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Prev Professional Automotive Repair Technical Discussions for May 1, 2010
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Help Request Answers
1991 Chevrolet S10 Blazer 4.3L Poor Idle Quality, High oil pressure VIN: 1GNCS18Z7M
Hey everyone. Just a quick question for you guys. I have a 91' s10 with the TBI 4.3 and the complaint is unusually high oil pressure. The pressure starts off at about 40 then after 10 minutes it climbs to 80 under acceleration. While at idle or when off the ac...
1996 Chevrolet C1500 Suburban 5.7L 3rd Gear VIN: 1GNEC16R7T
I am at a loss here and am looking for some input. I rebuilt this 4l60e trans in this suburban,it was burnt up & didn't move. I replaced the converter, & installed a transgo valve body repair kit. The truck came back in shortly after with no third gear. I pull...
2002 Chevrolet Silverado 2500 HD 8.1L Stall VIN: 1KDFGTEKD1
I am changing a crank sensor on this truck and twisting after spraying with wd40 and letting it sit the top of the sensor broke and is still attached. Help how do I get it out? If it breaks all the way then what?
1999 Chrysler Cirrus LXi 2.5L ignition VIN: 1C3EJ56H3X
Hate to bother everyone, but this is a very intermittent, very aggravating no start condition. Good strong crank, but no ignition, no spark. But eventually starts struggling and within 30 seconds fires ups and runs perfectly. Indications of excessive gas (whit...
2005 Chrysler Sebring 2.4L windows VIN: C3EL36RX5N
top of the day fellow techs.I have this 05 kicking my but.Customer brought this in to me saying front passenger side window inopt.After checking for myself i found the window not totally inopt.The window will go up but will not go down from any switch,pass-doo...
2007 Chrysler Town & Country (Van) LX 3.3L Pcm VIN: 2A4GP44R27
First off let me say thanks for taking time to read my request! This vehicle has a 41te transaxle. It came in with no park and will only make a 1-2 shift. Fluid is full and clean. Since the vehicle was brought in by someone other then the driver I'm not sure i...
2001 Dodge Dakota 4.7L No Start VIN: 1B7HG2AN91
WOW! What a piece. Another shop installed new timing chains and guides and it has not run since. I have verified correct timing chain position(by removing radiator, ac cond.,front cover and valve covers)all ok. I installed and reflash used pcm for a p0601 code...
2002 Dodge Ram 1500 Truck 5.9L MIL Lamp on VIN: 1D7HU18Z32
i turned the key off and on 3 times and got a evap code p0443 still cant communicate.i went right for the comm.bus line at the aldl its should have 7.5 volts on pin 2 i have .558 to 1.345 volts, communication will make the volts jump up and down but according ... Trouble codes: P1388 (Auto shutdown control), P0443 (Evap solenoid), P1282 (Fuel pump relay), P1492 (Battery temp volt high)
1990 Ford Mustang GT 5.0L volt guage VIN: 1FACP45E3L
hi every 1. this vehicle was driven in but had to be jump started. volt gauge not showing any charge except when rpm is raised above idle. hooked up battery tester and verified no charge except when above idle. removed, charged and tested battery, no good. rep...
2000 Ford Taurus LX 3.0L AC Compressor
This is going to be a different kind of post basically asking for your opinion. Had this Ford Taurus recently that the a/c clutch was not coming on. It appeared to be a problem with the constant control relay module which they also put on the Escort. I called...
2001 Ford Taurus SE 3.0L Poor Idle Quality VIN: 1FAFP53U12
Hi All this ford came in with mil on. Scanned and found fuel pressure koeoff 25 koeon 29 lbs. replace pump with airtex module, and filter, (pluged bad). after replacement pressure up to 45 koeoff and 39 to 40 koeon. all seemed well. Three days later it's bac... Trouble codes: P0171, P0174
2002 Ford Taurus SE 4-Valve 3.0L rt wheel VIN: 1FAFP56S12
ran car, and right wheel thumps with and without applied brakes. noise is more pronounced when turning to left and loading wheel, remember i replaced axle,hub/bearing,rotors and i removed right cal assembly then road tested with same problem. thanks for info h...
2005 GMC Savana 1500 4.3L No Start VIN: 1GTFG15X95
Towed in-no start.blown fuses for fuel pump and engine1.has been to 3 shops previously with the last shop sending box of fuses with driver.cannot duplicate problem.drove 20 miles with no misfires on monitors or felt while driving. Can not find anyth... Trouble codes: P0200
1991 Honda Accord LX 2.2L fuel pump VIN: 1HGCB7657M
Pump will work when front end is jacked up! NOT level. ???
2001 Hyundai Accent GL 1.6L Starting VIN: KHMHCG45C8
Hello my fellow Iatn'rs, New client, vehicle does not start, has no spark, no fuel pump activation, checked computer grounds and all test fine, i followed the instructions, trace the grounding from fuel pump relay and ignition coils to ECM, all good, check gro...
