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Prev Professional Automotive Repair Technical Discussions for April 23, 2005
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Open Help Requests for All Makes and Models
Help Request Answers
2001 BMW 740iL 4.4L Instrument cluster VIN: WBAGH83471
We replaced the insturment cluster. We have tried to program this new cluster several times with our GT1. Everything works with the exception of the traction light constantly flashes. If some one knows the step by step programming procedure we would greatly ap...
1990 Buick Regal Limited 3.8L MIL Lamp on VIN: 2G4WD14L5L
Customer calls this week, lights are dim and check engine is on.Get the car into the shop,check charging system,Voltage and amps good.Checked for ripple voltage none.Checked battery,sulfated,replaced battery.Rechecked system.Still wondered about why lights dim... Trouble codes: 21 (throttle position)
1992 Buick Regal 3.1L No Start
Hello My Fellow Techs,This vehicle came in with check engine on and that diagnoises came out to being a bad egr valve, 1 month later vehicle comes in on the hook and will not start no matter what I do. I have replaced the ECM cause i could not read ECM with my...
1995 Buick Skylark Custom 2.3L No Start VIN: 1G4NV55D4S
I don't have access to TSB's, so I don't know if there could be something there to point me in the right direction. Anyone have an idea?
1999 Chevrolet Silverado 1500 4.8L power steering VIN: 1GCEK14V2X
Hello fellow techs, Thank you in advance for any and all suggestions. I have this 99 1500 4X4 pickup that steers hard to the left, but fine to the right. It seemed that the last one of these that I had was fixed with a new pump, but that didn't work this time....
1993 Chrysler Town & Country (Van) 3.3L No Start VIN: 1C4GH54R3P
OK Gang. This vehicle came in on the hook. Crank but no start. Fuel but no spark. Replaced the ASD relay while it was sitting out side waiting for a lift to open. No Change. Brought it in & replaces the Crank & Cam sensors. No Change. Measure voltage to Crank ... Trouble codes: 11 (Ignition reference signal. No distributor reference signal detected during engine cranking.)
2000 Dodge Dakota 3.9L ignition VIN: 1B7GG22X4Y
this vehicle does not shut off after turning key off. i have replaced the asd relay with a new one. only because the very first step i made was to remove the relay to kill the engine and right after that the problem went away after being there for the last mon...
1994 Eagle Talon ES 2.0L No Start VIN: 4E3CF44E2R
This car was towed to us with a no start problem. It looks like they tried replacing a lot of different parts. We started with the basics, we have no spark and no injector pulse, we do have a check engine light that comes on and quickly goes off. There is powe...
1991 Ford F-150 Custom 5.0L idling VIN: 1FTEX15NOM
it just started after i put a new motor in my does not do it all the time. it idles up and down an the the engine dies. but the truck starts back up and then it runs like it haves water in the gas but the motor start to run fine after 15 min. and the...
1994 Ford E-150 Econoline 4.9L abs pump VIN: 1FDEE14Y3R
This van belong to my brother in law. Unfortunately I don't get to work on domestic vehicles very often and don't have access to repair in formation for them.The problem with this van is that the ABS pump runs when coming to a slow stop at times(the wheels are...
1997 Ford E-350 Econoline 6.8L Engine Performance VIN: 1FDKE3050V
Hey Techs!!! Who is familiar with this engine???. Did a number of electronic repairs to this vehicle, with excellent results, but the kicker is, it still has a miss,I'm thinking it has very worn valve guides or seats, otherwise the compression wouldn't be so ...
1998 Ford Expedition XLT 5.4L Transfer Case VIN: 1FMPU18L9W
Gentlemen(And ladies too) Yesterday, customer brought in this Expedition stating that transfer case shifts into 4 low by itself at slow speeds. When I drove it the first time, truck seemed fine. I didn't notice any lights on in the dash and trans seemed to shi...
2001 Isuzu Rodeo LS 3.2L Misfire, MIL Lamp on VIN: 4S2DM58W51
I had a steady missfire on acceleration with a flashing SES light, light on steady @ idle. after poking around and inpsecting spark plugs, boots and coils miss appears to be gone. The p0300 will reset and flash on acceleration, with no apparent missfire. My sc... Trouble codes: P0300 (random/multiple missfire)
1996 Mercedes-Benz S600 6.0L Monitors won't run VIN: WDBCAA76E7
1996 MERCEDES S-600 won't run any readiness monitors. Hello fellow techs, I took in this job because I have a good reputation for getting cars to run monitors and pass OBD2, but this one is eating a lot of my time. The first thing I checked was engine temp...
