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Prev Professional Automotive Repair Technical Discussions for May 4, 2012
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Open Help Requests for All Makes and Models
Help Request Answers
1999 Audi A4 2.8L cruise control VIN: WAUED28DXX
Hello everyone. the cruise control on this audi does not work. have tried 3 different used cruise control modules and none of them seem to work. i have checked all the powers and grounds of the module and have checked all wiring in between the module and the s...
1992 BMW 735i 3.5L Dk Switch VIN: WBAGB431XN
Customer took his 92' bmw 735i to dealer and they printed out a printout for the central locking system. The message reads "replacing the dk switch for the transmission" must be performed. Now is the "dk switch" the kickdown cable? or what part are they actual...
1999 BMW Z3 Roadster 2.5L Battery VIN: 4USCH9330X
thanks for reading this one guys ,every 3 Days battery is dead test for draw 2.55 amp draw right away after 20 min or so 1.75 amp draw that toggles to .30 amp for about 1 min then back to 1.75 amp in 1 min back to .30 amp and so on after 1 hour still continues...
2003 BMW 325i 2.5L MIL Lamp on VIN: WBAEV33423
Need some insite from my Euro brethern. Thanks for taking the time to hopefully chime in regarding this problem. No obvious drivabilty problems. The P1500 (modis 211) keeps resetting every few days. In addition, we are getting a 5E19-CAN: data error from DME\D... Trouble codes: P1500 (Idle speed control motor modis codes is a 211), 5E19
2005 BMW X5 3.0i 3.0L Fuse VIN: 5UXFA13585
Hey Guys, hope you can help me with this one. Car came in with the A/C display inop. Found Fuse 48 blown. Replaced 7.5 amp fuse and blew right away. Checked bulletins and found one for possible chaffed wires around Instrument panel bracing. Removed lower panel...
1999 Chevrolet Astro 4.3L power steering VIN: 1GNEL19W3X
power steering makeing noise at idle and low speeds from inside vehicle appears to be comeing up from steering colum and when brake applied steering is hard turning from left to right .when brake not applied steering feels ok grouning noise doese not change .s...
1999 Chevrolet Blazer 4.3L No Start VIN: 1GNCS13W4X
I drove the truck into the garage and replaced the blower motor. It required me to remove the ECM to gain access. When I put it back together, it wouldn't start. I did the 30 minute passlock relearn 10 times but no luck. I realized that I forgot to disconne...
2002 Chevrolet Trailblazer LT 4.2L MIL Lamp on, Won't accelerate
These 2 codes were in the system and wouldn't clear. Checked according to flow chart and it says the pedal position sensor is faulty. Replace sensor and problem still exists. When looking at pedal position sensor voltages one is at 4.96v and the other is at 5.... Trouble codes: P1271 (Excessive Difference between pedal position sensors), P1275 (Accelerator Pedal position sensor circuit 1)
2006 Chevrolet Equinox LS 3.4L range sensor VIN: 2CNDL23F16
Vehicle is an 06' chevy equinox. Intermittently sets a p0705 in the tcm.Transmission defaults to 3rd gear and traction light comes on. This is the 2nd trip to my shop for this issue. This suv has an asin 5spd auto transmission and a stand alone tcm. This time ...
2007 Chevrolet Silverado 1500 WT 5.3L Shifts VIN: 2GCEK13M77
This silverado awd came in with no forward movement in d,or 3. If manually shifted in to 2 or 1 it will drive, and you can manually upshift into 3rd. In 3rd it slips, and nothing in od. If you come to a stop, it will not move again unless you again pull it int...
2005 Dodge Durango SLT 5.7L Stall VIN: 1D4HB48DX5
Thank you in advance for the help. intermittantly this will stall when performing parking lot type speed and turning. the throttle bore was filthy so i cleaned it, but still happens. i am under the impression that fly by wire does not use iac motors? thats the...
