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Prev Professional Automotive Repair Technical Discussions for August 23, 2005
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Help Request Answers
2000 Audi A6 Quattro 2.7L no communication VIN: WAUED24B6Y
the vehicle will communicate with our vag tool through the obd II connector but when we attempt a new york obd II inspection it will not communicate. The vehicle will also not communicate with our vetronix mastertech. any help would be appreciated.
1988 BMW 735i 3.4L ventilation VIN: WBAGB4307J
Good evening BMW techs.I have a 88 735I that has something seriously wrong with the a/c,heating system.I had to replace the IHKA control unit about a month ago because of no proper control of the system with the heater control.Now the heater control works good...
2001 BMW X5 4.4i 4.4L radio VIN: WBAFB33511
Hello bmw techs. This car has a radio problem. The customer complaining that when listenning to the am station he can hear the engine trough the speakers on the acceleration. I wraped the antenna in the aluminum tape like tha tsb said and checked all of the co...
1994 Buick LeSabre Custom 3.8L No Start VIN: 1G4HP52L1R
Hi guys This ones got me.I have a crank but no run car with a code p1629.I have batt voltage at terminals a1 a2 and b2. I have grounds at terminals b5 and b6 of the theft module. With module disconnected I have 5 volts at terminal a3. With the module connected... Trouble codes: P1629
1994 Cadillac Seville STS 4.6L head bolt serts VIN: 1G6KY529XR
upon reinstaling the rear head, one of the time sert repair holes begins to pull out and will not tourque. is there anything that can be done to save this block. all other head bolts tourqued down fine. looking for any help i can get
1994 Cadillac Seville STS 4.6L Stall, MIL Lamp on VIN: 1G6KY529XR
Customers symtoms, engine light on, traction disabled, a/c flicks off and on rapidly, (charge ok) stalls, speedo not working, noticed radio clock display flicker.I noticed the scanner doesn't communicate data. I have checked through aldata and archieves and I ... Trouble codes: 1034, 1052, T073 (current pulse width modulation fault), T072 (serial link fault)
1995 Cadillac Seville STS 4.6L Cuts out, Stall VIN: 1G6KY5294S
Customer complains of vehicle loses power and is going to an idle. Info monitor is saying engine temperature is too high and computer is apparently commanding engine to idle. Customer says it always does it when engine is hot, but not necessarily at full opera... Trouble codes: P0073 (Intermittent ECT sensor signal), P0095 (Engine stall detected)
2000 Cadillac Escalade 5.7L power door locks VIN: 1GYEK63R8Y
Hi Guys Doors will lock from door switches but no unlock. Works okay from keyless remote. Mitchell diagram shows a "door lock inversion module" and supposed to be "behind left side of dash" but I can't seem to find it. Does anyone know where it is? Thanks.
1985 Chevrolet Corvette 5.7L Poor Idle Quality, Misfire, Poor Fuel Economy VIN: 1G1770786F
Ok lets get started. This is a friends wifes car. Motor was rebuilt this year. From what I have been told it ran fine for awhile thin started to miss and stall. I get and this is ths list of new parts that were on it, New cap, and rotor. 8 new fuel injectors. ...
1986 Chevrolet S10 2.5L Poor Idle Quality, Misfire VIN: 1GCCT14E5G
This truck runs great when warm. It misses when first started cold and will not go over 50 mph till engie has reached about 180. Wacthing spark and the single injector, they both, at the same time, will skip the pulse at the same time. Integrator will go down ...
1986 Chevrolet Camaro Z28 Iroc-Z 5.0L cooling system VIN: 1G1FP87H2G
see if anyone can help or had similar problems, 1986 z28 5.0 carb., running hot at idle ( 240-250 ) or running at highway speeds, has a brand new jasper longblock, water pump, thermostat, intake, hoses, belts, temp switch for cooling fan, radiator. the cooling...
1991 Chevrolet Lumina Euro 3.1L Noise VIN: 2G1WN54T2M
This car came into our shop with a very noisy fuel pump, buzzing it's little brains out. You could hear the car coming up the street. Pressure, volume and supply voltage were, surprisingly, OK. I did not check voltage drop across the pump, amps draw or scope p...
