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Prev Professional Automotive Repair Technical Discussions for August 3, 2013
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Open Help Requests for All Makes and Models
Help Request Answers
1991 Buick Regal Custom 3.8L radio VIN: 2G4WB54L1M
this car came in for an intermittent brake light and turn signal inoperative. determined that the cancelling cam in the steering column was the problem. replaced it. the customer returned complaining that the radio controls on the steering were not working.fig...
2005 Buick LaCrosse CXS 3.6L Engine VIN: 2G4WE53775
Hey all, Vehicle came in for pressure test of cooling syatem. Customer said was driving on interstate and message appeared on dash informing her of a/c being shut off to protect engine. She than noticed engine temp gauge near the red and got off at the neares...
2002 Chevrolet Impala 3.4L bcm VIN: 2G1WF52E12
Replaced BCM because of the typical flashing lights, dash lights irratic,etc. Did the set-up on the reman BCM with Autel Scanner. Did the relearn on pass-lock and the vehicle started fine. However now the dome light dosen't work with the door switch--it does w...
2004 Chevrolet Silverado 3500 8.1L Hesitation, Misfire VIN: 1GCHK33G24
this is my brothers truck and it's really kicking my rear. the truck runs fine all the time, but as soon as you give it full throttle and it hits 3500 rpm, it as if a rev limiter kicks in. after first scanning for codes, I got a code P0300 and P0303. I check f... Trouble codes: P0303, P0300
2003 Chrysler Town & Country (Van) LXi 3.8L return line VIN: 2C4GT54L03
This van keeps blowing off the return power steering line at the power steering cooler. New clamps were installed and it keeps blowing off the hose. Is there anything I can check before I buy factory lines and clamps for this? I saw a tsb but didn't see anythi...
2002 Dodge Dakota SLT 4.7L Crankshaft tone ring VIN: 1B7GG42N12
Hello techs! This ones a doozy. We swapped in a used low mileage 4.7 from a wrecked 2003 Dakota and when we tried to start it back fired and blew the back of the intake manifold off! We have the other ECM and harness. So can we just swap those and make it work...
1987 Ford F-250 XL 7.5L Cuts out VIN: 1FTHX2XHKA
Truck came in here last month with 2 bad fuel pumps. Yes it has 31000 actual miles and is in new condition. Customer had 2 fuel pumps with hangers installed just over one year ago. Pumps were Napa ( carter?) One tank was replaced with new. Customer put less th...
1989 Ford Bronco II Eddie Bauer 2.9L no power VIN: 1FMCU14T6K
pulled truck into shop no start,checked fuel pressure,noid spark, truck had not run fore 6 month's checked gas would hardly burn,bad gas. put in 5 gal fresh gas finally got it to run with propane.It will run then stall or race or surge what so ever it decides ...
1990 Ford F Super Duty Custom 7.3L No Start, Cuts out VIN: 2FDLF47M6L
Not too familiar with diesels. When the truck is driven for a while, it won't restart. There's fuel coming out of the test port on the filter housing, but when I crack open a line at one of the nozzles and crank the engine, nothing comes out. If the truck sits...
2001 Ford Focus ZX3 2.0L MIL Lamp on VIN: 3F1054329A
hi all, i got this focus that is giving me a headache. came in for a check engine lite. pulled codes and got a p1120 tp voltage low. looked at data with the scanner and tp voltage with throttle closed is .40 volts. spec is above .49 and below 1.12. so its out ... Trouble codes: P1120
2006 Ford E-450 Super Duty 6.8L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 1FDXE45S96
I have this econoline van that I don't know what to do with. It has injector codes for 1-4, and sometimes misses on all four cylinders, other times it's fine. If you look at the wiring daigram, you will see that these cylinders have their own "leg" off the spl... Trouble codes: P0201 (p0202-), P0202 (p0203-), P0203 (p0204-), P0204
2007 Ford E-150 5.4L Poor Idle Quality, Hesitation
The truck came in with a complaint of running bad after going through a puddle of water. I found a miss fire P0302, and the contribution test on the verdict showed missing while accelerating from a stop on cylinders #2 and #6, also we found water in #2 spark p...
2007 Honda Odyssey EX 3.5L door locks, keyless entry, turn signals, high beam VIN: 5FNRL38667
This is my wife's van and it worked fine until this morning. Keyless entry inop, then found electric door locks inop from either front switchs. Wipers only work on low speed, low beam lights work but turn signals and high beams inop. Checked all fuses under ho...
2004 Hyundai Santa Fe GLS 2.7L Ecu VIN: KM8SC73DX4
Vehicle was driving fine had a sudden stumble cleaned up and drove fine again 10 minutes later arrived at destination, turned engine off 5 minutes later would not start. Tow to shop and start to Diagnose No Spark at Plugs No Pulse at injector, No Power at ECU ...
2003 Jeep Liberty Sport 3.7L Rear Wiper VIN: 1J4GK48K53
When looking at live data, rear wiper switch position will say on when in the off position. Sometimes will say off for a second and then go back to run. The rear wipers will run at the normal speed, not the intermittent speed.
