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Prev Professional Automotive Repair Technical Discussions for January 16, 2010
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Open Help Requests for All Makes and Models
Help Request Answers
2000 BMW 740iL 4.4L MIL Lamp on VIN: WBAGH8346Y
this is one of our regular customers who purchased a vehicle that we do not have much information on. he brought the vehicle to us with a code for the speed sensor. 120 we have a modis scanner and was able to pull up the bmw code but not any diagnostic info. f... Trouble codes: 120 (speed sensor fault.)
2000 Chevrolet Blazer LS 4.3L Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: 1GNCS18W3Y
this blazer has had head gaskets replaced,lifters replaced. it had a po341 code that is now gone after replacing the ign module. i do not have a scanner to check dist but it is pointing to the 6 on the housing.i have tried to move the dist back one tooth and f... Trouble codes: P1345
2001 Chevrolet Impala 3.4L Unknown VIN: 2G1WF52E81
Hey guys, i have a 01 chevy impala 3.4 with a 4t65e tranny. it came in with the complain that the further their foot is on the gas the slower it goes. drove the car and felt like the converter was slipping. i would gas it at any speed and the car seemed to sto...
2002 Dodge Intrepid ES 3.5L steering rack VIN: 2B3HD56M52
Hello,fellow techs I need a some help,advice,or knowledge.This Dodge came in with no power assest at idle or low speeds(It's fine going down the road).It had very little to no return flow on the return line to the reservoir,so I flushed the P/S fluid & put a p...
2006 Dodge Ram 3500 Truck Laramie 5.9L Starting VIN: 3D7MX48C07
Help!!! Can't sleep at night with this one. Vehicle was towed in from another shop. I'm always very careful about throwing stones at another shop, but this came in a mess. ECU, Fuel connectors, batteries all disconnected. Belt missing. The shop told customer i...
2004 Ford Crown Victoria Police Interceptor 4.6L No Start VIN: 2FAFD1W14X
hi ford guys i have a strange one .key on engine off service engine light blinks and engine cranks but will not start.if a batt charger is hooked up light stops blinking and engine came in from another shop they replaced the engine harness and tried...
2005 Ford F-150 FX4 5.4L igintion system VIN: 1FTPX14505
Truck came in and had blown fuse on inside fuse and relay box # f-102. Replaced fuse and drove for 2 days and blown fuse #f-102 again. Disconnected red/green wire tracer from relay box to ignition modules and coil capacitors #1 and #2. Red/green wire shorted t...
2006 Ford Five Hundred SE 3.0L No Start VIN: 1FAFP23116
HI and thanks for the help. First of all this car came in for starter that would not disengage when the car was running.Replaced starter and now car won't start, well starts and dies.Now the codes are for the TAC system as soon as you clear the codes with scan... Trouble codes: P2104, P2112
2002 GMC Envoy SLE 4.2L Charging VIN: 1GKDT13S12
This envoy came in with a battery draw found that the rear wiper was causing the draw fixed that. 30 minutes after the customer picked the car up it came back, with the drivers side power seat not working and something putting a serious load on the charging sy...
2004 GMC Yukon Denali 6.0L MIL Lamp on, SIR Inoperative VIN: 1GKEK63U64
So get this, We diagnosed and replaced the BCM and IPC on this pig. Used Mastertech VCI to reprogram and everything took fine. No-start due to the mismatch in the passcode for the vehicle antitheft (VATS). Followed the service manual to perform a VATS relearn ... Trouble codes: B1001 (vats passcode mismatch)
1995 Jaguar XJ6 4.0L battery drain VIN: SAJHX1748S
Battery drain kills battery overnight. Isolated circuit to left heel fuse box fuse #2 Circuit says this fuse feeds interior lights and air conditioning, but when I go to those circuits to find that wire or fuse feed, Mitchell does not show [...]/purple fuse # ...
1996 Jeep Cherokee Sport 4.0L Hesitation, Misfire VIN: 1J4FJ78S1T
This Jeep came in as a no start. We cranked it over and the cap, wires, etc. looked like the 4th. of July. Arcing all over and it was damp and humid out. We replaced the cap, rotor, wires, plugs with quality parts. The vehicle then started right up. Problem is...
2000 Jeep Grand Cherokee Laredo 4.7L Engine VIN: 1J4GW48N9Y
Vehicle was towed in due to overheat. Diagnosed bad head gasket and lower bearing noise. Installed rebuilt crate longblock for initial diagnosis. Vehicle left with customer running fine. Vehicle came back with SES light on, Code P0304 Cyl 4 misfire. Checked S...
2000 Kia Sportage 2.0L Minimum engine VIN: KNEJA5555Y
Randomly engine is hot or cold, moving or stationary, the least autonomous increase up to 3000-4000 rpm. I thought a wrong signal to the throttle sensor but in the workshop has never made the defect. If someone has already happened as the problem has resulted....
2002 Kia Optima LX 2.4L No Start VIN: KNAGD12642
flooding, wow no start spark plugs are dripping wet with fuel! mostly # 1 and # 2 , but also 3 and 4. no codes . good spark. cranking with no plugs installed raw fuel is spraying out of cylinders. have tryed an ecu thinking pulsewidth was too high but no chang...
