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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 21, 2006
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Open Help Requests for All Makes and Models
Help Request Answers
1990 Acura Integra LS 1.8L Excessive Emissions VIN: JH4DA9357L
Car came in with failing emissions cruise only. (State readings .98 CO 138 PPM HC Idle 5.8% CO 190 PPM HC cruise) we ran test here on our dyno to verify states test results and we showed failing cruise and idle. Plugs were fouled, oil level low and dirty, air ...
1992 Acura Vigor LS 2.5L torque steer VIN: 1H4CC254XN
Hello all. We have this 92 Accura Vigor in here with a very noticeable torque steer to the right when accelerating. We replaced worn motor mounts & only slightly improved the problem. All other suspension bushings appear to be o.k. When power braking on the ho...
1997 Audi A4 1.8L steering column VIN: WAUBB88D5V
Steering column stuck. Wile replacing a steering rack because of a leak we ran into a problem. Our tech neglected to secure the lower part of the steering column as recommended in “Mitchell". Because of this the lower part of the column came out and we believe...
2003 Audi A4 1.8L driver's door locks VIN: WAUJC58E33
Hi, car came in with a inop. remote control in the two front door, rear are ok. Using the key in driver door, all locks work fine and alarm too, but with remote, front doors don't work included alarm. There are two codes uknowed for me codes 1811 and 1812 from...
1992 BMW 325i 2.5L Starter VIN: WBABB2310L
Total loss with this one. Rebuilt transmission/new converter with no known starter noises. Flywheel never removed. Starter now makes engagement noise. Have checked and rechecked bellhouseing bolts converter bolts/etc. Tried new starter which quieted down somew...
1995 BMW 325i 2.5L air bag light VIN: WBACB4322S
This vehicle came in from another shop with the complaint that after the other shop installed the ignition switch the air bag light stayed on. There is little information on the snap on shop key system for the restraint system. After looking at a schematic and...
1996 BMW 328is 2.8L compressor VIN: WBABG2323T
help please! i have a 1996 bmw 318is that the compressor will not activate.i have not replaced any thing at this point. the only thing i have done is evacuate & charge the system with 28 oz. of r134a. so i know the system is full.
1997 BMW 740i 4.4L No Start VIN: WBAGF8322W
bmw tech help car towed in shop crank no start tach shows no rmp found obd connector say no rmp car keeps on cranking after key out of start mode, info i found say thats normal intel rmp is found check crank sensor at computer looks very good cam sensor looks ... Trouble codes: P0340, P0505
1999 BMW 540i 4.4L Hesitation, Stall VIN: WBDAM6334X
Hi Techs Cust came in 2 weeks ago with hard start, idles rough stalls in mornings. Problem was the air tube between mass air and throttle body was split open.Car starts great and runs really well now cust says. The problem now is there is a hooting type noise...
1995 Buick LeSabre Custom 3.8L No Start, Stall VIN: 1G4HP52L85
this car sat on the side of road for sale and I towed it in repace the fuel and checked for pressur 35psi and jumps to 40 when the vac hose is off the regulater. It will start and run for 5 seconds but not stay running till you turn the key off and try to star...
1992 Chevrolet K2500 Cheyenne 5.7L speedo and tach VIN: 2GCFK29K1N
speedo and tach both bouncing in dash custer at idle speedo at idle says 65 to 85 mph tach goes to 5k rpm at idle replace dash panel twice already even cut tack wire at coil no change any help would be great
1993 Chevrolet S10 Blazer 4.3L No Start, Surge, Stall VIN: 1GHDT13W4P
this thing always has good fuel pressure even when it's actingup but it feels just like it doesn't it falls off under light load and surges badly. all the data egr map tps is good while it's acting up. the more you drive the worse it gets and the more sluggish...