1997 Chevrolet C2500 Suburban LS 7.4L Misfire, MIL Lamp on VIN: 3GNGC26J3V
Suburban came in with code 305 missfire #5 clyinder about 4weeks ago. The ignition parts on it had never been replaced since it had left the factory. We replaced plugs cap,rotor and ignition wires and fuel filter. The Suburban returned with the same code po305... Trouble codes: 305 (cly. 5 missfire)
1997 Chevrolet S10 2.2L 1-2 Shift Late and rough VIN: 1GCCS144XV
Vehicle came in over 4 months ago with no second gear. Pulled apart and found 2nd and 3rd clutches a little burned and worn down. Customer now decided to have us rebuild it. When I reassembled it, I could not find the two accumulator springs that normally go...
1998 Chevrolet Blazer 4.3L warning lights VIN: 1GNDT13W0W
Ths may get long- I have been working on it awhile. Customer concern of ABS and brake warning lights came on.-Actually they come on after about 2 seconds of brake application- first the ABS light, then the BLW light. If brake pedal stays pressed for 2-3 second...
1999 Chevrolet C1500 Suburban 5.7L starter VIN: 1GNEC16R6X
this vehicle when first sarted in the morning will exibit a "drag" for the first couple of revolutions and then free up and have no problem starting as many times as you wish afterward. it's not until you let it sit for about 3 or 4 minutes that it may or may ...
2002 Chevrolet Malibu 3.1L MIL Lamp on VIN: 1G1ND52J72
We bought and resold this car. After selling check eng. light came on. The code was P0133 downstream 02 sensor. Put the car in the air and see that the converter had been changed. When replaceing the 02 I see that it was damaged like someone had hit it. Thinki...
1996 Chrysler Concorde LX 3.3L cooling fans VIN: 2C3HD56T4T
Hi all fellow techs. I am in vacation here in sunny Phoenix, AZ and got roped into helping a friend with an ongoing problem with this Concorde that no one in this area seems to be able to fix! This particular car came to me with an overheating and a poor A/C p...
1996 Dodge Intrepid 3.3L odometer VIN: 1B3HD46F10
first off let me say this is a 1993 dodge intrepid powertrain that has been installed in a winnabago camper. everything including the steering column has been retrofitted.I could not understand how to start help request without vin. Hope this does not get me i...
1998 Dodge Dakota 3.9L Poor Idle Quality, Surge, Cuts out, Stall VIN: 1B7FL26X3W
fuel check good --no codes very fast stall and starts right up again
1988 Ford Ranger STX 2.9L compressor VIN: 1FTCR14T6J
good afternoon fellow iatn members. i have a ranger truck here thats causing more grey hairs than i need. computer will not allow a/c compressor to stay engaged. i have cut the control wire from the relay to the computer and compressor works good and cools goo...
1992 Ford Mustang GT 5.0L starter VIN: 1FACP45E8N
went to customers home for no start. jumped selenoid on fender well to start car. drove to shop replaced selenold, now starter stays ingaged for approximatly 2 seconds after releasing key. have tried 3 seleniods including oem, also 3 starters, ave checked volt...
1997 Ford F-150 4.2L Hesitation, Stall VIN: 1FTDF1726V
Customer complains of a miss in engine. While diagnosing, I found no dtcs. The one thing I did notice was the short and long term fuel trims. Bank 1 and bank 2 long term fuel trims are not the same. Bank 1 long term is 3 and bank 2 long term is 15. I have trie...
1998 Ford E-250 Econoline 4.2L Hesitation VIN: 1FTPE2422W
Guys, this one is really eating my lunch. First off, van arrives with complaint of no power. Found crank pulley keyway was about 4 times the width it should have been, so replaced pulley. Van now has power, but has a severe tip-in hesitation. Smoked intake for...
1998 Ford Ranger XL 2.5L Surge, Cuts out, Stall VIN: 1FYR14C1WP
The problem is an intermittent stalling. When the problem occurs, fuel pressure drops to 30psi, check engine light flickers, communication from the pcm is lost. The fuel pump relay is pulsed on and off by the pcm with the key in the run position, engine off. A...
