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Prev Professional Automotive Repair Technical Discussions for March 19, 2008
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Open Help Requests for All Makes and Models
Help Request Answers
2005 Acura TL 3.2L low beam VIN: 19UUA66275
thanks in advance for any help. this acura came in for rt low beam inop. replaced hid bulb, still inop. according to alldata, if there is power and ground to the inverter w/the headlamps "on", and the new low beam does not correct the problem, replace the igni...
2002 Audi A4 1.8L spark VIN: WAULC68E62
This car is out of my usual area of expertise, which is Jaguar. The owner is my neighbor which is why I let the car be towed to my shop. It was parked while running normally, but when the driver returned to start the car, she noticed smoke coming from under th...
2001 BMW 325Ci 2.5L abs VIN: WBABS33481
Hello fellow techs. I have a 2001 BMW 325Ci that was brought in for an ABS/Traction Control Light on. Upon scanning the system, I found three fault codes stored in memory. 5E3C- Rotation Rate Signal; 5E38- Rotation Rate Sensor ckt fault; 5E26- Control Unit Vo...
2003 BMW 330xi 3.0L left headlight VIN: WBAEW53423
sometimes headlight will turn on sometimes it won't///swap bulb to other side works fine on other side//someone said maybe headlamp module//does it need to be programmed.
1995 Buick Park Avenue 3.8L Instrument cluster & HVAC VIN: 1G4CW52K5S
When I got the vehicle in I put my fault finder in the circuit and found nothing. Installed new fuse and road tested. Never did feel an engine miss. Everything is still working. This fuse controls the instrument cluster, door chime & info center according to t...
1980 Cadillac Seville 5.7L horn inop VIN: 6S698AE690
i need some help finding the horn relay, i have no older books , all wiring seems in place and i cant find the relay under the hood. thanx in advance for any help!!
2000 Cadillac DeVille 4.6L controls VIN: 1G6KD54Y7Y
Hi guys hope you can help. I have 2000 Deville with no heat coming out of the pass. or rear vents.Stays cold all the time.Drivers side works fine, I scanned with snap-on 2500, but can't access the hvac computer.I have a feeling its an actuator based on what i'...
2004 Cadillac Escalade EXT 6.0L Sound System VIN: GYEK62N44G
Hi everybody, i have sent a post before about this car regarding the sound system, there was no sound so i ordered a new sound amplifier and fixed it, now there is sound from the music system but only from the right front speaker, left front and both rear spea...
1992 Chevrolet Corvette 5.7L No Start VIN: 1G1YY23P7N
This car was towed into our shop and would not start, cranks fine,this car has no communication with scan tools, no spark, have tried a new ignition module and new distributor and still have no spark have checked all power and grounds at the ECM
1993 Chevrolet Corsica LT 3.1L Poor Idle Quality, Hesitation VIN: 1G1LT553T1
Good ol GM. This is our shop car and we are in dire need of some help. At start up she runs fine. Great in fact, but after about five minutes it begins to idle real rough and hesitates. Checked over injectors and found a bad injector, replaced and this fixed i...
1994 Chevrolet Astro 4.3L Hesitation VIN: 1GLDM15Z5R
This Astro Came In Today With Complaint Of Hesitation/Bucking Under Acceleration, Check Engine Light On.Has Code 43 ESC Module Or Sensor Circuit Problem.When I Looked Up In Alldata They Just Say To Test Knock Sensors (Snap On Troubleshooter Says The Same Thing... Trouble codes: 43 (esc module or sensor circuit problem)
1995 Chevrolet Monte Carlo Z34 3.4L timing belt VIN: 2G1WX12X4S
This car came to us about 5k miles ago w/ a new t-belt, tensioner pulley and both idlers new, not running. Engine was out of time. Re timed and then found a non sealing valve. Did the heads and reinstalled w/ new parts. Re-used the Dayco brand parts listed abo...
1996 Chevrolet C1500 Cheyenne 5.0L Control Head VIN: 1GCEC19M0T
Replaced this control head twice over the past 6 months. Each time the blower will not operate. New head takes care of customer complaint. No signal from head to relay to close. Did not find any related posts in archives. What should I look for in harness to f...