1995 Chevrolet Camaro Z28 5.7L No Start, Stall VIN: 2G1FP22P9S
Hi, this vehicle was brought in with a complaint of intermittent stalling & no start. (supposedly it cranks ok) at first was unable to get it to act up but after an extended test drive it stalled while coming to a stop and indicated a code 48 maf circuit probl... Trouble codes: 48 (maf system fault)
1995 Chevrolet K1500 Cheyenne 5.7L oil pressure VIN: 1GCEK19KXS
This truck came into our shop with a leaking intake gasket. It was leaking oil on the front and rear of the engine. Not uncommon for a Chevy small block. The repair was made by another tech, and the engine ran fine, no noises or anything. The only thing is tha...
1997 Chevrolet Corvette 5.7L climate control VIN: 1G1YY22G9V
This corvette has split climate control for the driver and the passenger. The passenger side gets cold A/C , aprox. 55 to 60 degrees. The driver gets only aprox down to 75 to 80 degrees. The blend door for the driver side is not closed all the way. Whe...
1997 Chevrolet Monte Carlo LS 3.1L MIL Lamp on VIN: 2G1WW12M4V
i got a 1997 monte carlo with a mil on. checked exhaust for leaks and none were found visually checked egr valve,pintle,and passages no problem found.i can cammand the egr valve on and it works as designed. after replacement of egr valve and cleaning the passa... Trouble codes: P0401
1997 Chevrolet C1500 4.3L Mechanical VIN: 1GCEC14W6V
We just got this engine together and there is no wind in cylinder 5. I removed the valve cover and watched the rocker arms they are working good up and down, I then closed both valves and to a leak down test and the valves are seating, I dont have a clue on wh...
1998 Chevrolet Metro LSi 1.3L No Start VIN: 2C1MR5224W
Hi car will not start. has good spark. 2&4 flash noid light very bright. grounds power to pcm good. data looks good on scanner. has had 2 used pcms installed no help. cam and crank sensors good on lab scope. swapped cam and crank sensors and all '98 parts were...
1999 Chevrolet Express 2500 5.0L MIL Lamp on VIN: 1GCFG25M5X
Hello and help fellow techs, vehicle failed obdII emissions with a code p1345. We have replaced the cam sensor in the distributor, checked for timing chain play, and read scanner information which indicates that the is no more than one degree of difference in ... Trouble codes: P1345
2000 Chevrolet K2500 7.4L No Start VIN: 1GCGK23J45
This is my personal truck.I can let it set for days and it starts fine.Let truck set for 30 min to about four hours and it has aextened crank.Runs a little rough when started and has a small amount of black smoke.On one occurance when started hot cranked hard ...
1996 Chrysler Sebring LX 2.5L No Start, Poor Idle Quality, Cuts out, Stall VIN: 4L3AU52N5T
This is my first post on iatn so please bear with me. This car originally came in for a no start condition and according to the customer had been running poorly prior to the no start condition. We were able to start the car with the throttle at WOT but during ...
1992 Dodge Stealth 3.0L p/s pipes VIN: JB3BN74K8P
found leaking p/s pipes by front rack and pinion, got part numbers from the dealer,[...]. these parts are no longer available from the dealer. does anyone know of an aftermarket supplier or has anyone had to make these pipes? if i need to make ...
1996 Dodge B3500 5.9L No Start VIN: 2B7KB31Z5T
no start cond. no mil light when key on or cranking.no communication with ecm. all power and grounds appear ok.r and r ign. coil and pick up still same cond. could coil driver in ecm be at fault? any help would be apprieciated!
1997 Dodge Stratus ES 2.5L Reverse VIN: 1B3EJ56H8V
When we put this transmission in reverse, lightly accelerate and than release the throttle we hear a clunk and it acts like the brakes were temporary applied. Another way to descibe the problem is if the transmission would have two reverse gears and when you r...
1999 Dodge Intrepid 2.7L timing chain synch VIN: 2B3HD46RXX
I've work on this motor before... far between other vehicles, the last time I did this was about 2 1/2 years ago so i lost my edge. I am having trouble setting engine timing, what are the specific intructions for setting cam crank timing...as I understand the ...
1999 Dodge Durango SLT 5.9L hydraulic pump motor VIN: 1B4HS28Z4X
Even before replaced abs unit pump motor will run for a second or so and then shut off, when turning on the key. has anyone seen this and is it normal. Don't really remember it doing that on other durangos I've seen. Also this is a 4wal kelsey hayes system. Al...