2005 Dodge Neon SXT 2.0L Cuts out, Stall, Misfire VIN: 1B3ES56C55
Hello fellow Tech's everywhere this is my moms car and this time it has 3 codes. Is it normal to have oil on the sensor? I assume it is because it has a seal on the sensor.I am unemployed right now and don't have access to a scanner to look at wave forms. Has ... Trouble codes: P0344, P0340, P0300
1987 Ford F-150 Custom 5.0L Serpentine Belt squeal VIN: 1FTEF14N8H
We've worked on this truck for several years and have rebuilt it from front to back. Last December it came in with an ignition switch problem and the serpentine belt was squealing when the clutch was applied. I repaired the ignition switch and put a belt on. T...
1991 Ford F-150 Custom 5.8L Hesitation, Cuts out VIN: 1FTEF14H1M
OK everyone, my first help request. This problem got handed to me today and it has eaten my lunch! The truck had a constant mis, they checked compression and found low compression on three cylinders, so the engine was replaced with a reman 5.8. The A.I.R. pump...
1995 Ford Explorer Eddie Bauer 4.0L No Start VIN: 1FMDU34XXS
Hey everyone so this vehicle was towed in my shop no start. Tested spark good spark at all cylinders, checked fuel, no fuel pressure. check for voltage at fuel pump has voltage for [...] then none, in denial of puting a new pump but did after all. Still no ... Trouble codes: 542 (Fuel pump circuit open)
1997 Ford Windstar GL 3.8L MIL Lamp on VIN: 2FMDA5143V
Hi Guys this van come from another shop that replaced the head gaskets and could not get the code to stay off to pass inspection. When it came to my shop it had code P1151 so the first thing I did was smoke the intake and found a leak around cyl# 4 port, remov... Trouble codes: P1151 (Lack of HO2S-21 Sensor indicates lean)
2005 Ford Escape XLS 2.3L lack of power VIN: 1FMYU92Z95
Got this Escape here. Originally had plugged cat replaced at dealer under warranty for being restricted. Exhaust is now showing no backpressure. This thing accelerates as if someone clamped the exhaust completely shut. In fact if you pull the truck in the shop...
2006 Ford F-350 Super Duty XLT 5.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTWF31586
Truck came to me with misfire after coming to stop, obviosly skipping, felt like plug or coil bad. Mil was not on, mode 6 data showed misfire on #8 cylinder. Replace coil and spark plug, still the same, swaped injectors #5 with #8. Still misfires on #8. Check ... Trouble codes: P0308 (8 misfire)
2010 Ford F-150 FX4 5.4L Hesitation, MIL Lamp on VIN: 1FTFW1EV2A
Hi, I very confident I need to replace the Electronic Throttle Body for this condition. My only concern/question is - does the ETC need to be programmed after replacement? Don't want to put myself in a awkward position. Thanks for the help Best regards Trouble codes: P2135 (P2111- Throttle Body Stuck Open), P2111 (Throttle Body Stuck Open)
1999 GMC K1500 Suburban SLE 5.7L Driveshaft VIN: 3GKFK16R6X
We have a 99 4X4 GMC Suburban that is making noises. The history is as follows: 1.) The noise is a rattle / ratchet coming from the xfer case and/or the differential. 2.) The front driveshaft was replaced (by another shop) and the noises started. 3.) The fron...
2009 GMC Savana 3500 6.6L Ac VIN: 1GDJG31699
2009 gmc g3500 middle and left side vents blow hot air while the one far right blows ice cold air, local dealer reset hvac system. It only has one hot/ cold actuator our dealership says. I can remove the actuator and close the door and still no change. Is ther...
2003 Honda Element EX 2.4L rear suspension VIN: 5J6YH28553
Vehicle came in with loud klunk from rear when going over bumps.The only obvious problems where stabilizer link and bushings.Anything common on a Honda Element?
2006 Honda Civic LX 1.8L Engine block VIN: 1HGFA16506
Does anyone know if this block can be welded it is alluminum and pin holes seem to be right at water jacket or is there some chemical i should use before replacing the engine Thank you for any help
1997 Jeep Wrangler Sport 4.0L turn signals, dimmer circuit, parking lights, VIN: 1J4FY19SXV
I need help on this one. Not to savy when it comes to wiring. I have this Wrangler in the shop. Everything works well until you hit the brakes. Then the interior lights come on, all the parking light illuminate, the left turn signal will not work and the hazar...