1999 Chevrolet K1500 Suburban 5.7L Misfire VIN: 3GNFK16R9X
a mechanic friend replaced lower intake gasket and water pump and now is misfiring on cylinder #8. tried different plug wire same problem also checked with intake cleaner for vacuum leak around plenum and intake. he said he did have the poppets out of the hole...
2000 Chevrolet Impala 3.4L Fuel Gauge VIN: 2G1WF55E3Y
This one has got me stumped. Hope someone can help. Fuel gauge reads steady and accurate with the key on or vehicle running in the shop. If you begin to drive(forward). The fuel gauge will rise to about 3/4 of a tank and bounce around. Sometimes if you are at ...
2001 Chevrolet Impala 3.4L Hesitation, Poor Fuel Economy VIN: 2GIWF52E21
Hello this is my own vehicle the problem on this car, every time that I step on the gas pedal my car does not respond like it should all I heard is like a buzz in the intake (throttle) and it takes me a while to pick up speed does not misfire this morning fina... Trouble codes: P0404 (egr open position performance)
2005 Chevrolet Impala 3.4L srs lamp on VIN: 2G1WF52E35
B0022 is low resistance on stage one drivers air bag ckt. DVOM test shows same resistance on both stage 1 and two with no shorts between as suggested. We had a2004 on hand so I swapped drivers bags and the code B0022 stayed with the 2005. Disconecting restrain...
1999 Chrysler Concorde 3.2L cruise control VIN: C3HD46J5XH
When ignition switch is turned on lots of idiot lights come on except the cruise light. I cant find anything in Mitchell saying it needs the light to function. I checked vacuum to the servo, physical connection to the throttle, fuse, stop light switch, I check...
2001 Chrysler PT Cruiser Touring 2.4L Electronic VIN: 3C4FY4BC21
Hi tech i need help towed in no shift ,found no code check over data input sensor 0 rpm output 0 rpm possible open wire at input sensor unable to locate the problem with all data .tried other input sensor still 0 rpm input .thank you for reply.
2002 Chrysler Sebring LX 2.7L Excessive Emissions, Stall, Poor Fuel Economy, MIL Lamp on VIN: 1C3EL46R02
O.k. this one is driveing me crazy. Customer just purchased. Called said was getting lower gas millage then expected and check engine light came on and went off on a 40 mile trip. On his way to the shop on scheduled day it died (lost all power and motor quit) ... Trouble codes: 172 (rear bank fuel system rich), 175 (front bank fuel system rich)
1996 Dodge Caravan SE 3.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1B4GP45R7T
Hello, This Caravan has me stumped. Vehicle was towed in. Customer said engine stalled when coming to a stop. Engine will crank, tries to run for a few seconds if you hold the throttle slightly open, and then continues to crank but won't try to run. Vehicle ha... Trouble codes: 43 (Ignition coil 2)
1998 Dodge Intrepid ES 3.2L Starting VIN: 2B3HD56J8W
vehicle came in w/ blower motor stuck on high this in turn fried the bcm as well as the blower module.we replaced the blower module as well as the bcm.i was told it was a plug and play module.we installed the module and the vehicle tried to crank twice then th...
2000 Dodge Intrepid R/T 3.5L Cooling Systems VIN: 2B3HD76VXY
I just wanted to follow up with the problem, I posted before. Finally the car is fixed. As I stated, the heads were completely clogged with stop leak, as was the heater core. After running cooling system cleaner in it for an extensive time, I flushed and backf...
2002 Dodge Ram 1500 SLT 5.9L Misfire VIN: 1D7HA16ZX2
This truck has a consistent mis-fire in cyl. #1 we changed the plugs cap rotor and wires, it was still there. The injectors ohmed out good so we switched the injector from cyl #3 with #1 and the mis-fire did not change. The compression is 150lbs and we de-carb... Trouble codes: P0301, P0305
1989 Ford Bronco Custom 5.0L Excessive Emissions, Poor Fuel Economy VIN: 1FMEU15NXK
cant get co readings to come down 2.1 to 2.8 % at idle , has new oxygen sensor tryed used map sensor, coolant sensor testing within range,fuel pressure 38 psi and doesn't appear to stick or leak and replaced computer was getting 4.0 volts out of signal wire fr...