2000 Dodge Intrepid 2.7L No Start VIN: 2B3HD46R1Y
hello techs,this dodge stalled at stop light.no crank-no start,no codes.backfires occasionally.found spark (good)on cyls. #2-#3 only.all scanner values check o.k.. pin-outs to all coils and coil res. test o.k. injector res. o.k. a.s.d. power o.k.. grounds test...
2004 Dodge Caravan SXT 3.3L Front beam VIN: 1D4GP45R24
Any info about this, if posible.
1993 Ford F-150 XL 5.0L ecm VIN: 1FTEX14N0P
This may sound like a strange request. I have a good custumer who loves this truck. The engine is worn out. he wants to put a reman in the truck but would like to know what all would need to be changes to put a 5.8l in instead of another 5.0l I believe most ev...
1994 Ford Crown Victoria LX 4.6L Idle Increases VIN: 2FALP74W2R
Customer states when car comes to stop and idling in gear it will intermittantly idle up about 150-200 rpm. It may happen many times a day or not for 2-3 days. Code 634 MLP sensor voltage high keeps coming back after car has acted up and I have seen voltage at... Trouble codes: 634 (Manual Lever Position Voltage High)
1994 Ford Explorer XL 4.0L Need to time CMP
I am changing the head gaskets on this vehicle, and like a dingbat I pulled out the cam sensor to change the o-ring but didnt note the position of the rotor. The top of it has a plastic see-through window, and the crescent shaped rotor is painted red on one si...
1994 Ford Taurus GL 3.8L No Start, Poor Idle Quality, Hesitation, MIL Lamp on, extremely rich VIN: 1FALP5245R
Will not start cold. Have injector pulse and good spark. Spray with carb cleaner will then crank and run, however it runs extremely rich. Will crank after that until cold. Check engine light is on. Cannot get any access to the computer at all. Coolant fan runs...
1996 Ford Windstar GL 3.8L lifters VIN: 2FMDA5144T
hello all got a windstar lifters dont seem to be getting oil. if you look through oil fill oil barely coming up from push rods which were all inspected and free of any restrictions. replaced lifters yesterday 7 were collapsed. all went well new ones not rattli...
1997 Ford E-250 Econoline 5.4L Cuts out, Misfire VIN: 1FTFE24L8V
the van came in for a tune up. because the customer sad it was missfiring under load . changed plugs /fuel filter/pcv valve and two ignition coils also replaced intake gasket because of coolant leak at left front corner .the van still has a miss under load .sc...
1997 Ford F-350 XL 7.3L pcm,glow plugs VIN: 1FTJW36F5V
Hello fellow technicians, thank you for your time. This truck wont start for us. The customer was leaving a stop light and it just flat died. Will not start, no glow plug illumination, no communication with PCM...(tried 2 scanners)Powers and grounds are ok at...
1997 Ford Aerostar XLT 4WD 4.0L No Start VIN: 1FTDA41X8V
Hi everyone; This Aerostar has an intermitent no start problem when cold. It seems the colder it is, the worse it is. Our temperatures have been from 20 to -10, when the problem has showed up. The engine turns over fine. There is no spark to the plugs. It has...
1997 Ford F-150 Lariat 4.6L Cooling Systems VIN: 1FTDX1765V
hi fello techs : costomer brought in vehicle because he was loosing water .on inspection of the vehicle i realise that the water and oil was mixing,i can also see some coolant between the inlet manifold and the valve cover ,my question is : is this a common p...
1999 Ford Windstar SE 3.8L coolant VIN: 2FMZA5243X
wondering if anyone has had experience with oil in the coolant on windstars. i work for a ford dealer but have never had the pleasure of working one for this concern. there is a lack of heat which i felt suggested head gaskets but i have never seen coolant and...