1997 Lincoln Town Car Signature 4.6L control VIN: 1LNLM82W2V
Ac inop checked freon level Compressor not powering up went to relay box no power at term. 30 checked both pressure switches low to be nomarmly open high to be norm. closed switches seem ok can power up clutch and compressor works if I pull relay and power up ...
1981 Mercedes-Benz 380SL 3.8L Blower amd Temp control VIN: WDBBA45A88
This car has two main problems. The first is the blower motor. It works on defrost and the temperature goes to hot like it is supposed to, but when you put it on Auto lo or Auto Hi the blower does not come on. It will come on if you turn the ac switch to on an...
1999 Mercedes-Benz CLK320 3.2L Key VIN: WDBLK65G0X
Mercedes benz gurus here s one car was towed in after customer took door panel off he assumed battery was dead tow truck driver did try to jump start car car did not start at that point we tested battery it was dead removed battery put in new battery still no ...
2003 Mercedes-Benz C230 Kompressor 1.8L Engine VIN: WDBRN40J53
Came in with an occasional check engine lite on...misfire code and oxy sensor...discovered oil blowing from fill cap, and area around front plugs pooled oil at manifold...engine runs good...misfire under 15 counts the pcv valve, which other than mechanical pro...
2000 Mitsubishi Galant ES 2.4L Poor Idle Quality, Cuts out, Stall, Misfire VIN: 4A3AA46G5Y
2000 Galant was towed in for poor idle and rpm would not raise above idle. I started vehicle and it started up OK. Road tested vehicle, and it was fine. CEL was illuminated, so I scanned it and it gave me a code of P0340 Camshaft Position Sensor Fault. I Repla... Trouble codes: P0340, P0300
2001 Nissan Maxima GLE 3.0L high idle speed VIN: JN1CA31D01
Dear techs. I have this maxima with code P0505 and high idle speed i cant figure out.i did testing per mitchell on demand on this code. replaced iacv and still have the same problem. high idle speed. after performing idle air volume relearn it idles to spec. b... Trouble codes: P0505 (idle speed control solonoid)
2006 Porsche Cayman S 3.4L Stall, MIL Lamp on, Hot start/Hot soak VIN: WP0AB29876
The car runs great. First fuel fill up, it started/stalled 3 times. When the engine did start it ran rough for approx 4 minutes cleared up and ran fine (no light at this time). The next day when driving check engine light came on with code P2189 for remainder... Trouble codes: P2189 (System Too Lean at Idle)
2004 Subaru Impreza WRX STI 2.5L Front wheels
Attention Subaru Guru's! I'm dealing with a 2004 WRX STI that torque steers to the right under hard accel. The owner hasnt had it very long so there is really no service history. At coast, cruise, or very light accell this car tracks dead straight. Put your fo...
2006 Suzuki Forenza Premium 2.0L No Start VIN: KL5JD86ZX6
vehicle was towed here with a no start problem customer stated that the car shook and acted like it might start, but didn't. It started after it arrived here. The next am, it started ok, I shut it off and restarted it. it cranked, chuggled and started after mo...
2007 Suzuki Grand Vitara 2.7L Surge, No Throttle VIN: JS3TD94107
This is the first Suzuki we have had in the shop and it came in with no power and the Check engine and ESP lights on. The computer is seeing a problem with the throttle control motor right away and the code comes back on even before you start the engine. We ... Trouble codes: P2101 (Throttle Actuator Control Motor Circuit Range/Performance)
1990 Toyota Camry DLX 2.0L fuel pump VIN: 4T1SV21EXL
This car is driving us crazy. First of all it was towed in due to a no start. found no spark and no injector pulse. found no signal coming from distributer. replaced distributer and now have spark and injector pulse will start if we energize the fuel pump but,...