1994 Ford Bronco Eddie Bauer 5.0L No Start, Stall VIN: 1FMEU15N5R
Hey guys, we have been dealing with the 95 Bronco in relation to this problem for the last few months. We have never been able to fully duplicate the issue the customer is having with it, i.e. we can not get it to die while driving. We have experienced the cra...
1995 Ford Aspire 1.3L No Start VIN: KNJLT06HXS
Lady said car ran fine, shut it off restarted ran rough. next tine would not start. Came to me dead. Checked had no spark. Replaced cracked rotor and dist cap. Have spark. Still no start. Compession 125 fuel pressure 45-50 lbs Injectors pulse noid light Has ...
1996 Ford F-150 Eddie Bauer 5.0L Stall, MIL Lamp on VIN: 1FTEF15N6T
The customer drove the truck here and said he could be going down the road and the engine would suddenly cut off. He said the first few times this happened he could switch the fuel tanks and it would eventually start up (maybe just coincedence?).Then it got to... Trouble codes: P0320 (Ignition engine speed PIP input circuit malfunction)
1997 Ford Ranger Splash 3.0L Poor Idle Quality, Poor Fuel Economy, Rough engine VIN: 1FTCR10U3V
The concern is high idle - 900-1000 rpm, rough idle (?) and only 6 mpg fuel economy. While idling, rpm's are 880 to 910 and the engine has a very light, erratic shake or roughness to it. No codes of any type, oxygens sensors are switching great. When starting ...
1997 Ford Explorer XL 4.0L PCM - Maxi fuse #2 VIN: 4M2DU55P5V
All tests in shop are fine. Very intermittent and we cant put our finger on what conditions cause this. Maxi fuse #2 which is the PCM fuse keeps blowing which will cause the truck to stall and not restart. The fuse has been replaced to blow out again in 15 mi...
1998 Ford Crown Victoria 4.6L MIL Lamp on VIN: 2FAEP71WIW
checked voltage & ohms at purge valve all readings look good checked voltage at pcm good could not smoke evap system don't have smoke machine mil lamp keeps coming on with codes p0443 & p1409 Trouble codes: P0443, P1409
1999 Ford F-250 Super Duty Lariat 7.3L No Start VIN: 1FTNX21F5X
1999 f250 deisel that will blow the 20 amp fuse for the control side of the fuel pump relay, pcm relay, pressure regulator, glow plug relay and 2 relays in the tranny. it is fuse #24 and will blow intermittantly. may blow on key on or has been running for 20 p...
2000 Ford F-250 Super Duty Lariat 7.3L No Start VIN: 1FTNW20F8Y
Truck came inrunning horribly in parking lot... customer came inside and truck died outside... unable to restart... checked glow plug circuit and checked out ok.. checked oil level in high pressure oil resovior and was 3/4 of an inch from the top... tried to s... Trouble codes: P1670
2001 Ford Excursion Limited 7.3L Hesitation, BOG VIN: 1FMSU43F41
hello ford diesel techs...i have a 2001 ford excursion 7.3l w/california emissions. has hesitation/bog when cold (and only when cold). customer recently replaced turbo w/oem turbo for oil consumption/leak. there is no m.i.l. on dash (someone removed it). pulle... Trouble codes: P0541, P0677, P0618
2001 Ford Explorer Sport Trac 4.0L Brake System VIN: 1FMZU67E31
Two different good techs have stabbed at this already with new hardware, shoes & drums and I'm thinking it's likely a 'proportioning' issue. We've installed a new master cyl. which came with a hydraulic valve of some sort but still have very 'touchy' brakes. T...