1994 Oldsmobile Cutlass Ciera 3.1L No Start, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1G3AG55M8R
Vehicle sets a P0341 Very intermittently.Usually on hard acceceleration.Vehicle will stumble then sometimes die.Sometimes it is a no start with no spark present,no code set.Have replaced,PCM,Camshaft sensor,And Both Crankshaft position sensors.Any Idea's? Than... Trouble codes: P0341 (Camshaft position sensor)
1998 Other European F355 3.5L MIL Lamp on VIN: ZFFXR41AXW
Hey Guys, I just need some insight. This Ferrari is OBD-2. The problem is that I tried all of my scan tools and it seems that there is no power at the diagnostic plug to turn on the scanners. Being OBD-2 I should be able to plug in and scan in generic OBD-2 m...
1996 Pontiac Sunfire SE 2.2L Poor Idle Quality, MIL Lamp on VIN: 3G2JB1243T
hello guys, this ones got me stumped. we have a misfire showing on cylinder # 2 and # 4 on the scanner. nothing out of ordinary showing on data besides misfires. fuel pressure is good. thinking ign. module not sure this is my sisters car so i'm working at the ... Trouble codes: P0300
2001 Pontiac Firebird Formula 5.7L Posi Traction? VIN: 2G2FV22G81
Thanks for taking time to read this. This Trans am was brought in by customer with a complaint of no posi traction. I pulled cover off the diff and everything seems good. I looked on alldata but cannot determine whether or not this vehicle even has posi. The c...
1992 Saturn SL1 1.9L sunroof VIN: 1G8ZH5492N
hi to all the techs out there ...i have a huge problem with this sunroof any help would be great came in for an oil change and i opened the sunroof and it would not close a checked the wiring diagram i know it showa a rely i know it's got to be that ...
1999 Subaru Legacy Limited 30th Anniversary 2.5L Valves VIN: 4S3BG6857X
Hi Subaru pros, just did head gaskets on this beast. It started right up afterward but has a tremendous amount of valve clatter. Rechecked timing marks (they're fine. I've done these several times and know how the marks work) and pulled valve covers. With star...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1998 Audi A4 2.8L control arm bushings VIN: WAUGD28D1W
Thanks to all those that responded. The customer wasn't to happy with the outcome of my help request since almost everyone was in agreement that the only way to solve the problem was to replace the control arms. After some hemming and hawing, the customer went...
1998 BMW Z3 Roadster 1.9L Cuts out, Stall, MIL Lamp on VIN: 4USCH7325W
I replaced the cam position sensor and cleared codes. Drove the car several times daily while awaiting the arrival of the O2 sensors, and no problem with stalling or setting any codes. After four days the O2 sensors arrived, installed and drove again several t... Trouble codes: P0420 (Catalyst efficency low bank 1), P0340 (Camshaft position sensor).
1992 Buick Century Special 3.3L alternator VIN: 3G4AG54N1N
good afternoon everyone thanks for all the help and replys, it turn out to be 3 corroded wires coming from the alter to the starter. ther were corroded right at the frame by the radiator . have agood and bless day
2000 Buick LeSabre Custom 3.8L Jerks in to reverse and to drive when cold VIN: 1G4HP54K1Y
Replaced #1 #2 shift solinoids witch helped the hard shifting for about 2 weeks then it started to return so we rec. rebuild thanks for the help from every one
1999 Chevrolet Express 3500 5.7L Converter Clutch VIN: 1GBKP32R0X
Good Day All; Thank you much for taking the time to read our post. Thanks to camdupracing, merkur, PWRSHIFTER, and rjkanary for the replies. I'll respond to each one of you personally when I have more time. As in the original post, the problem was mechanical. ...
1995 Chrysler Town & Country (Van) 3.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1C4GH54LXS
Thanks for those taking the time to reply for my cry for help. Battery corrosion was a common comment on this issue, but not in this case. I found a decent schematic and was able to test for continuity etc. I replaced the PCM with a used unit and all was well ... Trouble codes: 43 (IGNITION COIL 2 Primary Circuit).