2006 Toyota Tundra SR5 4.7L Misfire, MIL Lamp on VIN: 5TBET34196
Hello every one, i have here a toyota tundra that has this recurring P0302 #2 cylinder misfire code. Vehicle road tested and it does have a misfire which gets more pronounced when its driven for like over 10 minutes. The injector was changed on #[...] and...
2000 Volkswagen Jetta GLS 2.0L compressor VIN: 3VWSA29M5Y
Customer came in with inop a/c. Checked pressures 110 over 110 high and low.A/C compressor does not engage.The engine surges everytime the a/c is triggered to apply the clutch.The clutch has a good ground and is supplied power for a split second everytime the ...
2002 Volkswagen Beetle GLS 2.0L Compressor VIN: 3VWCK21C82
After repairs completed center vent temp at 37 f. Car returns 2 days later, blowing warm air and compressor working. evac and recharge showed no leaks. Car intermittley blows warm. Unabable to reproduce in shop so all pressures are when system is cooling norma...
2008 Volkswagen Beetle S 2.5L Starting VIN: 3VWRG31C88
I have a fully updated 5052 with a current GEKO certificate. The tech who knows how to adapt the keys is out. I am stuck. Where do I get the "Customer personal identification number"???
2004 Volvo S60 2.5T 2.5L ignition coil VIN: YV1RS59V24
This came in as a no start after the customer said it was misfiring on his way to work. I told him to drive it to me but he didn't make it had to tow it. The #1 coil is physically burnt and it will not start. I haven't got very much experience with Volvos so a...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2000 Acura TL 3.2L Excessive Emissions, Poor Idle Quality, MIL Lamp on VIN: 19UUA5668Y
Here is what I did. Roger (from FL) sugested smoking the intake. I found a small leak at one of the aux. air valve o-rings on the intake man. Since I had the plentum off to replace the o-ring I went ahead and adjusted the valves. Many of you sugested this but ... Trouble codes: P0131 (O2 low volt.).
2007 Audi A6 Quattro 3.2L Fuel Rail VIN: WAUDH74F47
2006 BMW 325Ci 2.5L MIL Lamp on VIN: WBABV13486
Thank,s all the repls! this bmw has been serviced by bmw less than year ago. he will take back to bmw again. thank,s again all the helps! Trouble codes: P2567.
2007 BMW 335i 3.0L engine VIN: WBAVB73507
Thank you all for your requests!! When we duplicated the problem again and pulled the plugs we noticed oil on them. We proceeded to check the turbocharger (inlet & outlet) - ok -. Againg performed slack tube manometer testing - ok - (valve cover & check ...
1999 Buick LeSabre Custom 3.8L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Poor Fuel Economy, MIL Lamp on VIN: 1G4HP52K7X
Install a maf from different supplier. Just another case of sticking to your diagnosis. Don't second guess ur self with aftermarket parts. Next time going to install own only. Trouble codes: P0102.
1998 Chevrolet Blazer 4.3L No Start VIN: 1GNCS13W5W
Hello everyone, And thanks for all of your help/posts/information - after checking the fuel pressure and getting 55 psig (which most mentioned was a bit too [...]) I ended up making a tool to check the residual pressure after shut off and see if the pressure is...
2001 Chevrolet S10 4.3L Misfire, MIL Lamp on VIN: 1GCDT19W91
OK, good news is that the misfire is internal. Cylinder leakage test showed 15% loss on cylinder 1. GM warranty is replacing the engine and paying us to do so. Thanks for all of the replies, and support. Trouble codes: P0300.
2002 Chevrolet Suburban 1500 LT 5.3L Starter Relay VIN: 1GNFK16Z82
Thanks for all the help. Broken wire leading from Neutral safety switch to Starter Relay. Wire up inside the harness where the 2 NSS plugs merge together & enter the main harness. Replaced 4 pin NSS switch plug & repaired harness fixed all issues.
2004 Chevrolet Astro 4.3L Fast Idle VIN: 1GNDM19X84
I wasn't able to fix this one. There were no vacuum leaks and the TPS swept fine as did the gear indicator. The customer has just decided to live with it rather than having me dig into it further. Thanks again for your time!