2005 Ford F-150 King Ranch 5.4L Poor Idle Quality, Hesitation VIN: 1FTPW12545
Hello, I have a f150 that has a slight rough idle and customer states that vehicle hesitates upon acceleration for a second after making underpass u-turn and sometimes when passing at hwy speeds. I have not been able to duplicate hesitation when accelerating o...
2002 GMC Safari SLE 4.3L MIL Lamp on VIN: 1GKEL19X02
2000 miles ago engine had a knocking from the oil pump when cold, found a sludge residue in bottom of pan and radiator was low on coolant. (oil is changed every 3000 miles and fluid checked religiously since new) at that time oil pump was replaced along with h... Trouble codes: P0300 (random missfire), P0335 (testing and results)
2000 Honda Odyssey LX 3.5L MIL Lamp on VIN: 2HKRL1862Y
Van came in with P0172 code (Fuel Metering Too Rich), with no driveability complaints or symptoms other than MIL on. Ran the diagnostic flowchart, which ended with adjusting the valves. The flowchart says that if this doesn't fix the problem, to replace the in... Trouble codes: P0172 (fuel metering too rich)
2004 Hyundai Santa Fe GLS 3.5L rf cv axle VIN: KM8SC73E14
this vehicle came in with the pinion shaft in the rear differential sheered, upon replacement we found that the transmission was slipping badly. we replaced the transmission with a used unit. the customer drove the truck for over a week and called one morning ...
1995 Infiniti Q45 A 4.5L Stall VIN: JNKNG01D8S
Customer complaint is that this Q45 will stall when put in gear to back out of garage in morning. Also customer says that the car will stall at stop lights when the car is warm or cold. The condition is VERY intermittent and I have not been able to duplicate t...
2000 Isuzu Trooper LS 3.5L Surge, Stall, MIL Lamp on VIN: JACDS58XOY
Hi, all. Customer normally uses vehicle for close local driving, within 25 miles, and has not been a problem. Recently her husband has to go to Houston weekly for cancer treatment, and it is on these 150 mile one way trips that it acts up, running at least a c... Trouble codes: P0420, P0430, P0137, P0157
1997 Jaguar XK8 4.0L oil pressure VIN: SAJGX274XV
I, replace heads and chains, engine starts and ran great, after engine warmup oil pressure drops to zero ,i use 5w30 oil.If increase rpm by 200 the oil pressure gose back up.Needs some help.
1994 Jeep Grand Cherokee Limited 5.2L Pings VIN: 1J4GZ78Y5R
Customer came in asking for us to check for pinging. He had it at another shop and they replaced the Cat. I checked the EGR system, I checked for internal vac leaks, I checked the heat range on the spark plugs, I checked the routing on the spark plug wires. Th...
1999 Jeep Grand Cherokee Laredo 4.0L No Start VIN: 1J4GW58S2X
Jeep towed in for no start---Found gas gage and battery gage not working when key turned on---Found ASD relay buzzing with key on---no check engine light and not able to communicate. If we jump the ASD relay 30 to 87, the jeep will start and stay running, we t...
2002 Jeep Grand Cherokee Laredo 4.0L Mechanical VIN: 1J4GX48502
Hey y'all, this Jeep was hauled in yesterday, but before I ask any questions, I figure you should hear what I was told first. This man's wife was driving down the highway doing about 60 or so when their teenagers got into a scuffle in the back seat. Somehow, ...
1992 Lexus SC400 4.0L all electrical VIN: JT8UZ30C5N
intermittently with the lights on, heater on, radio on, turn signal on, and stepping on the brake, the charge light comes on and the idle drops, thus causing the vehicle to stall. idle speed is 700 rpm.
2001 Lexus GS430 4.3L timing belt VIN: JT8BL69S51
we are replacing the t-belt because of mileage. the car is running like new now and we want it to stay that way. we are alittle confused about how to exactly line up the timing marks. alldata is not helping that much either. it has c am timing marks and vvti m...
2000 Lincoln LS 3.9L struts VIN: 1LNHM87A4Y
hi,i have this car, customer said rough ride and a noise. i think i found the noise.the sway bar end links are bad and the front lower ball joints have broken boots.alldata shows it could be springs or struts.the stuts are not leaking and springs seem unlikly....