1999 Ford Taurus SE 3.0L MIL Lamp on VIN: 1FAFP53S8X
hello all, this beast came in 2/6/06 for p1406. performed testing to find dpfe sensor at fault. readings were good and did 10 mile roadtest with customer (he had to go). two weeks later light back on, same code. double checked everything, performed egr inducti... Trouble codes: P1401 (egr flow problem), P0401 (egr flow problem)
1999 Ford F-350 Super Duty Lariat 7.3L MIL Lamp on VIN: 1FTSW31F1X
This code seems to return soon after start up even with the truck warmed up and the glow plug system not cycling on due to being at operating temp already. (which i believe should not be posable) I would guess that the pcm could generate this as a false code b... Trouble codes: P1395
2000 Ford F-150 4.2L MIL Lamp on VIN: IFTZX1727Y
Truck came in with mill light on two codes pulled p0171 and p0174. noted small intake leak and repaired. Cleared codes and drove truck. Light comes back on after 20 - 50 miles. Live data looks good on all 4 o2 sensors. I must be over looking something but not ... Trouble codes: P0171 (system lean b1), P0174 (system lean b2)
2000 Ford F-250 Super Duty Lariat 6.8L steering VIN: 1FTNX21S6Y
steering has a hard spot when turnning left and only gets tight when you are at the last half turn of the steerring wheel until full lock position . the only test not performed is flow test for pump. all tsbs have been checked and performed. ( ball joint test ...
2001 Ford Ranger XL 2.5L MIL Lamp on VIN: 1FTYR10C71
inspected all fues's and all connection to engine and harness' all looks to be working. any help would be greatful. don't know that much about ford's
1994 GMC G2500 Vandura 5.7L Poor Idle Quality VIN: 1GKEG25KOS
Thanks for your time. The van idles at about 1800 rpm. The scanner shows iac position at 150, as it wrms up it goes to about 99. I removed the iac valve and when I plug the hole with my finger, the idle drops to 700 rpm. The iac plunger is observed to move whe...
2004 GMC Envoy XL SLE 5.3L engine VIN: 1GKET16P54
Good afternoon to all. I have this 04 Envoy that has been to two GM dealers for a PO300. This truck has a obvious misfire at idle, worse when in gear. It seems to drive down the road OK. With scanner hooked up, I can watch cyl. no. 4 rack up the misfires. The ...
1990 Honda Civic LX 1.5L battery VIN: 1HGED3552L
This car is weird. the car came in because of a dead battery. battery has been charged and the electrical startering and charging was tested. I use a device called Midtronics Head Duty electrical system analyzer the micro 700. battery tests good, starter tests...
2000 Honda Civic LX 1.6L No Start VIN: 1HGEJ6672Y
flooded honda, car came on tow truck died on road, plugs worn to the nubs cyl's washed out with gas. we checked spark (ok) so we dried out the cyl's put a small amount of atf in and installed new ngk plugs but nothing. removed the plugs and they where wet with...
2003 Honda CR-V EX 2.4L Hesitation VIN: SHSRD78833
Hi, first off any possible response from anyone is already appreciated, this is my first time using techmail, just signed up with iatn last week (and love it already) - I've looked at this 2003 CRV several times, a friend of our service manager, and cannot for... Trouble codes: P1259 (VTEC System Malfunction)
2000 Infiniti I30 3.0L hard start VIN: JNKCA31A3Y
This car came in with a hard start cold. Took the fuel pressure and it seemed normal,35-45 engine running. but it bleeds of immediatly after you shut it off.When cold it takes forever for the pressure to build up, even with the new fuel pump. My question is, i...
1996 Isuzu N NQR 3.9L no up shifts VIN: JALC4B1K6T
truck has 1st gear only . ihave no tech data on this vehicle . trans light on dash will come at times cannot retrieve codes due to no tech data for a connecter or jump method. a isuzu truck dealer tech says 9 out of 10 times its usually a spool valve in valve ...
2003 Jaguar S-Type 3.0L rack and pinion VIN: SAJGA01T33
Hi guys,when turning the car slowly there is a groaning noise from the steering wheel inside the car,on the hoist you can feel it from the steering shaft to rack pinion,the noise is telegraphed from the rack and pinion up to the steering wheel,has anyone came ...