2005 Chevrolet Equinox LS 3.4L Engin VIN: 2CNDL23F55
Thanks for all the tips. I flushed the crank case changed the oil.Started this morning with no lifter noise. Did a pressure test 40 psi at idle.
2002 Chrysler Sebring LX 2.7L No Start VIN: 1C3EL45R42
Thanks everyone for your input. So, we checked cam timing and trigger wheels and compared the new one to the old one. everything matched up. we tested wiring, tried new cam sensors and still couldnt get it to start without disconnecting the cam sensor. finally...
2007 Chrysler Pacifica Touring 4.0L pressure VIN: 2A8GM68X27
It ends up that after trans got good and hot the actual & desired line pressure did not match. The customer decieded it is time to trade it in.
1999 Dodge Ram 3500 Van 5.9L No Start VIN: 2B5WB35Z7X
The ECM was returned to the repair shop and after trying 3 times to repair it they eventually got another core to rebuild and that fixed it. Thanks
2005 Dodge Grand Caravan SXT 3.8L 1-2 shift VIN: 2D4GP44L95
Thanks everyone for the replies and advice. It was an internal transmission problem. We do not rebuild trans here, so I installed a rebuilt Jasper unit. Before I installed the trans I did try two speed sensors, just as a last resort, they did not make any diff...
2007 Dodge Ram 3500 ST 6.7L compressor VIN: 3D6WH48A47
A new fan clutch fixed the problem. I never did figure out exactly how to diagnose the clutch. But thanks to those who offered advice.
2007 Dodge Ram 3500 ST 6.7L compressor VIN: 3D6WH48A47
A new fan clutch fixed the problem. I never did figure out exactly how to diagnose the clutch. But thanks to those who offered advice.
1992 Ford Mustang GT 5.0L Stall
I feel like a complete idiot on this one.The MAF sensor was out of the main air stream. Now, it would run like this, IF the sensor was good. Replaced the MAF sensor, placed it in the air intake hose. Runs perfect.Thank you for all of your help.
1998 Ford Windstar GL 3.8L Tcc VIN: 2FMDA514XW
Thanks for the replies guys,I had gotten so turned around on this van that I was missing the fix. Alex you where right move the stupid wire, I read your post after I had already fixed it but you where right. Evidently somewhere along this vehicles life the eng...
1999 Ford Windstar SE 3.8L Eng VIN: 2FMDA5244X
i replaced the sensor & the shaft cleard codes truck is running good now thanks to all .
2002 Ford Expedition Eddie Bauer 5.4L shocks VIN: 1FMFU18L82
Hi Group Carl was right on. I disconnected the el. connector the air line then the solenoid, easy when you now how to do it. Deflated the system, changed all for shocks, inflate the system check for proper operation, test drive all good an other happy custome...
2002 Ford Expedition XLT 5.4L Starting
OK, so after several days of messing around with this thing we tested all circuits going to the PCM and pretty much ruled that out. On the advise given by some in this forum I replaced the PCM relay and that seems to have fixed the issue. It really made sinc...
2004 Ford F-150 FX4 5.4L Valve Train VIN: 1FTPW14514
Well Huge Thanks to all who replied! Taking in to consideration oil condition when vehicle came in and low on oil, I did put a manual oil pressure guage on and found awsome pressure at cold start 60+psi, but after oil got hot pressure dropped to 22psi. So I st...
2004 Ford Crown Victoria Police Interceptor 4.6L Suspension VIN: 2FAFP71W34
I have not been able to fix this car yet, I checked all the mounts etc. Hopefully i will have more time in the future to figure it out. Thanks to all that replied
2007 Ford Explorer XLT 4.0L Hvac VIN: 1FMEU73E67
Thanks guys, especially Dan for your persistence on the check valve. That was the problem. We had another Explorer and I swapped out the valves. Big difference. It was more of a vacuum leak sound than a anything. Thanks again guys.
2008 Ford Taurus SEL 3.5L Check Engine Light On VIN: 1FAHP24W68
Cleared the codes and sent her on her way. No phone call yet. We are going to call it fixed.