2002 Mazda 626 LX 2.5L Surge VIN: 1YGF22DO25
hi guys. can someone out there please help me with this mazda 626. problem with engine idling up to 1500rpm when a/c compressor and condensor fans are on. all a/c system working okay.tested iac motor and okay.iac recieving up to 7.8volts when when a/c compress...
2004 Mazda 6 i 2.3L noise
This is an odd one. this customer complains of as siren noise any time the engine is running. he mentions it has been doing this for a couple of weeks and he has witnessed the noise change;high pitch, low pitch, loud scream. i can only hear it at idle. the thr...
2001 Mercedes-Benz S430 4.3L battery draw VIN: WDBNG70J71
Hope you Mercedes Techs can help. I have a S430 that has a parasitic draw and have located the draw to be in the TeleAid control module. Called the dealer and with a list price of two grand and reprograming my customer wants to know if we can leave the control...
2001 Mercedes-Benz C240 2.6L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: WDBRF61J31
hello everyone. have here 2001 mb c240. problem is boggs down when COLD on accel, also severe misfire thru intake or exhaust. codes for random misfire various cylinders and p0170. replaced air mass meter took care of p0170 and popping thru intake. also will no... Trouble codes: P0170
2003 Mercedes-Benz C240 2.6L MIL Lamp on VIN: WDBRF61J33
Quick question here for you Mercedes gurus out there. This vehicle has a message on the dash that reads as follow: BATTERY/ALTERNATOR VISIT WORKSHOP! According to the customer this message as been on for roughly a month ever since they had the catalytic con...
2006 Mitsubishi Eclipse GT 3.8L Unknown VIN: 4A3AK34T16
i have a good one, a local body shop has this car in & they had to replace the under hood fuse box and the tech did not record the location of the wires correctly & now he is comming to me for help. the alldata picture of the fuse box is not showing what we ne...
2001 Plymouth Neon 2.0L no kick down VIN: 1P3ES46C99
looking for some really good chrysler trans guys,this car side swiped a wall on the expressway at about 60 mph,replaced entire front end,new tires etc,etc,went to test drive car and got a po743 tcc code,followed alldatas flow chart with diffrent results at eac...
2000 Pontiac Grand Am GT 3.4L Misfire, MIL Lamp on VIN: 1G2NW12E7Y
As you can see in the history we been at this car for a long time, very little mileage driven. Hesistation and MIL issue. Have ramp tested injectors all pass, except the one we replaced #6. complression on engine good, ignition system new. Delco parts. Fuel pr... Trouble codes: P0300
2001 Pontiac Bonneville SE 3.8L fuel gauge VIN: 1G2HX54K11
Hello Group, I have this Bonneville fuel gauge will sweep to full when started then after about 20- 30 seconds goes to empty and stays there until the key is cycled off then on and repeats. Scanner says level at 199% regardless of unplugging sender at the tank...
2003 Pontiac Grand Am SE2 2.2L No Start, Stall, DUMPS FUEL VIN: 1G2NF52F43
changed oil/spark plugs/crank sensor. checked fuel presure ok/ did all ign tests for coils ok/no codes/batt dead when we got car/ will start & almost run for 3 sec dumps fuel like giant insect fogger/ replaced map sensor/ checked tp voltage ok/ ect & act are o...
1989 Porsche 911 Carrera 4 3.6L No Start, Stall VIN: WPOAB096IK
Car towed in by customer stating engine starts then dies. Can duplicate concern every time. Checked fuel pressure with key on. OK Checked fuel volume seems low. Fuel looks OK and has 3/4 tank Checked dual dist by disconnecting igniter for each dist and still s...
1995 Saab 900 SE Turbo 2.0L Unknown VIN: YS3DD58B25
hello, this saab shifts fine for 1-2miles then stays in 4th scan with tech2-[...] not present-input rpm. no signal. trans does not slip-check gearbox light comes on when shifting faults. any input would be appreciated!