2003 Jeep Grand Cherokee Laredo 4.7L Excessive Emissions, No Start, Poor Idle Quality, Cuts out, Stall VIN: 1J4GW48N93
Hi folks, Wondering if anyone has seen similar situation with this Cherokee. Its the 4.7l and it came in as a crank-no start. A shot of ether fired it so I figured it was a fuel issue but pressure is good at 50psi. Got it so it would start and chug and stall. ...
2000 Land Rover Discovery Series II 4.0L No Start VIN: SALTY1549Y
vehicle came in for an intermittent stall after runiing 10-15 minutes, code for crankshaft sensor present, test sensor, resistance was 800 ohms. replaced sensor with new one and vehicle will not start. there is no fuel pressure, spark or injector pulse no code...
1989 Mazda 929 3.0L fuel/ ignition VIN: JM1HC2213K
Hello you Japanese Techs out there. I have this Mazda 929 here that just starts up intermittenly. Fuel and spark seems to be ok and its hard to find the problem when it keeps starting up. The car seems to not start up more if you let it sit over night, but no...
1993 Mazda 626 DX 2.0L Poor Idle Quality, Cuts out, Misfire, hard start VIN: A7P5125568
thanks for your help in advance.i have a mazda 626 4 cyl that came in with a blown head gasket.i replaced the head gasket, timing belt and water pump. sent head to be tested.was told ok. after installation, car would surge at idle and misfire and wil not idle....
1978 Mercedes-Benz 300D 3.0L cc blower motor VIN: 1231301209
Hello there. This vehicle originally came in with a blower that would not shut off. all signs pointed to a bad control panel so it was replaced. now the problem is a little different.at first,the blower will only work in defrost and will shut off just fine. af...
1994 Mercedes-Benz E320 3.2L MIL Lamp on VIN: WDBEA32EXR
The car came in with the "check Eng" light on all the time. The customer has driven the car like this for months because it seems to run fine. We started off with codes 20 and 064 (CKP Signal) but only the 20 keeps coming back after three or four drives. My te... Trouble codes: DM20 (speed signal)
2001 Mercedes-Benz S500 Guard 5.0L ABC system VIN: WDBNG75JX1
Car came in with the abc light on. Pulled codes,C1525 (critical FR car height), C1526 (supply pressure), Did visual found out that the pump was leaking. replaced pump,reset the light or codes, test drove light came back on, this time only c1525 (system pressur...
1995 Mercury Grand Marquis LS 4.6L Unknown VIN: 2MELM75W4S
this trans buzzes ,only in neutral and hot.do these have a common fault? trans has worked good for me but customer says sometimes its like neutral for a few seconds,after coming to a stop.
2000 Mitsubishi Galant ES 2.4L Heater core VIN: 4A3AA46G8Y
This car is from a used car dealer in town. It was obvious that when they received the car, the dash had been apart. It came to us with a leaky heater core. The dealer supplied us with a OE heater core which we installed. It came back within about 6 months wit...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1993 BMW 318i 1.8L Convertible VIN: 123ET83264
thanks to the five people that responded, unfortunatly the vehicle has not returned for further testing or repairs. If or when customer returns i shall add comments. Thanks again. Kurt
1995 BMW 540i 4.0L Cuts out VIN: WBAHE6321S
thanks to all for your reply's.. turns out there is a switch next to the shifter indicator on the console with 'A' and 'M' (auto or manual?). Anywho, we took this switch out and found loads of dried up sticky pop all over it... after cleaning the switch, probl... Trouble codes: 1221 (oxygen sensor circuit).
1996 BMW 328i 2.8L heat VIN: WBABK8326T
thanks, everyone. brent, and john nailed it. the rebuilt unit did not have the fan for the temp sensor installed and i did not see it on the original so when i returned the core, there went the fan. luckily i was able to get the rebuilder to send me a replacem...
1997 BMW 318is 1.9L cold compression VIN: WBABE8322V
Finally this one is out of here.We removed the cylinder head and removed the intake valves.there was no carbon whatsoever on any of the valves because I had done a carbon clean previously but on every second valve I had a black vertical line approx a millimete...