1999 Ford Expedition Eddie Bauer 5.4L engine VIN: 1FMPU18L9X
OK, Another problem child. This expedition was brough to us with a slight tapping noise. A very quick (too quick) inspection by my technician found noisy fuel injectors. The job was bid, injectors pulled, serviced, and reinstalled with no change. A slightly mo...
1999 Ford Windstar LX 3.8L power steering VIN: 2FMZA5147X
Vehicle came in with pump whine, which usually means worn pump on a ford. Replaced the pump w/reman unit, flushed and bled the system, all was good. Car came back the next day sounding the same, no leaks and full of fluid, though very aeriated. Tried another r...
2001 Ford Explorer Sport Trac 4.0L speedometer VIN: 1FMZU67EX1
i want to thank you in advance for reading this. this explorer came in with a po500 vss inoperative. tested and replaced open speed sensor in diff. also found bad connector at abs module replaced now we get good signal to abs module and no signal coming out. s...
2001 Ford Mustang SVT Cobra 4.6L Suspension VIN: 1FAFP47V01
car wallows side to side at high speeds. new shocks, struts all around. almost feels as if tires are following grooves in road. does anyone kmow about these indpendent rear ends if they can cause a problem like this?
1999 GMC Sierra 1500 SL 4.8L Anti-Theft VIN: 1GTEK19V5X
This truck was towed in as a no start. Vehicle will start and then immediatly stall. The security light stays on. There is no communication with any computer data. Checked DLC power and grounds fine. Fuel pressure is fine.Fuses ok. I believe the Ign switch and...
2003 Hummer H2 6.0L compressor ? VIN: 5GRGN23U23
Good day to all, Customer concern was a lack of air conditioning cooling ability at idle. I connected gauges and at idle the low side pressure was aprox. 65-70 psi, high side was 350 plus. Upon inspection the condenser was found to be plugged with grass seeds...
2001 Infiniti I30 3.0L electronic engine mounts VIN: JNKCA31A01
This Infiniti I30T has a buzzing noise coming from the electronic engine mounts after turning ignition off also under light throttle.I know there is a tsb for vehicles built before oct. 2 2000,however this one has a production date of 01/01 and was wondering i...
2001 Isuzu Rodeo LS 3.2L Hesitation, Surge, Misfire, MIL Lamp on VIN: 452CK58D31
car came in with a cam sensor code. replaced sensor then test drove car seemed ok. cust drove car and said she feels like it has no power. drove car but can't tell if power is ok due to the fact it has a 4 cyl in it. I do feel a very slight surge when going up... Trouble codes: P0341
1997 Jaguar XK8 4.0L Stability control VIN: SAJGX2744V
Hello Jaguar Techs: I have this XK8 with engine and ABS MIL on. DTC's P1229 and P1242. Have no interpretation of these DTC's. The car starts anb cuts off; does not idle. On the dash display it reads, "stability control fail and engine fault". I have no softwar...
2001 Kia Sportage 2.0L MIL Lamp on VIN: KNDJA72351
I reciently worked on this Kia Sportage for the first time. It had a check engine light on with a P0440 (evap system problem). I first wanted to clear the code and see if it was a freak thing or real code. I cleared it and told the customer if the same code re... Trouble codes: P0440
2001 Land Rover Discovery Series II SE 4.0L abs VIN: SALTW15401
I'm having a difficult time repairing this rover, Hard code p1590, traction control light is on, ABS light on, Hilldescent is on. This happen right after detailing the next morning it got started according to used car dealer. Found bad left rear sensor, replac...
1993 Lexus GS300 3.0L Alternator VIN: JT8JS47E8P
Here's one for you Toyo/Lexus guys: We've got a '93 GS300 that will discharge the battery at idle, but only if accessories are on. It starts and is stable at 14.0 VDC. Headlights on causes voltage to slowly drop to about 12.9, and w/ lights and A/C on it will ...