2002 Lexus LS430 4.3L abs VIN: JTHBN30F02
I have just replaced the yaw rate sensor. Now after i have cleared the VSC light, it has re-appeared and is now giving me code C1336, which states zero point calibration of yaw rate sensor undone. can anyone give me any suggestions on how to calibrate this or ...
1991 Mazda Miata 1.6L Excessive Emissions VIN: JM1NA3514M
Please bear with me because this is my first post. This Miata is a big pain for me. The customer told me that car was sitting in his driveway for 4 years after failing the smog test. We drained the gas, filled with fresh one and have the car tested again - NOX...
2006 Mazda 5 Touring 2.3L Flex plate VIN: JM1CR29386
Good moring all! I really need to get this issue figured out before I lose my job over it... I just rebuilt the lower end of this thing. We sent out the crank for reconditioning, and reassembled it. The problem is the first time I tried to mate the trans to th...
1995 Mercury Villager (Van) LS 3.0L poor power VIN: 4M2DV11W0S
thanks in advance for your help, i have a villager with low power on accell. power brake in drive and vehicle will not exceed 2000 rpm. vehicle will not respond to more air or fuel under this condition. only reoccuring code is a detonation code. feels like res...
1999 Nissan Maxima GLE 3.0L MIL Lamp on VIN: JN1CA21D5X
Car came in hydro locked, long story short it got an auto recycler, mileage equivalent, engine. Car is california emissions. Swapped in the used engine with the cars old harness. Saved all old sensors off the blown engine, coilpacks, crank sensor, cam sensor. ... Trouble codes: P0325 (p1130-), P1130 (p1336-), P1336
2003 Nissan Sentra XE 1.8L Poor Idle Quality, Misfire, MIL Lamp on
this car was towed in with a p0301 misfire code. we thought it would be simple. changed plugs swapped coils and scoped coils and injectors.all four injectors have good waveforms. all four coils have good waveforms. performed running compression test and relati... Trouble codes: P0301
1994 Pontiac Bonneville SE 3.8L cluster lights VIN: 1G2HX52L5R
When i key the vehicle up and turn the running lights on the cluster lights flicker for about one min, then they will stop and act as normal. if i turn the lights off and try to make it act up again it wont, the car has to sit for arond five min off in order t...
2000 Volkswagen Jetta GL 2.0L Excessive Emissions, Poor Idle Quality, Stall VIN: 3VWSS29M21
Hi, every one car came in on hook, needad battery and fuel pump and filter . We installed them all, now car start, very poor idle! when accelerating falling on her face!! reman air flolow sensor did not help, when we disconnecting mass air fllow sensor... Trouble codes: P1128 (O2 sensor)
2001 Volkswagen Jetta GLS 1.8L Headlights VIN: 3VWSD29M71
VOLKSWAGEN TECHS! customer recently bought aftermarket headlight assemblies, a dual Halo projector style. looking at the electrical diagrams, i can seem to pinpoint where the 10 pin conector for the headlight is, and which wiring is for each part. i need to...
2001 Volkswagen Beetle GLS 2.0L MIL Lamp on VIN: 3VWCB21C21
This Beetle came in with the MIL on. Read codes and got P0103. Recorded info and cleared code. About 2 weeks later car was back with the same code. The owner sees no change in performance just the MIL. Alldata first is to check MAF sensor at a idle when warm... Trouble codes: P0103 (Mass or volume air flow circuit high input)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1994 Buick LeSabre Custom 3.8L No Start VIN: 1G4HP52L8R
what i've found is the power wire(terminal "n") going from the icm to the cmp n ckp sensors is shorted to ground i cut the wires at the icm, cmp n ckp and added a new wire to the icm the car starts and runs. the circuit must be a low amperage circuitcause i oh...
1996 Chevrolet K1500 5.7L Drl'S VIN: 2GCEK19R7T
Thanks for the replies. I got a diode from a local GM dealer. and that fixed it. It is to the right of the sterring column,about right above your right knee as you sit in the seat. Thanks again, Jerry
2000 Chevrolet Blazer LT 4.3L No Start VIN: 1GNDT13W0Y
A big thank you to everyone who responded! Most of you were were right on target with the stuck poppet valves in the injectors. We exposed the injectors and listened for a "click" as each one was activated with the Tech II. There was the click but no spray. ...
1998 Dodge Ram 1500 Truck 5.9L Poor Idle Quality, Surge VIN: 1B7HF16Z5W
2001 Dodge Ram 1500 Van 3.9L No Start VIN: 2B7HB11X81
The 3rd computer from the dealer cured the problem, it is hard to believe but the original & the first 2 computers from the dealer had a bad coil driverin them. The truck ran with the 3rd computer but I tried to run the coil test with the drb3 and it would not...