2000 Nissan Maxima GLE 3.0L starting VIN: JN1CA31D0Y
Good evening i have this 2000 Maxima that does not start. I have 125psi on all cylinders, excellent spark and injector pulse. Codes present are P1320, P1131 and P1165. I went through the system but cant seem to find anything. I'm stumped. Any and all help will...
2000 Saab 9-3 SE 2.0L convertable top VIN: YS3DF78K7Y
Oh Boy please help me with this one, I had this saab 9-3 come in with leaking convertible top piston rams. I removed the rams and sent them out for repair. Upon return I installed them but I cannot figure out how to bleed them, I have tried everything and foll...
2000 Toyota Sienna LE 3.0L Excessive Emissions, Misfire, MIL Lamp on VIN: 4T3ZF13C5Y
Got P1130 and P1135; quickly assumed that due to mileage and codes the sensors should be replaced. Wondering if I am overlooking anything prior to replacement; any advice would be appreciated. Have a good weekend! Trouble codes: P1130 (Air Fuel Ratio Sensor No. 1 Bank 1), P1135 (Air Fuel Ratio Sensor No. 1 Bank 2)
1999 Volkswagen Jetta GL 2.0L Starter VIN: 3VWRC29M9X
Car won’t crank when turning the key to the start position. If I put the key in the on position, I can jump the car with a wire from the starter to the positive terminal of the battery and the car runs and drives normally. I believe the car is in disable mode ...
2003 Volkswagen Passat GL 1.8L Unknown VIN: WVWMD63B63
Hello everyone; this Saturday turned out to be busy for me and my mechanic leaves early today... Well, I have this 2003 VW Passat which is a regular customer and we always do work on his vehicle. The vehicle shuts off intermittently and the customer had us re...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2002 BMW 525i 2.5L MIL Lamp on VIN: WBADT43402
Sorry it took so long. I have to say thank you to everybody,. The car is fixed. Finally I had the DME replaced, the tech at the dealer s aid that most likely was loosing the throttle signal at the DME. Previously I replaced the air flow meter with a known goo... Trouble codes: P1500, 76, (118).
2008 Chevrolet Express 3500 6.6L MIL Lamp on VIN: 1GBJG31648
turns out that this was covered under the warranty so it went to the dealer who fixed it. some wired had rubbed through and were shorting to ground pulling the 5 volt reference low. the tech told me that the wires were on top of the motor on the drivers side. ... Trouble codes: P0401, P0698.
2001 Dodge Ram 2500 Truck 5.9L no power VIN: 1B7KC23641
checked everything others suggested. truck makes no sense sent to engine builder to have their drivability tech diag they found that the instrument cluster was bad but replacing it did not solve hp problem. they are know sending it to dodge dealer with a Cummi...
2005 Ford F-150 FX4 5.4L surging while driving VIN: 1FTPX14555
OK so after 3 broken plugs and 2 new coils truck runs like a champ. Sorry it took so long to get back with a solution just wanted to make sure customer was fully happy with the truck before I posted the fix thanks to every one for the help
2006 Ford E-350 Super Duty 6.0L no oil pressure VIN: 1FDSE35P46
Thanks for all the help. It had a bad low oil pressure pump. We took the pump apart and found it had ground the front cover do to something getting sucked into the pump. Looks like we are putting a used engine in it. Due to the particles that destroyed the pum...
2010 Ford E-450 Super Duty 6.8L Poor Idle Quality
thanks to all who responded. There was a breaker that was bad controlling the auxilliary idle. replaced it and all is fine
2006 Jeep Grand Cherokee Limited 4.7L transmission VIN: 1J4HR58N76
thanks to all, I have not fixed this car. waiting for customer to get funds to do so. thank you all for the information. if customer returns to have repair done I will re post thanks again Roland
2008 Kia Sorento LX 3.3L engine VIN: KNDJC73518
sorry for taking so long to post. Customer could not decide what to do with her car so she traded it in. We wanted to install a new oil pump to correct our 94 psi oil pressure at idle hot motor. we felt this was causing our valve timing issues. Again thanks fo...
2006 Lincoln Zephyr 3.0L Passengers Power windwo VIN: 3LNHM26126
I have tried the initialization procedure roughly 100 times and still have had no luck. I did notice however that once the procedure is complete the window functions normally as long as the key is not cycled. I can use auto up as many times as I like and ...
2006 Saturn Ion Red Line 2.0L Alternator VIN: 1G8A155BX6
Okay, first of all thanks to everyone for their help and input on this vehicle. A couple of people were on the right track by saying check the connection between the B+ from the alternator to the PCM. This is where the problem was. Once the connection was r...
1991 Volkswagen Vanagon 2.1L No Start, Hesitation, Stall VIN: WV2ZB0253M
hello, thanks for the suggestions. This thing turned out to be trouble. I got a wiring diagram and followed the wires from the temp sensor and found they weren't doing what they were supposed to . The reason I didnt do this at first is because I was thinkin...
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