1996 Lincoln Continental Anniversary 4.6L compressor VIN: 1LNLM97V5T
On this lincoln I do not have any a/c compressor clutch voltage. The control head shows a/c and the blower works. I have tested for voltage at the CCRM and have .13 volts on circuit 331 (WOT cutout input)--was not sure what reading the pcm is supposed to put o...
1999 Mazda Protege DX 1.6L MIL Lamp on VIN: JM1BJ2226X
This car is mainly driven around town but when taken on long trip, after driving at 70 mph, the last time for 5 hours, it will set the code P0402- excessive EGR- We have performed the repair that is listed in the bulletin from Mazda and cleaned the EGR passage... Trouble codes: P0402 (Excessive EGR)
1985 Mercedes-Benz 500SEL 5.0L hard start VIN: WDBCA37D2F
when car is hot and turned off for half an hour it is very hard to start just cranks starts fine any other time fuel pressures are within specs any ideas thanks
1997 Mercedes-Benz E320 3.2L Misfire VIN: WDBJF55F3V
Hey fellow techs, I had this e class come in which had been to several shops prior to correct an intermittent misfire. they threw a bunch of parts at it. plugs,wires, coils, air mass meter. I replaced the original fuel filter, inspected and pulled on the engin...
1999 Mercedes-Benz C280 2.8L MIL Lamp on VIN: WDBHA29G4X
Got this in the shop today with these 2 codes,(po170,po173) looked for vacum leak and can't see any (do hear like there is something at the rear of engine but can not confirm). Was wondering if anyone has had a problem like this? idle sound good not to fast.Lo... Trouble codes: P0170, P0173
1989 Mercury Grand Marquis GS 5.0L Hesitation, Cuts out, Stall, Poor Fuel Economy VIN: 2MEBM74F5K
The problem with this vehical, is when warm, it cuts out and almost dies when comes off hard accell then back on throttle.
1996 Mercury Villager (Van) GS 3.0L Misfire VIN: 4M2DV11W1T
hey guys hope you can help me with this one. we got a customer with a 96 mercury villager that is driven by an elderly women, this vehicle has been coming to use for about a year now with the same problem. we keep getting a p420 code saying there is a misfire ... Trouble codes: P0420
1998 Mercury Sable LS 3.0L MIL Lamp on VIN: 1MEFM53SXW
We keep getting code P0443 (evap system purge contorl valve fault) we have replaced purge control valve & had a new ecm installed by dealer. Check enine light keeps coming back on. we have found at pin 56 of ecm 12 volts. This should be a ground. Have called t... Trouble codes: P0443 (evap system purge control valve), P0455 (testing and results)
1993 Mitsubishi Mirage S 1.5L No Start VIN: JA3CA26AOP
1993 Mitsubishi Mirage no spark or injector pulse.
1997 Nissan Quest XE 3.0L No Start VIN: 1231231235
this van came in with a no start.. did the normal checks..found that the fuel pump fuse was blown.. replace fuse and after cranking fuse blows.. unpluged wires at the tank the fuse remains good.. so... sounds like a fuel pump i replaced pump.. stil...
2000 Nissan Maxima GLE 3.0L Hesitation, MIL Lamp on, Lack of Power VIN: JN1CA31A7Y
This vehicle starts ok but after a few seconds, falters, stumbles, stalls when attempting to accelerate. Gets better slowly as it warms up. Tested all circuits from PCM to coils and all are good. No shorts to ground or power and no opens. With labscope attache... Trouble codes: P1320 (Ignition Signal-Primary), P0155 (O2 Heater Circuit B2S1), P1220 (Fuel Pump Control Module Circuit)
2001 Nissan Sentra GXE 1.8L No Start VIN: 3N1CB51D41
Car towed in with a crank no start contition. We found harness chewed up and replaced cyls 2,3,4 pigtails with same car harness and same wire colors. Have no waveform at coilpack IB trigger on cyls 1,2,3 but have trigger on cyl 4 and good spark, but only on #4...