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2003 BMW Z4 2.5i 2.5L conv. top VIN: 4USBT33463
This one is down the road. The problem was the roof motor. the drain plugged up and burnt it out. the wiring to the motor can be accessed thru the trim panel behind the driver's seat against left rear panel. there are 2 torx on each side holding the front of t...
2002 Cadillac Seville STS 4.6L No Start VIN: 1G6KY54912
Allright this one wasnt a power or ground issue. I traced all powers and ground to the pcm..all were good. i the cut the two data link wires that link the engine computer to the other various computers.. i then clipped the data wire at the data link connector ...
2003 Cadillac CTS 3.2L MIL Lamp on VIN: 1G6DM57N93
I checked a vac line that runs from the back drivers side of the engine to the coolant bypass valve and it was off at the engine side i put it back on and it left only to come back again a week later with same symtom. I looked at the line only to find it was o... Trouble codes: P0128 (coolant temp below t-stat regulating temp).
1993 Chevrolet C3500 Cheyenne 6.5L No Start, Poor Idle Quality VIN: HC39F3PE24
First off, thanks you for all of the replies I received. There were a lot of suggestions on how to determine if the injection pump was faulty. The best suggestion was to remove the cold advance solenoid and listen for a change in the sound of the engine idling...
1994 Chevrolet S10 2.2L no power VIN: 1GCCS1449R
Replaced Cat, Still had problems with power, The cat was a straight unit so I was able to easily look inside it. It was without question clogged. The guts were smooth and looked to be in tact, Thats were I went wrong. Even though it appeared to be intact peice... Trouble codes: 44 (Lean exhaust).
1995 Chevrolet K1500 5.7L light burning VIN: 2GBEK19K4S
First of all i want to thank every body for helping us FIX this truck. Two of you nailed it right on the head about what was wrong with the transmission and the speedometer. The ignition switch was bad and would not let the transmission shift gears and the ...
1998 Chevrolet C1500 Cheyenne 4.3L No Start VIN: 1GCEC14W9W
Thank you everybody who replied. I put a valve inline in the return line to test pressures. With it shut off, engine not running, I could only get 55 psi. I replaced the fuel pump and it took care of the starting issues. I wasn't aware how critical the fue...
1999 Chevrolet Silverado 1500 4.3L Misfire, MIL Lamp on VIN: 1GCEC14W2X
Not able to post a fix just yet, customer to take vehicle as is and come back in a month. What I did find is that the IAC counts are in the normal range 35+or-. The fuel trim numbers for both banks are in the 130 range. Motor is running alittle lean. On start... Trouble codes: P0300.
2002 Chevrolet Cavalier LS Sport 2.2L Poor Idle Quality, Surge, Stall VIN: 1G1JH12F52
Well this one is fixed. After pulling the fuel rail to visually inspect the fuel injectors and their o-rings I was on the phone to our parts supplier attempting to get new o-rings for the injector. As he described the injector and what the o-rings looked like... Trouble codes: P0172 (Fuel system rich History Code).
1997 Chrysler Concorde LX 3.5L No Start, Stall, Floods VIN: 2C3HD56FXV
Thanks for all the replies. This one is fixed the majority of the replies stated the e.g.r. valve vacuum valve can leak vacuum to the valve when cold. That's what was happening a new valve cured this car. Thanks again for the help everyone. Trouble codes: P0403 (EGR Solenoid Circuit - open or short).
2001 Chrysler Town & Country EX 3.8L No Start VIN: 2C4GP54L61
well, long story short, its fixed.the coil WAS bad. i had disconected the starter solenoid wire and hooked up a remote starter. when i read through all your helpfull input, i relized what happened. thanks for the help Trouble codes: P0351, P0352, P0353.
1997 Dodge B2500 5.2L Heater VIN: 2B7HB21Y1V
We have not discovered the reason for the heater problem on this van. We have checked the water pump clearance, proper rotation, radiator flow, heater core flow, combustion in the cooling system, air in the heater core, and coolant temp. We put a clear heate...