2004 Mercedes-Benz S430 4.3L tpms VIN: WN6Y345000
scanner showed that the batterty was dead in 2 front tire pressure sensors, and 6 months remaining on the 2 rear . I replaced the 4 sensors. then using the steering wheel controls when though to reactivate TPS , now comes back with a RED ( not amber ) check ti...
2006 Mercedes-Benz ML350 3.5L Stall VIN: 4JGBB86E86
Need some help from the Mercedes techs. Customer says that the car will stall at times, no pattern, it happens at highway speeds apparantley, sometimes starts jerking & then either shuts completely off or just looses power. It has been to the dealer a countles...
1995 Mercury Cougar XR-7 4.6L MIL Lamp on VIN: 1MELM62W5S
Hello I got this 1995 Mercury Cougar/xr7 4.6l I have code p1407 (egr no flow) I removed throttle body cleaned all the ports replaced the dpfe,egr,and the solenoid. within two weeks the light is back on The exhaust system appears to be good. When I test the egr... Trouble codes: P1407
1999 Pontiac Montana 3.4L Misfire VIN: 1GMDX03E2X
When engine is revved over 4000rpm(when kicked down) the MIL lamp flashes and code P0300(muliple misfire) results. Not sure if I can feel misfire though. Misfire history indicates only #1 cylinder misfires(1960 total count). Rev limiter cuts in below 4000rpm o... Trouble codes: P0300 (multiple misfire detected)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1996 Chevrolet Tahoe 6.5L Trans,tech,speedo VIN: 3GNEK18R7T
Greetings! This truck is back on the road thanks to all who had replied to my request and those in the chat room. It was the ignition switch that was the cause of no trans shift, inoperative tech and speedo just as those who replied said. Those on the chat ...
1996 Chevrolet Blazer 4.3L No Start VIN: 1GNCS13W1T
First I would like to that all who responded to my request. They were all food for thought. What a difference a few pound of pressure can make. Many of the responses stressed adequate pressure and volume. I removed the cover on the injectors and the inject...
1997 Chevrolet Corvette 5.7L slave cylinder
Well this one is out the door and down the road. I would like to thank everyone for their insight on this trans removal. It looked a lot worst than it was for sure if i did another i could shave a few hours off the total time. If this helps anytone else you ca...
2004 Chevrolet Avalanche 1500 5.3L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 3GNEK12T14
i AM EMBARASSED TO SAY THAT i FIXED THIS RIGHT AFTER i POSTED THE REQUEST FOR HELP. Several of you were right. I went back to the scanner and while the engine was acting up, I noticed that the O2 sensor was shorted dead lean while the fuel trims were adding ... Trouble codes: P0300, P0171 (Lean bank 1).
2009 Dodge Grand Caravan C/V 3.3L trans VIN: 1B4GH54R9N
thanks to all aldata listed the two relays i was informed of as cooling system relays so wasnt sure thanks again
2000 GMC Jimmy Envoy 4.3L No Start VIN: 1GKDT13W2Y
The injector spider unit was bad, I ran a injector balance test nd found 5 injectors that were not spraying fuel. I replaced the spider,fuel filter, drained the tank and ran a motorvac on it. The 0 pulse width while cranking threw me off track, pulse width doe...
1997 Honda Accord EX 2.2L emissions VIN: 1HGCD560VA
ended up being radio fuse, thanks for all the help1 ray
1994 Jeep Grand Cherokee Limited 4.0L clutch pedal VIN: 1J4GZ68S3R
This vehicle is fixed! I replaced the clutch master cylinder and bled the hell out of it.The clutch now starts to engage 3-4 inches off the floor which is what I was looking for.Everyone had great suggestions and yes Dan, the crank did move some but did not af...
2002 Mini Cooper 1.6L transmission VIN: WMWRC33492
thank you for all the replies. we actually had two problems on this vehicle. the transmission was making the original noise and our replacement took care of that noise. the suspension was not properly repaired at the body shop witch led to the transmission ...
1997 Saturn SL2 1.9L Poor Idle Quality VIN: 1G8ZK527XV
I finally got back on this thing and an e-mail from russ [...] about the crank re-learn was on the money, so to speak. It got me on the right track. He said that the reason the crank wouldn't relearn was because of active misfires, and he was right.Got my bud...
2001 Saturn SL1 1.9L Cylinder head bolt torque VIN: 1G8ZH52891
Thanks for all your help, you were all correct on the service procedure for the new head bolts. I know its a simple issue but if anyone runs into this on all data, the service info for that vehicle was incorrect and the way it is stated all data wants you to t...
2007 Saturn Outlook XR 3.6L engine VIN: 767J159060
1998 Toyota Avalon XL 3.0L Hesitation VIN: 4T1BF118B2
Well this one has to get shipped to someone better equiped. I checked fuel volume and got the pint in the required time, egr functioning properly and passages clear. I also opened the ECM and didn't notice anything out of the ordinary. The one constant is th... Trouble codes: P0325.
1988 Volvo 740 GLE 2.3L No Start, Cuts out, Stall VIN: YV1FX8841J
i would like thank eyerone that offerd help since car would only act up at times tryed a pwr stage on and car has been gone 4 2 days thaks 4 the help guys jimmy
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