1989 Oldsmobile Delta 88 Royale 3.8L Noise VIN: 1G3HN54C3K
Our customer brought this car in for noise in the engine.The noise sounds like you are shaking marbles in a can.This engine is the 3800"c".The noise is real loud in the bell housing area. With a stethoscope with the end off of it and listening while moving the...
1992 Oldsmobile 88 Royale 3.8L Excessive Emissions, Cuts out, Stall VIN: 1G3HN53L3N
This Olds is just a little troublesome for me. It keeps running rich and stalling its self after about 3-5 minutes from cold start. I checked fuel pressure, injector resistance, pulled the o2 sensor to open up the exaust. So far everything looks good. No codes...
2002 Other European Pure .6L Central locking VIN: EUROPEANSP
The central locking on this little Smart car will not behave. If I activate the system with the key the indicator lamps flash and the rear hatch/fuel release can be heard to operate,the driver and passenger doors remain inoperative. if the car is left for a fe...
1988 Plymouth Voyager 2.5L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Poor Fuel Economy VIN: 2P4FH21KX1
This job was originally given to one of the other technicians in the shop. When it came in he said that it was missing very bad and blowing black, sooty smoke out of the tail pipe. He took a look at the tune up compoinents and found that it was in serious need... Trouble codes: 12 (Battery feed to the single module engine controller SMEC), 15 (Vehicle speed sensor), 14 (MAP sensor Electrical)
1998 Plymouth Voyager Expresso 3.3L gages VIN: 2P4GP45G2W
This van was brought to us for gages inop. After test driving I noticed that the check engine light was on. I hooked up are scan tool and self tested the gauge cluster. there was no response from the cluster. At that point I tried to do a self test on the pcm ...
1991 Pontiac Bonneville SE 3.8L interior door lights VIN: 1G24X53L5N
Have this 91 Pontiac boneville with a battery draw. We replaced the power window motor due to being inop. Before we put the door panel on I cked the function of door lock latch, seems to work fine and door lights come on and off with the delay. But somtimes th...
1997 Pontiac Grand Prix GTP 3.8L Poor Idle Quality, MIL Lamp on, extreme high idle VIN: 1G2WP5219V
please help someone. I have this 97 pontiac grand prix with a 3.8 supercharged. The history of the problem is about a year ago the car was in here for a high idle problem and code p0507. at the time I diagnosed the problem coming to the conclusion that the int... Trouble codes: P0507
1997 Pontiac Trans Sport 3.4L No Start VIN: 1GMDX03E3V
no injector pulse, no spark. checked all crank cam signals; replaced ignition module, still no start. customer brought van in last week because of a no start problem, but it ran fine for us. they then towed it back in and we have been unable to start it since.
2000 Pontiac Grand Am GT 3.4L No Start, Cuts out, Stall VIN: 1G2NV12EXY
Hi guys, this car is not giving us much to go on. The customer states that the vehicle will die while driving down the road. Customer said If you let it sit it will restart. The problem occures very intermittent. It has good fuel pressure in its range, spark i...
1995 Saab 900 S 2.3L Poor Idle Quality, Stall VIN: YS3DD55B9S
Hello fellow technicians, This Saab was towed in to my shop with a no start condition. Customer said that it overheated to the point that it cut off. The car started for me, but was missing badly and smoking even worse out the tailpipe. After concluding that w...
1995 Subaru Legacy L 2.2L extended crank VIN: 4S3BK6357S
first time to see vehicle--customer complaint is extended crank time very intermitten once every 6 or 7 starts in a day, says he has to wot to start smells like fuel at times. we pinpoint tested crank sensor, knock sensor and o2 sensors a pass perfectly, also ... Trouble codes: P0335, P0325, P0420

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1986 Acura Integra RS 1.6L Poor Idle Quality, Stall, Poor Fuel Economy VIN: JH4DA1846G
thanks ,to all who responded, yes it end up to be ECT sensor .. but it never flash codes... replaced the sensor and car runing ok . again thanks all. Mike.