2002 Dodge Ram 3500 Truck 5.9L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 3B7MF33C32
I wish this headache was fixed but it is not. I still have the intermittent stalling issue, only when the engine is cold. Several of you suggested checking the charging system (13.6v running, .2V a/c max. ripple) so I do not believe this is a problem. If I ... Trouble codes: P1475 (5V circuit too high), P1488, P0562, P0563, P0237, P0606.
1992 Ford Explorer XL 4.0L Engine VIN: 1FMDU32X9N
first i would like to thank everyone who added comments on this vehicle,after i finally got the truck running and it overheated almost immediatly,and after that it would not crank again,pulled radiator cap and spin engine and could se combustion gases in the c...
2003 Ford E-350 5.4L MIL Lamp on, runs rich bank 1@2 VIN: 1FBSS31L33
thank you to the 5 responses I received, it turns out that I had installed a bad maf sensor, it was a ford reman. One of the things that really gave it away was when I unplugged the maf sensor the fuel trims were good. Then I tried a known good sensor from ano... Trouble codes: P0172, P0175.
2004 Ford F-350 Super Duty XL 6.0L Hesitation VIN: 1FTSX31P44
Lots of good replies, after talking to the customer when he came to pick it up, he said all of his trucks have no power cold and he lets them idle for 15-20 minutes to warm up, he did mention about the flashing and I told him that everything is the lastest and...
2007 GMC Sierra 1500 Classic SL 4.8L Poor Idle Quality, Cuts out, Stall, Misfire VIN: 1GTEC19V97
well all I went to the shop this morning, removed the valve cover and found cyl # 3 exhaust spring broken, I've driven a lot of GMS with high miles and never had a problem, crazy! this truck is still under drive train warranty , so to the dealer it goes. Thank... Trouble codes: P0300 (multiple misfire).
2005 Infiniti G35 X 3.5L Compressor VIN: JNKCV51F25
Problem turned out to be corroded wires in harness to ac pressure sensor. Repaired wiring and ac works normally
1999 Jaguar XJR 4.0L ABS/ Traction Ctl. VIN: SAJPD1849X
Finally fixed!!! Thank you so much for all your help,I like to personally thank everybody, Brian, Richard, Damon, John, Brad, Dana, Robert, Paul,some members responded from the UK, Japan and Australia!!, I hope I didn't miss any names, please don't be offen...
1998 Mercedes-Benz C230 2.3L All Doors VIN: WDB2020202
Hi Guys, Thanks for all the help,I found a problem with the CAN connector(slight corrosion) repaired it and central locking has not stopped since.I am fairly sure this was the cause,Thanks again a great network, David,
2005 Mercedes-Benz C230 Kompressor 1.8L Poor Idle Quality, MIL Lamp on
Ok, this Mercedes is fixed. When looking more closely at the cam timing. I found it was off. The shop that did the original work did not set it correctly. A funny thing I noticed was, if you turned the engine over opposite it's normal rotation, you will sla... Trouble codes: P2054 (camshaft adjuster).
2005 Mini Cooper S 1.6L steering angle plausibility VIN: WMWRH33475
Well I was able to fix this without parts. The DIS system isn't as friendly to operate as the autologic. Autologic makes it preety easy to realign a steering sensor. Were It took me a while to find. I had found one menu with it but the tool would not let m...
1989 Pontiac Firebird 5.0L No Start, MIL Lamp on VIN: 1G2FS21F7K
Many thanks for all the replies. I managed to flash a code for CTS(15) and found bad connections in the CTS, also the sump was full of oil mixed with fuel and spark plugs were very poor, changed oil and plugs and started first time. Many thanks again Andy ...
1986 Porsche 944 2.5L Battery VIN: WPOAA0945G
Sorry to take so long to close this request. I have been awaiting a long enough period to pass to confirm my FIX. A large number of the replies kept pointing me back to the battery, which was a recent replacement by the customer. Finally, I began to test the b...
1989 Porsche 911 Carrera 3.2L Spark VIN: WPOEB0912K
The fix for this car was, as the majority of the replies stated, the DME relay. One thing I did prior to replacing it was to tap the relay every time the car failed to start, which it did twice before I got around to making the swap of relays. Since I had to m...
2003 Saturn Vue 2.2L Converter Lock-Up VIN: 5GZC43D53S
i beleive this nightmare is now over, drove it for the passed two days and no check engine light, the valve body fixed the problem, thank you all for your help and for future references, if you ever get a saturn vue with cvt transmission, just let it go beleiv...
1998 Subaru Forester L 2.5L Poor Idle Quality, Surge, Poor Fuel Economy, MIL Lamp on VIN: JF1SF635XW
one of the exhaut valve seals was droping out when warm, also always put the timing belt on in the clockwise fassion or it will loose time on the right bank. thanks to all who responded and tried to help with my problem
1999 Volvo C70 2.3L body VIN: YV1NC56D8X
Everything is working now and no codes. The silver bullet for me on this one was getting the Manual from Volvo which is still available for the 98 year,and gave me a better understanding of how it works and desciption of calibration process,thank you Art.Vida...
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