1986 Chevrolet Corvette 5.7L ping VIN: 1G1YY6786G
Thank you all for your help. Ifound the ECM was commanding the timing to 42 deg.btdc at all times causing the ping. I replaced the ECM and computed timing droped to 24deg.btdc at idle and would retard with knock signal. Thanks again for all your help.
2000 Chevrolet Impala LS 3.8L Take off in 1st gear VIN: 2G1WH55K5Y
This being my own car will probably get put off until it fails. Thanks for all the responses. Almost everyone tells me that the pressure control valve is the culprit. I have also been told to go ahead and have my tranny shop go into the trans based on the mile...
2000 Chevrolet Monte Carlo SS 3.8L torque convertor clutch VIN: 2G1WX12K9Y
I talked to my rebuilder today and he informed me that they did install a sonnaxx tcc regulator valve kit, and a new tcc pwm solenoid also. I want to thank James who hit it on the head by doing a reprogram. I drove the car this am and monitored the vss, tcc %,...
2002 Chevrolet Astro 4.3L Fuel gauge VIN: 1GCDM19X52
Thanks for all of the replies. I put in a new fuel sending unit and everything is great.. I bench tested the old one. The contacts are worn down real bad causing the fluctuation.
2002 Chevrolet Trailblazer LS 4.2L throttle VIN: 1GNDT13S02
Sorry for the delay, we are not positive this one is fixed.When customer brought the truck back we did all the service per responces. Wire harness under brake booster OK. Heated PCM with heat gun no failure. Rechecked values one sensor increases while the othe... Trouble codes: P1221, P1271, P1635.
2000 Chrysler Concorde LX 2.7L MIL Lamp on VIN: 2C3HD46RXY
sent new pcm with customer to have dodge install and reprogram. have not heard back from customer thanks for the help Trouble codes: 0601 (internal cpu check digit error).
2001 Chrysler PT Cruiser 2.4L No Start VIN: 3C8FY4BB21
Thanks to all who replied. This vehicle was sent to the dealer since we do not have computer flash capabilities. It appears that the new modules all need to read the same VIN.
1992 Dodge Caravan SE 3.3L Cuts out, Misfire, Lacks power VIN: 1B4GH44RON
Customer declined any further repairs. Further watching the ckp sensor waveform I saw pulses that were either missing or very low in amplitude compared to others in same time frame. I am convinced there must be a problem with flywheel, although I'll never know...
1998 Dodge Avenger 2.5L No Start VIN: 4B3AU42N8W
Thanks for everyone's help, tech suggested bad pcm cause of no aldl data, pcm circuit board damaged due to overcharging or boosting look for burn marks on board of ecm or flex board to see if it acts up. Fix was a simple cap and rotor, caught it on a wet test,...
2002 Dodge Ram 1500 SLT 4.7L Speedometer VIN: 3D7HA18N22
Thanks to Jerry, Chris and Alfred who were all right on the money. Silly us, the fix was right over our shoulders. We were so stuck on the outputs from the transmission that we failed to note the speedo gets its input from the differential sensor. When we pull...
1993 Ford F-350 XL 7.3L engine pushrod VIN: A54A408121
Borescopes and friends are right on par with pretty girls and fast cars - Life is so much [...] enjoyable with both! (I have a beautiful wife and two pretty daughters). And this dilemma of the lost pushrod proved it. First, a summary of the responses: I had a f...
1996 Ford Explorer Eddie Bauer 4.0L Misfire, MIL Lamp on VIN: 1FMDU34X2T
Well this truck is finally fixed. I truely couldn't see the forest for the trees. After checking all the things suggested by all that helped, I still hadn't found the problem and decided to start over at the beginning. I'm my own worst enemy sometimes. It turn... Trouble codes: P0304 (Cyl. 4 Missfire).
1996 Ford F-250 XL 7.5L 2-3 shift VIN: 1FTHW26G9T
I found the problem with this vehicle. The ground wire from the pcm to shift solenoid 1 was shorted to ground. In first, and second gear this solenoid was on so it didn't affect these gears. But third gear was when the pcm took the ground away and it couldn't ...