2000 Audi A4 Quattro 1.8L Hesitation, Misfire, MIL Lamp on VIN: WAUDC28D9Y
Dear Fellow Techs, Thanks for the help. I received 12 replies; 6 of which were right. Ordered a Mass Airflow Sensor from a Dealer, problem fixed. Customer says vehicle runs great. Thanks very much to all who replied. Dave Trouble codes: P0300 (Random Misfire), P0301 (Cylinder 1 Misfire), P0302 (Cylinder 2 Misfire), P0303 (Cylinder 3 Misfire), P0304 (Cylinder 4 Misfire).
1998 Buick LeSabre Custom 3.8L cylinder VIN: 1G4HP52K8W
you guys are on it! the cure was the intake manifold,a reply from robert in iowa was the advice i took,with the throttle body removed i applied pressure to the cooling system,with two thumbs over exposed passeges you could watch the coolant leaking out of the ...
2002 Buick Rendezvous CX 3.4L abs system VIN: 3G5DB003E2
thanks for the help found lf wheel sensor had low amplitude out of the sensor.would not go over 1.5 volts ac on my meter.
2002 Cadillac Escalade 6.0L turn signals VIN: 1GYEK63N32
I sorry to say we couldn't get to the bottom of this one.The used car lot that owned the truck took it to the local GM dealer-I called yesterday and was told that they could not repair either???-I now find out that the truck is still under factory warranty and...
1991 Chevrolet Corsica LT 3.1L Poor Idle Quality, Surge, Cuts out, Stall, Misfire VIN: 1G1LT54T6L
hello thanks for your help it was useful but was still stunt couldnt find answers.then stop and look on my scanner and seen o2 not switching found grounded. when i started it was working thank you for the your help. sincerely juan
1993 Chevrolet S10 Blazer Tahoe 4.3L Excessive Emissions, Poor Idle Quality, Surge, MIL Lamp on VIN: 1GNDT13W8P
You guys were right on the money on this one. The fuel presure regulator was leaking. Replaced the injector assembly. Cleared codes and test drove. Runs great. Thanks you guys. Trouble codes: 45 (rich exhaust).
1994 Chevrolet Corsica 3.1L unknown VIN: 1GILD55M6R
I wish I had something useful to share: we have not fixed the problem and are not likely to do so, soon anyway. When the customer found out it may be a costly problem to pursue, he declined further eval. I received a number of great thoughts, some we hadn't th...
1998 Chevrolet Astro 4.3L Hesitation, Stall VIN: 1GNDM19W4W
Most replies pointed at the pump. I agree O.E. is the only way to go. Vehicle came in with new aftermarket pump, that the customer had bought. So here we are,Pump #3=O.E.Delco, same pressure 55psi at idle. Same problem. Out of 26 replies, 3 mentioned the EGR a... Trouble codes: P0171 (lean snsr 1 bnk 1), P0174 (lean snsr 1 bnk 2), P0507 (iac system - rpm too high).
1999 Chevrolet Express 3500 5.7L horn VIN: 1GCHG35R2X
Repaired van by providing new ground across steering u joint used 6 inch of 16 guauge wire stripped both ends back and attached by two small hose clamps / works well no interference problems . Thanks For everyones post -Dan [...]
2000 Chevrolet Silverado 1500 5.3L No Start VIN: 2GCEK19TOY
I finally got the truck in. We put a fuel pressure regulator on, even though we saw nothing wrong with the old one. It fixed the problem and the customer is happy. Lost our ass on this one. Thanks to everyone who said to replace the pressure regulator.
2005 Chevrolet Silverado 1500 4.8L Hesitation, Misfire VIN: 2GCEC19V75
Hello fellow techs, Thankyou for all the replies; suggestions ranged from bad gas to ignition breakdown to intake leaks. Also, it was suggested that the owner should just ditch the truck and purchase another popular asian brand vehicle.As this truck has unde...
1999 Chrysler 300M 3.5L Poor Idle Quality, Hesitation, Cuts out VIN: 1G2NE52E8X
I have recieved a great amount of info from all who replied. I learned that octane boost is not needed since e85 has 110 octane. I also learned that the fuel trims will be off due to the fact that you would need more e85 to produce as much power as gas can pro...
