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Prev Professional Automotive Repair Technical Discussions for June 13, 2010
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Open Help Requests for All Makes and Models
Help Request Answers
2005 Acura TL 3.2L Misfire VIN: 19UUA66235
This is my relatives car, the first complaint was that after the car would sit overnight, in the morning when you start the car it would run bad (misfire). So i let the car sit overnight, started it, than shut it off quickly, pulled the spark plugs and found a...
2002 BMW M3 3.2L DME and EWS VIN: WSBL93462J
Upon re-installation of DME into vehicle, car has a no crank condition. The DSC (traction control light) is illuminated on center of dash, the shifter is in the locked position. There is also zero communication with the OBD2 port and my scan tool. I believe E...
2000 Dodge Caravan 3.3L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Poor Fuel Economy VIN: 2B4GP45G1Y
Hello I have this van here and it is running extremly rich. Barely runs and blows black smoke. I scanned it and there wasn't any codes but that was due to the cust clearing it with a little scanner he got from the parts store but he did say there was a O2 code...
1993 Ford Ranger XLT 4.0L Excessive Emissions, Hesitation, Surge, Cuts out VIN: 1FTCR14X3P
hey fellow techs i have a good one here,93 ranger that surge up and down off idle,the more pedal you give it the lower the rpms go than pops and back fires,if you let go of the throttle it searches for an idle than smoothes out after awhile.i rechecked fuel pu...
1998 Ford Taurus SE 3.0L Excessive Emissions VIN: 1FAFP53S8W
I have this Taurus that is failing the smog test too rich and too high HC. I have tested the fuel pressure and the regulator no problem found (NPF) I checked the purge system, NPF still running rich with both the regulator and purge valve out of the picture. I...
1999 Ford Explorer XLS 4.0L Poor Idle Quality, Hesitation, Misfire, low power VIN: 1FMDU34E8X
Vehicle started out running fine until driving on hiway,customer says ses lite came on and power immediately went away.found codes p0107 and p0112,checked wiring and replaced maf due to results(also have retried known good maf since intial replacement).test dr... Trouble codes: P0107, P0112, P1309
1999 Ford F-350 Super Duty XL 7.3L No Start
hey all thanks ahead for your help..this truck will not start. ran fine then next day would not start..scann shows p1668 com error. i checked the archives and all previous say the idm would be the cause..i swapped it out with another and still no start but i n... Trouble codes: P1668
2002 Ford F-150 XL 5.4L Hesitation VIN: 2FTRX18L52
I have test drove this truck twice and cannot reproduce the symptoms. Customer says the truck falls on its face when engine is cold and accelerating, almost to the point of stalling. This is an intermittent problem. No check engine light, but tried to scan tru...
2002 Ford F-250 Super Duty XL 5.4L Mechanical VIN: 6043093608
Getting ready to pull an engine, do i need the special modular engine frame for the pull or can i do it with a chain. Apparently you have to pull the intake off to hook up the frame according to mitchell. Anything else i need to know?? Will it go back in with...
2004 Ford E-350 Super Duty 5.4L No Start VIN: 1FDWE35L64
This is a motorhome passing thru town, died on the road and was towed. Engine will crank but will not fire. Tested all fuses under hood and under dash. All OK. Scanned on board computer and found "No Data" with Modis and other older scan tool. Tested for volta...
1999 Isuzu Rodeo S 2.2L Misfire VIN: 2Z13A54031
This engine was taken out of a deawoo laganza with only 67000 miles on it. It ran great in the car but now that its in this rodeo, it doesnt run good at all. The exact discription of how it feels is it is like driving a car with bad plug wires down the road du... Trouble codes: P0300 (random cylinder misfire)
2004 Mercedes-Benz E320 3.2L abs pump VIN: WDBUF65J34
just got this e 320 in to sell , there are no lights on and no real issues when driving. the problem is that when stopped and the brakes is applied the abs pump makes noise. if i go from park to drive or reverse etc. you can here the pump from inside the car a...
2001 Nissan Pathfinder SE 3.5L stalls at idle when VIN: JN3DR09X31
Hey Guys, This vehicle has had a p0110 code for over a year(diagnosed at another shop) They charged the customer $900.00 and got it to pass emmissions test. customer left the shop code came right back on. I know from other post that the engine needs to be flus... Trouble codes: P0110
2002 Pontiac Grand Prix SE 3.1L No Start VIN: 1G2WK52J62
Need some help here fellas... I have a friend's 02 Grand Prix 3.1 V6 that is a crank, no start. I have good spark and 60 psi fuel pressure at the rail. But I have determined that something is preventing the injectors from firing - I have no injector pulse. The...
1993 Toyota Camry XLE 3.0L Over Heating VIN: JT2VK13E4P
The car runs great doesn't overheat when at idle or driving on flat surfaces. When i take it up a hill the temp. Climbs straight up to the red zone. I know the heater valve was bad so i replaced it. I bleeded the system from all the air and drove it home that ...
1997 Volkswagen Jetta GL 2.0L MIL Lamp on VIN: 3VWSA81H5V
p1613 intermediate. Check engine light ok. Code seems to set after road test, shut off and restart. Notice starter will drag a little on restart after long road test. Replaced battery and cable ends. After trans rebuild and tcm replacement this road test great... Trouble codes: 1613 (mill call up circuit short/open)
2001 Volkswagen Jetta Wolfsburg Edition 1.8L Air Bags VIN: 3VWPD69M81
Ok This is a strange one, This is my personal car and while driving at 100kmph on the freeway we hit a small hole in the pavement enough to make a bit of noise but the problem is the passenger side airbags deployed. Almost broke my sons arm who was in the pass...