1988 Ford E-350 Econoline Custom 7.5L No Start VIN: 1FBJS31G7J
This van is still not fixed we installed the new pcm and still have the same problem not sure whath is going on I am sending the van to another local shop maybe there is something I am missing thanks for all the help I will post if something is found
1995 Ford F-350 Special 7.3L throttle VIN: 2FDKF38F6S
thanks to everyone for taking the time to reply the customer needed his dump truck so he hasw it back so hopefully when he comes back i can use all your usefully info to help me fix it thanks
1998 Ford Ranger XL 4.0L #4 Cyl Misfire VIN: 1FTYR11X2W
Hello everyone and thanks for the input on this one. As most stated, i disassembled and found the intake gasket in poor condition and it was obvious that coolant was trickling into the #4 cylinder. We resealed the darling and its just fine. Thanks for the i...
2002 Ford Explorer Sport 4.0L Timing components VIN: 1FMYU70EX2
Bend They WILL!!! Sourced a (crummy) spring compressor, removed followers, & leakdown tested-air from both exhaust & intake. Also, a couple on the left bank didn't test so well, but had gotten more complete info on vehicle from customer & goes like this: We no...
2004 Ford Excursion Eddie Bauer 6.0L No Start VIN: 1FMSU45P94
Well Gents we complied with the customer's wishes and replaced them. Having Ohmed 'em out there was no change from originals to the new ones (as we expected). In the process of changing them we discovered alot of info that might be of help for those doing the...
2006 Ford F-150 XLT 5.4L No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1FTPW14546
Ok guys. This one is finally fixed. But before I start I want to correct some of the information I wrote earlier. The compression test that I performed was with the plug in cone- style compression tester. It was not reading right. I ordered the adapter for the... Trouble codes: P0300 (Random Misfire), P0304 (Cylinder 4 Misfire), P0316 (Misfire Detected on Startup), P1336 (Crank/Cam Range/Performance).
2006 Ford Ranger XLT 2.3L Clutch VIN: 1FTYR10D26
O.k. I don't know if I technically fixed it but it's gone. After a good long test drive with the customer and some education we agreed that everything is normal and don't worry about it. Thanks for the replies and really a little sorry for bothering you gu...
2001 GMC Yukon XL 1500 Denali 6.0L oil pump VIN: 1GKFK66U11
all the testing i did kept pointing to the oil pump,but could be etched in stone. i consulted some g m engineering friends of mine and explained the problem i was having.they assured me it was in fact the oil pump.they have seen a lot of these problems, even d...
2003 GMC Sierra 1500 SLE 5.3L MIL Lamp on VIN: 1GTEK19TX3
The problem was at the pcm blue connector pin 23 that is the ground for the sending unit i had 5 volts on the purple wireand 5 volts on the return black wire i unbolted the connector and put some dilectric grease on the terminal and bolted it back up and the g... Trouble codes: 461 (fuel level sender), 463 (fuel level sender volts high).
2003 Honda Civic EX 1.7L Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, OIL CONTAMINATION VIN: 1HGEM21933
Slow Oxygen Sensor!! Jay from Ontario responded that by disconnecting the TPS the vehicle was defaulting to FMEM. We were beginning to wonder if maybe our readings were normal or atleast close to normal during the first 2 minutes. So we had nearly given up. Th...
2003 Honda Accord EX 3.0L Misfire
Thanks to Jerry [...] The honda has been fixed. The car had bosch plugs in it. changes them over to ngk and have not had a problem since. Thanks to all who replied your input was greatly apreciated! thanks, Scott Trouble codes: P0300 (Random Misfire), P0301 (No. 1 Cylinder Misfire), P0302 (No. 2 Cylinder Misfire), P0303 (No. 3 Cylinder Misfire), P0304 (No. 4 Cylinder Misfire), P0305 (No. 5 Cylinder Misfire).
2004 Hyundai Elantra GLS 2.0L pings VIN: KMHDN46D04
Hello everyone and thanks for the input on this one. As many said, the customer was probably using the cheapest fuel available(understandably). I told her if she wanted to see, put in a higher grade of fuel and see what happens. It quieted it dramatically. ...