1997 Ford Expedition Eddie Bauer 5.4L code VIN: 1FMFU18L7V
most of you said about the misfire on number 10 when its actually just an 8 cylinder motor, that it must be a programming problem. Not totally sure if it is, but that's what I believe since the expedition is running fine. Thanks for the help. Trouble codes: P0310.
1998 Ford F-150 Lariat 4.6L Misfire VIN: 1FTZX18W4W
thanks again everyone vehicle left yesterday so far so good i guess time will tell if it's totaly repaired.i beleive it should be fine now. Trouble codes: P0303.
2002 Ford Ranger Edge 3.0L 1-2 shift and overdrive VIN: 1FTYR14U82
I want to thank everyone who responded to my question on this ford ranger .The problem was the gasket was blown on the valvebody of the transmission above the solenoids .I orderd a new gasket with the metal plate from ford and replaced it and everything is wor...
2002 Ford F-350 Super Duty Lariat 7.3L Poor Idle Quality, Misfire VIN: 1FTWW32F12
Thanks for the help guys. I should have done more testing before inquiring and this was reflected in the replys. I just saw the metal and thought someone could give me a quick answer. I am also a 'rookie' when it comes to diesels. But I learned a lot and like ...
2002 Ford Windstar SE Sport 3.8L Hesitation, Surge, Cuts out, Stall VIN: 2FMZA57412
This vehicle is finally fixed and out of the door. Most of the responses I got was about maf sensor. I had cleaned it before I placed the request on help line. I also got other tips which suggested exhaust blockage, TPS, Fuel pressure regulator full of oil, ... Trouble codes: P0171, P0174.
2004 Ford Crown Victoria 4.6L Misfire, MIL Lamp on VIN: 2FAFP71W44
sorry it took so long to reply back about this car. thanks to all who repied. after trying a new injector in #6, switching plugs & coils to others holes, cleaning injection system with motovac cleaner, pulling v/cover,checking vacuum,steady @18 in. @idle, swit... Trouble codes: P0306, P0316, P1000.
1998 GMC Jimmy Envoy 4.3L Heater System VIN: 1GKDT13W3W
Many thanks to all that replied. It seems there are two systemic problems with these cooling systems - Dexcool clogging the system and difficulty purging the air from the cooling system. Not only was the use of a cooling system evac tool a recurring theme, but...
1999 GMC K2500 Sierra SLE 5.7L Poor Idle Quality, Surge VIN: 1GTGK24R3X
Customer picked up vehicle and took to original shop work had been performed. We did clean throttle body, reprogrammed IAC motor(which had been replaced previously by another shop)...vehicle ran much better, but still acted up.
1999 Hyundai Sonata 2.4L No Start, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: KMHWF25S0X
first tanks to all replies ,ok first yook up the cars with gas gage 40psi ,vacum gage 19in ,load and cam sensor pin 1 and 3 (seal beam ) nice bright light )scope chanel a on cam sensor signal and ,osciloscope chanel b crank sensor strat the engine and let the ... Trouble codes: P00, 340 (camshatf signal mal always code appear before cut out), P00, 102 (air flow singnal low input code apperar some time with cam sensor above po 340), P00, 300 (miss fire).
1999 Isuzu Rodeo LS 3.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: 4S2CK58W5X
Hello As pretty much every one of you told me the intake gaskets were leaking causing this. We replaced gaskets and vehicle ran great. Thanks for all of the help once again Trouble codes: P0171 (System Too Lean Bank 1), P0174 (System Too Lean Bank 2), P0303 (Misfire 3 cyl), P1640 (Quad Driver a fault).
1990 Jeep Wrangler 4.2L Engine VIN: 2J4FY29T2L
With the assistance of folks in the techmail, it has been determined that the engine was in fact a Jeep 258. The customer was very much led to believe it was not. There were manufacturing plant changes and other factors that led us to really question the engin...