1999 Daewoo Nubira CDX 2.0L Clutch VIN: KLAJB52Z7X
Hello again, special thanks to those who responded. The parts we were using were factory GN parts and matched the originals. Ted was correct as the pivot arm or shaft was indeed bent. Finally recieved the part yesterday (back ordered of course), replaced it as...
1996 Dodge Dakota 5.2L torque convertor VIN: 1G7GG23Y5T
Thanks to the six techs that responded to my plea for help. Most agreed that the transmission was 'toast' and would either have to be rebuilt or replaced along with the torque convertor. A couple or replies stated that the lockup solenoid could be the culprit ...
1997 Dodge B3500 5.9L Misfire VIN: 2B6KB31Z0V
Thank you everyone who helped. I measure the installed height of the valves and found the exhaust valve was higher then the exhaust valves on the other cylinders. Heads are off and at the machine shop. Trouble codes: P0306.
1999 Dodge Ram 1500 Van 5.2L clunk on decel VIN: 1B7HF16Y7X
Well I'm going to have to close this help request. All of the replys have been very good, but I have tryed them all. My client feels that he can live with it for now. If he decides to continue further I will update this. Thanks for the input people.
1999 Dodge Ram 1500 Truck 5.2L 3-4 Solenoid Circuit VIN: 3B7HC13Y7X
Well, finally finished this Dodge yesterday. After much testing and checking of wiring at the PCM and the trans connectors, I finally bit the bullet and ordered a new PCM from Dodge. They don't have a reman unit. The new PCM is physically different from the ol...
2001 Dodge Ram 1500 Truck 5.2L guages inop VIN: 1B7HF13Y51
Thank you to everyone who replied. Sorry for the delay, I was waiting for the customer to come back to get the instrument cluster installed. We ordered a new one from Dodge. I installed it, erased all of the codes in each module and problem solved. I learned f...
1990 Ford F-350 Custom 7.3L trans VIN: 2FTJW35M5L
Hello all who have sent me the info that was used to repair this truck. We changed the trans range selector switch on the side of the trans and that took care of some of the problem. What we found is that there is a resistor next to the ac diode that gose dire...
1993 Ford Taurus GL 3.0L Constant Controll Relay Module VIN: 1FACP57U5P
Most everyone told me to check the grounds or the fans. The fan had been replaced previous to the post and the grounds had been run new to the battery neg post. The vehicle seems to blow out the CCR when the trans in shifted into reverse and the trans is hot. ...
1994 Ford F-150 XL 4.9L runs bad VIN: 1FTDF15Y8R
sorry took so long to get back with every one,as a few of you said was to check the spout connector.when you unplug it the truck runs fine,do not know what the cause is at this time cust need truck and thats it.
2002 Ford Explorer XLT 4.0L calipers VIN: 1FMZU63E72
Almost all were right. When I had the vehicle jacked up and turned the wheels air got in the system. After driving the car for a while it started to clear up. Thanks for all the help.
1999 Honda Passport EX 3.2L Poor Idle Quality, Hesitation, Poor Fuel Economy VIN: 4S6CM58W6X
Thanks to everyone who responded up front, especially Chris. The ultimate problem was the right side Catalytic converter. Some fault here definitly lies on my shoulders and I apologize. After getting the intake fixed (I did recheck it with no leaks found) I ... Trouble codes: 1133 (HO2 b2 s1 lean), 1171 (fuel trim lean on acceleration).
2005 Hummer H2 6.0L no compressor engagement VIN: 5GRGN23U25
The problem I was having was no ground from the PCM to energize the a/c clutch relay. System had 2 pressure sensors. The low pressure sensor had no voltage that came from a/c control head. Sent back to dealer under warranty
1992 Isuzu Pickup S 2.3L Poor Idle Quality, Stall, Poor Fuel Economy VIN: 4S1CL11L3N
Sorry, to have waited so long to post this. I recieved good info, but nothing that I had not already checked. I am convinced I need a good ECU. The customer has given up on this truck. He is going to trade it in on a new vehicle.