2001 Dodge Grand Caravan EX 3.8L 1-2 shift VIN: 2B4GP74L51
good news the van is fixed the bad news the trans had to come back out. the trans shop found the 2-4 clutch housing that has a bleed hole was leaking too much so they replaced it with a earlier design w/o the hole, they also replaced the clutches in the 2-4 wh...
2003 GMC Sierra Denali 6.0L cranking spark knock VIN: 2GTFK69U33
After using a remote starter switch to crank the engine w/o the key, I noticed that there was no spark knock. This would seem to eliminate carbon build-up as a possibility. Knock sensors checked ok, so I sent it to the dealer for a reflash. I am not sure the...
2000 Honda Prelude 2.2L Excessive Emissions, Poor Fuel Economy VIN: JHMBB6141Y
Thanks to everyone for their input. The car is still running the same. Apparently these preludes run at minus 13-16 fuel trims. The high HC reading is still there so I will recommend sending back to the dealer for warranty on the Cat. The help that was offered...
1998 Jeep Wrangler Sport 4.0L Misfire VIN: IJ4FY19S5W
The three codes that I got were all related to the same area of the PCM. I noticed this much and not much more... So I looked closely at the 'A'/ black connector at the pcm. At first I found no visable problems BUT when I plugged the connector back in the jeep... Trouble codes: P0123, P0320, P0505.
1990 Lincoln Continental 3.8L ride height VIN: 1LNLM9748L
Thanks to all who replied. you all confirmed what was thought but could not be verified. This car is from a 'B' lot so one air bag only and it still sits up normal for two days. If anything changes I'll let you know. Thanks again!!
2002 Lincoln Navigator 5.4L No Start, VIN: 5LMFU28R22
Hello All, Sorry for the delay , I wasn't able to get back on this vehicle until yesterday (Fri.).Thanks for the rsponses , I had already verified fuelpressure was good previously , and did try holding the throttle slightly open.Although this did seem to rai...
1986 Mazda B2000 2.0L clutch, transmission VIN: JM2UF1111G
Most everyone agreed that the clutch was not fully disengaging(for whatever reason) causing the rough shifting . Some suggested (2 people) that I replace the pilot brg. That was one of the first things I did and it didn't help.Others suggested the clutch disc ...
1993 Mercury Villager (Van) GS 3.0L Misfire VIN: 4M2DV11W8P
The replys and information I received on this vehicle were all very good and useful. They ranged from checking the ohm's of each injector to verify the possibility of a bad one (which I don't know why I didn't think of) to the possibility of a clogged EGR pass... Trouble codes: 51 (fuel injector circuit).
1994 Mitsubishi 3000GT SL 3.0L plugs VIN: JA3AM64J4R
I am closing this request for now. Car has good spark,fuel, compression and all timming marks are alingned according to specs. Customer has gave me some more time. When i find problem will post a fix. All replies have helped some rechecked every thing several ...
1979 Oldsmobile Delta 88 6.6L radiator VIN: 3L37Y9X197
Thank you all. First of all let me tell you that this is a pet project for one of our tech's own cars. Secondly, the engine builder would not believe that there could be internal leaks in the newly rebuilt engine. After checking everything again. Water flow, r...
2000 Pontiac Sunfire SE 2.2L idiot lights, fuel gauge and tach VIN: 1G2JB524XY
Thanks to all that responded and those that would've if they could've, The answer was, as AJ [...] said, 'the ground connection below the battery negative'. I found and confirmed this fault by observing that there was 1/2 to 2 volts on any ground I checke...
2001 Toyota Camry CE 2.2L MIL Lamp on VIN: 4T1BG22K61
Doug from Minnesota nailed it dead on. The driver in the ECM for the vacuum switching valve on the canister was bad. New ECM and all is well. Here is some interesting info for all of you out there: Toyota has a 14 page TSB on how Toyota EVAP systems work. I ... Trouble codes: P0440 (EVAP control system).
1998 Volkswagen Beetle TDI 1.9L Cuts out VIN: 3VWBF61CXW
Just plain weird, a lot of replies told me to replace the ECM relay which I just told everybody that I had replaced??? Anyway, some replies mentioned CAN bus which I can check with Vag-com but which I don't think applies until around 2000 my. Rob [...], wh...
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