1984 Honda Prelude 1.8L Excessive Emissions, Poor Idle Quality, Misfire VIN: JHMAB5220E
after carb replacement and subsequent still running rich all carb controls (power valve, bowl vent,etc. were tested and i ended up at the frequency solenoids. after posting my request i found another test for the feedback solenoids and in the process of doing ...
2004 Isuzu Axiom S 3.5L MIL Lamp on, Lack of power VIN: 4S2DE58Y54
2007 Lexus RX350 3.5L Engine
I took the vehicle to Lexus and explained the situation. They could not cover it under warranty without corporate approval. First I was offered parts only. I said no. It was taken to a higher level and after much 'persuasion' on my part and our local deale...
2006 Mazda 3 i 2.0L Poor Idle Quality
Hi thanks all for your responses, they helped me come to a descision as to what to do with the vehicle. Being a one man business with no Mazda dealer next door, I chose to not take on the job given its possible complexities & difficulties obtaining anxcillary ...
2007 Mazda 3 S 2.3L radio, trip odo
Thanks to those that helped out with this one. I did find corrosion under the under hood fuse panel. Fixed and gone!
2007 Mazda RX-8 1.3L Excessive Emissions, No Start, Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on VIN: JM1FE17337
Marty and Fernando hit it on the head. Marty's method to check it also is simple and worked great. Replaced all 4 coils and wires. Had to add trans fluid to get rid of the flooding but it ran fine after repair. Thanks for all of your time Trouble codes: P0302 (Missfire Cyl 2), P2504 (Charge Voltage High), P0506 (Idle Air Control).
2008 Mazda 6 i 2.3L 2-3 shift VIN: 1YVHP80C08
the trans shop picked the car up and they plan to put a differant unit in, were sure there is a loss of pressure somewhere in the trans pos the bore for 2-4 band piston thanks for all who helped
2000 Mercedes-Benz S430 4.3L a/c compressor
Thank you all out there for the replies. this one wasa killer went throughout this car did all the test pulled all kan wires still a/c inop repaced sensor no help was going to condemned controller but don that be for with no fix so some saide sam left and righ...
2003 Mercedes-Benz SL500 5.0L radio VIN: WDBSK75F83
replaced radio all is fine it is an internal system thanks for the help
2003 Nissan Sentra GXE 1.8L No Start, Cuts out, Stall VIN: 3N1CB51DX3
Thanks to Adam [...]. A picture is worth a thousand words. Found the sensor and replaced it. All is good now. Think the previous instructions I got about the cam and crank sensor being the same meant it was the same part number not the same part on the c... Trouble codes: P0335 (Crankshaft/Camshaft sensor).
1988 Oldsmobile Cutlass Supreme Classic 5.0L Washer Pump Cover with Circuit Board VIN: 1G3GR11Y4J
Thanks for all the info folks. Great big help. We put a "universal" on it and wired it up and all is well. The suggestion to check with the AC Delco supplier that had it came after we determined tat we would wire the universal in place. Thanks again. M E
2002 Oldsmobile Bravada 4.2L No crank VIN: 1GHDT13S02
Thanks for all the help. After 8 or more times of relearn it runs.All the tips helped. I still have to learn what started all this but at least it runs
1974 Pontiac Grandville 7.5L convertible top VIN: 2P67W4X145
Thanks for the help to all that replied. I did not know that there was a vintage section on Ondemand. However, it did not provide any help whatsoever. I did call Mitchell. They told me they would call me back with the information, but they never did. I ran out...
2006 Saab 9-3 2.0T 2.0L Programming VIN: YS3FD49Y16
The customer is still on the fence on this. He sent the ECU back to the rebuilders to see if they can get the initial program right. I asked him to see if the other shop still has the original CIM and keys, so that might be an option depending on why they re...
2000 Toyota Solara SE 3.0L auto a/c VIN: 2T1CF28P1Y
Thank you for the replies, the fix was the ECT in the engine. Toyota makes an obscure reference to checking engine coolant level, but does not show the ECT as an input (that we found anyways). Like many fixes, it all makes sense now. The customer will probably...
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