2001 Infiniti I30 3.0L Poor Idle Quality, Stall VIN: JNKCA31A3Y
Thanks to all for yor help, We had to wait until the temperature dropped below 36 degrees to recheck and this is what we found. Right after you start the engine and drop it in gear the engine starts to loose rpm, we sprayed carb cleaner around the plenum and t...
1996 Jaguar XJ6 4.0L Cuts out, Stall VIN: SAJHX1747T
Replaced the fuel pump relay with the blue one as told, never found an O2 sensor relay though.. But I wasnt the tech doing this final work so not sure how hard the other guy looked. Car has been driven 60+ miles since and no problems.. Thanks to everyone
1974 Jeep J10 5.9L No Start VIN: J4A452CN65
Here is the fix. The wire in question, resistance wire from ignition switch to coil, getting hot with key on was not the cause of the meltdown but possibly a result of the harness melt down. This wire is tied into another wire at the coil then goes to the star...
2003 Lincoln Navigator 5.4L air suspension VIN: 5LMFU27R23
We sent the vehicle to the dealer. They reprogrammed our new module and replaced a right front height sensor. This woke-up the system and it then worked. We also had a leaking right front air bag that we replaced and now all is ok. Our Genysis still would ...
1995 Mazda Protege DX 1.5L Surge, Stall VIN: JM1BA1419S
Per feedback have checked vacuum at idle. Vacuum stayed at 20psi in idle, drops to 15psi when put into gear then recovers to 17psi. Open throttle wide, vacuum drops then recovers fast. Checked cylinder compression: cyl #1 = 180psi , cyl #2 = 165psi , cyl #3 = ...
1990 Mercedes-Benz 500SL 5.0L Door Locks VIN: WDBFA66E8L
Thanks to everyone that responded to my help request. I spent a good deal of time going through this system and I know that the IR keys, and sensors were recieving the information, and it was making its way to the IR Control Module, but nothing was happening ...
1999 Mercury Cougar 2.0L servo VIN: 1MZ63593MY
Thanks to all that replied, we put a new servo in it and test drove it with a gauge on it this time and found the pressure in spec. of course after giving it back to my manager it blew out a mile down the street. We ordered a reman from the dealer and all is w...
1994 Mitsubishi 3000GT SL 3.0L No Start, MIL Lamp on VIN: JA3AM64J3R
1996 Nissan Altima GLE 2.4L No Start, Hesitation, Surge, Cuts out, Stall, MIL Lamp on VIN: 1N4BU31D3T
1999 Nissan Sentra XE 1.6L No Start VIN: 3N1AB4AD3X
2001 Nissan Maxima GLE 3.0L Surge VIN: JN1CA31D51
replaced iac and ecm its all good now road test moniter o2 slow replace o2 clear codes Trouble codes: P0505, P0135.
1995 Oldsmobile Cutlass Ciera 3.1L service engine soon VIN: 1G3AJ55M05
hello thanks for the help. I cleaned the hell out of the egr ports and all is well. This one is fixed! thanks again Trouble codes: 1405 (egr solenoid error).
1987 Other European FAIRWAY 2.5L taxi meter
Well everyone gave me phone numbers which lead to more phone numbers... then when we called American Taximeters and communications in Long Island City we hit the jackpot. He told me quickly on the phone which wires were which, 10=+, 9=-, 8=ign. 1 thru 4 for th...
1994 Pontiac Grand Am SE 2.3L No Start, Cuts out, Stall VIN: 1G2NE5533R
1995 Pontiac Grand Am SE 2.3L Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy VIN: 1G2NE55025
Thanks for all of the great help. It turned out that the ignition housing was bad. It had a short between cylinders 3+4. It showed 60K ohms. Tried a new one and after the cylinders cleaned up it runs great now.
1998 Pontiac Sunfire GT 2.4L air in hydraulic system VIN: 1G2JD12T6W
The customer hasn't been back for three weeks, its either fixed or he traded the car off. Replacing the slave and master with GM parts seems to have fixed it. A bad rap for aftermarket, I promise I wont tell any dealership guys about this one. Thanks to all wh...
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