2003 Volkswagen Jetta GL 2.0L Air Conditioning System VIN: 3VWRK69M23
Air Conditioning not operational. Interior switch illuminates, Blower motor works at all speeds, Compressor not engaging. Decided to check Freon Levels & Pressures. Evacuated System - Recovered 740 grams (Spec is 750g) Pulled Vacuum to 29in hg for Full 30 m...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2000 Audi A6 Quattro 2.7L Fuel Venting System VIN: WAUED24BXY
Thanks for everyones help on this one. After blowing through the lines and checking the valves at the filler neck we gave the car back to the customer to drive. He has since filled the car up twice with no issues. He was able to fill the tank at full pump spee...
2004 Cadillac CTS 3.6L Engine VIN: 1G6DM57714
Thaqnks everyone for your input. All of the testing and feedback lead to an oil ring problem. Since I had the intake off and was looking at replacing the engine, I went ahead and filled each of the cylinders with Marvel Mystery Oil and let it soak for a day. I...
1996 Chevrolet K1500 Silverado 5.7L Fnt Brakes
Thanks guys this was a case of bad booster, had to replace the booster I just replaced. Thank you for all the help
2000 Chevrolet K2500 5.7L Abs VIN: 1GCGK29R4Y
Well, I'm going to call this one fixed, but I won't really know if it's fixed for a few months due to the low mileage that it's driven. I was leaning towards replacing the R/F caliper even before I replaced the ABS module. In fact I had recommended replacing b...
2003 Chevrolet Impala LS 3.8L Stall VIN: 2G1WH52K63
thanks to all that responded.sent car to the locale cheverolet dealer to get fixed the problem was in the ignition switch.thanks again jim Trouble codes: P0300.
2003 Chevrolet Impala 3.8L Ac VIN: G1WH52KX39
thanks to all who said to recheck the freon level ! althought it was only a little low this did effect the temp from the drivers side and pass. side vents. after putting in more freon the temp evened out from all vents
1997 Dodge Grand Caravan LE 3.8L Poor Fuel Economy VIN: 1B4GP54LXV
Thanks to all who replied. Summary - went from 16.5 to approx 21mpg after ]100 miles. Replaced front O2 to resolve "rich under load" condition. Based on condition of front O2 sensor decided to replace rear also since it influences fuel control. Wish I coul...
1996 Ford Explorer XL 4.0L torque converter VIN: 1FMDU34X0T
Thanks to all that replied ,but still have not found the problem with this vehicle. All sensors seem to be working & reading correctly.Vehicle load seems normal,compared to other data streams from other explorers.When I road test vehicle with TRAN- X tester on...
1999 Ford F-250 Super Duty XLT 7.3L Stall VIN: 1FTNX21F3X
Regretably I have not figured this thing out yet. I cannot just start throwing parts at it until it is fixed. As a result I am closing this out for now. Customer has other vehicles and has been patient but I cannot afford to waste any more time on this problem...
2004 GMC Yukon Denali 6.0L abs pump/module VIN: 1GKEK63U64
this one is fixed and down the road.It turn out to be both the pump and the module. What i think happen is the pump shorted out and fried the module. When i got the used combo the pump was good and the module was bad and this threw me off. After the second com...
1998 Honda Civic EX 1.6L No Start VIN: 2HG0EJ8543
The problem ended up being the ignition switch. There was a fine line between run and start that would keep it running. Thank you for all those replies.
1995 Isuzu Trooper LS 3.2L clutch VIN: JACDJ58V3S
Sorry it has taken so long but I wanted to be sure it was fixed. I ended up pulling the trans again and found the clutch completely worn out. I asked the driver what happend and he said " I just let out of the clutch and nothing happened". I went ahead and rep...
1982 Other Asian datsun 3.0L Excessive Emissions VIN: JNIC2O6S8C
i apreciate to all of you to helping me with this car i fix by change the coolant sensor,now is no more smoke.thanks very much.
1996 Pontiac Grand Prix SE 3.1L Safety VIN: 1G2WJ12M6T
For the excellent replies I am truly grateful. She cannot spare the vehicle to check any further as of today, However, earlier, I checked connections in the various modules and connectors, as well as re-checking the work performed. The advice Kenneth, Alex, an...
1991 Rolls Royce Silver Spur 6.7L Electronic Shock Absorbers VIN: SCAZN02D9M
The four replies had good sound advice. As both Damon and Ted mentioned it is difficult to test the system without a test box. Damon suggested Flying Spurs in England to purchase a test box to diagnose the system. I could not justify purchasing the box for o...
1994 Saab 900 S 2.3L turn signals VIN: YS3DM38B0R
The replies were all correct. There is no flasher relay. the driver info center above the radio has a speaker that provides the clicking noise for the turn signals and key/seatbelt buzzers.thanks for all the help as usual.
2001 Volkswagen Jetta GLS 2.0L signal lights VIN: 3VWSK69M21
thanks to those who said to check the alarm/central conv. module.! as soon as i removed it the light when off. i replaced it and all is well. i did have to reprogram the the remote.
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