1995 Jeep Cherokee SE 4.0L No Start VIN: 1JFJ28V0SL
Truck broke down again with new replacment wrong computer. Diagnosed new problem. Crank sensor was faulty and replaced. Started and running fine. Just because, we re-installed original computer and now truck running fine witb old computer??? Drove truck fo... Trouble codes: 11 (No crank signal tp pcm).
1997 Jeep Cherokee Sport 4.0L tps voltage VIN: 1J4FJ68S2V
Thanks for the great response on this one. This was a classic case of kiss, keep it simple stupid. The fix was a new tps sensor. It was shorted wide open internally so the voltage stayed the same connected or not. I was expecting to see 0 volts like the fords ... Trouble codes: P0123.
1999 Lexus RX300 3.0L program new key remote VIN: JT6GF10U6X
All replies were a benefit. Great help from members. Look forward to more assistance in the future. Thank you, Chris
1996 Lincoln Town Car 4.6L Radio VIN: ILNLM82W7T
Thankyou to all who replied. Puuled radio from dash and used wiring schematic to troubleshoot (information from Steve very helpful). Tested voltage drop on ground sides (Black & a Black/Light Green wire) both under .09 volts. Tested Key On Engine Off (KOEO) Po...
2002 Mazda 626 LX 2.0L Hesitation VIN: 1YVGF22C12
Thanks for all the replys! The majority of my replies were pointing to the MAF sensor so I re-checked values and also tried unplugging sensor with no change. I then found if I loaded vehicle in gear slightly I would get the odd misfire from engine. Thanks to D...
1974 Mercedes-Benz 450SL 4.5L AC performance VIN: 1070441201
Well, I'd like to say I was completely satisfied with the final delivered product with this benz air conditioner. This system just was NOT designed to freeze you out of the car. I ended up installing a later model,larger condensor fan and moving the condensor ...
1997 Mercedes-Benz S500 5.0L Transmission VIN: WDBGA51GOV
Thanks for all the replies. After doing further testing including a current flow test of the wiring, it turned out to be TCM.
2001 Mercedes-Benz C240 2.6L abs, esp, bas VIN: WDBRF61J81
I got three replies to this help request. We checked all the grounds into the ESP/BAS/ABS control module all were good. There was no corrosion near or on the plug or control unit. The module gets power from the front SAM, the power supply was good. We replaced...
1998 Oldsmobile Aurora 4.0L Lighting VIN: 1G3GR62C2W
I took out the new light control module, installed a new wire end from an old turn signal switch through the male plug to the module. I made a tighter mechanical connection at the new spliced wire to circuit board connection, then slid the plug over my spliced...
1998 Plymouth Grand Voyager SE 3.3L Lighting VIN: 1P46P44GOW
Thanks for all the help. As it turns out, I did not realize the BCM had a third connection that is actually plugged directly into the fuse panel. I pulled the BCM completely out, and the lights stayed off. Ordered and installed factory BCM and this corrected t...
1984 Pontiac Firebird Trans Am 5.0L Surge, Cuts out, Stall, Misfire VIN: 1G2AW87H1E
This vehicle is fixed. It was the distributor. I received several replies telling me to look for a magnitized shaft and sure enough. Care has ran fine for more than a week. Thank to all that responded
2001 Subaru Outback Limited 2.5L Engine VIN: 4S3BE686X1
I didnt receive as many replies as i'd hoped but still I was offered the TSB I mensioned. I was told that these engines run well over 100k without repair and that no repair should be made. This engine however kept setting a knock sensor to high code so somethi...
1999 Volkswagen Passat GLS 1.8L Hydraulic VIN: WVWMA63BXX
Thanks to all who replied. I received replies about leaking rear calipers, sticky slides and isolating circuits. I spent several hours trying to isolate circuits - sometimes it would seem to have a good pedal and then it would disappear. I decided to try an OE...
1999 Volkswagen Passat GLS 1.8L No Start VIN: WVWMA63B2X
Vehicle is fixed and I am sorry to have bothered you all with this one. The simplest answers are usualy the correct answers. The problem obviously HAD to be in the five connectors and after returning to the vehicle on Mon. It took all of about 3 seconds to fin...
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