1996 Jeep Cherokee Classic 4.0L No Start VIN: 1J4FJ68S2T
Hello all, First I would like to thank everybody for their responses. I ended up replacing the ECM to restore reference voltage and also replaced the crank sensor to eliminate a possible intermittent short. The crank sensor did not show any problems at the tim...
2000 Jeep Wrangler Sport 4.0L CEL on VIN: 1J4FA49S0Y
Like I said I was going to do, I pulled the battery, seperated the wiring & cleaned it all. I saw no bare wiring, but did find slight blistering of the insulation from the battery acid. Anyway, I cleaned it all up, taped it, and it's been fine ever since. I ca... Trouble codes: P0743.
2001 Jeep Grand Cherokee Laredo 4.0L Transmission VIN: 1J4GX48S91
Thanks everyone for all your good input. We did some further testing and are convinced it is an internal transmission issue. The customer needed the vehicle and decided that she would like to keep driving it the way it is for now. We did do a total fluid filte...
1998 Mercedes-Benz SL500 5.0L Oil Pressure VIN: WDBFA67F5W
An overwhelming number of people suggested a camshaft oiler problem. It appears that the oiler tube ends pop out and couse loss of oil pressure.When I discussed this with the customer they declined further investigation and repair.
2000 Mercury Mystique GS 2.5L cooling fans always on VIN: IMEFM66L1Y
I rechecked connection to sensor and ohm tested the sensor again. cant find any broken wires. tap tested the relay. The cooling fans still go on when started and if you turn the key off the fans stay off and temp reads normal,then if you start again the fans g...
2002 Mercury Sable LS Premium 3.0L MIL Lamp on VIN: 1MEHM55S82
Thanks to all that helped. We took apart intake and got to the PCV valve. Looked good, shaked it, sound good. Replace PCV with OEM part and found idle went down, and customer has been driving this vehicle for two weeks and no check engine light. It might be ha... Trouble codes: 1506 (Idle Air Control IAC - over-speed error).
1991 Mitsubishi 3000GT VR-4 3.0L Cuts out VIN: JA3XE74C1M
Well, as many of you replied the problem seems to still be the computer. I tried a computer out of another 3000gt and the problem went away. I also noticed that the computer that the last shop put in is for a Fed. emissions vehicle and this one is a California...
1996 Mitsubishi 3000GT 3.0L Computer Memory VIN: JA3AM84JOT
Thanks to everyone that replyed. As it turns out, there was a service bulletin involving just this problem and a RECALL by Mitsubishi involving this problem. Recall EMR-02-001, Replacing the PCM due to the PCM telling the scanner the MIL is commanded ON when i...
1995 Nissan Pathfinder LE 3.0L No Start, Poor Idle Quality, Cuts out, Stall VIN: JM8HD17Y4S
Good morning everyone and thank you to those who replied to this post. I should have learned this along time ago, Never assume! This truck did just have a fuel pump installed at another shop. When they replaced the pump they pinched the black and white wire at...
1996 Nissan Sentra 1.6L MIL Lamp on VIN: 1W4AB41DXT
Thank you to all who replied. The low ported vacuum was caused by the throttle plate srew being unsrewed allowing the throttle plate to close completly. After correcting this the vacuum would jump to 10 to 15 on snap test. Also the transducer was frozen but it... Trouble codes: P0400.
1996 Nissan Pickup SE 2.4L readiness test VIN: 1N6SD16SXT
Thanks to those who have replied, I neede to close this post.the customer has his truck at the dealer. Its confusing them also and I believe they are trying to get a computer. I do know all oxygen sensors tested good for me and the dealer. So for now we ar...
1987 Oldsmobile Cutlass Ciera LS 2.8L Excessive Emissions, Poor Idle Quality, Surge, Poor Fuel Economy VIN: 2G3AJ51W1H
ok after reading all replies, i came to the conclusion i had a vac. leak somewhere. since i dont have a smoke machine, i ended up re-zeroing tps, getting throttle % some what normal, then staring the engine only to have out of control high idle, blocked off tb... Trouble codes: 44 (lean exhaust), 33 (map signal high).
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