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Prev Professional Automotive Repair Technical Discussions for December 24, 2007
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Open Help Requests for All Makes and Models
Help Request Answers
1998 Chevrolet Cavalier 2.2L Dash Cluster VIN: 1G1JC52433
This Cavalier will not start when the temps get close to freezing. If you try to start this car cold the warning lights will not light and the car will not start. I do hear the fuel pump come on and charge up each time I cycle the key. If you let this car sit ...
1999 Chevrolet Astro 4.3L No Start VIN: 1GBDM19WXX
I'm pulling the rest of my hair out on this one. Towed in-no start. Customer claims she parked in garage the night before, came out next morning and would not start. I have 60 psi fuel pressure and good spark from coil and at several plugs that were checked. I...
2000 Dodge Dakota SLT 4.7L cam, crank sensor VIN: 1B7GG2AN3Y
I have a 2000 Dodge Dakota that came in with a code 1391 int. lose of crank cam sensor. Code only sets when cold. We have replace the crank sensor and the code reset. At this point we replaced the cam sensor and the vehciel ran worse. Any ideas?
2005 Dodge Ram 3500 Truck ST 5.9L steering pump VIN: 3D7MX48C46
Need to get this one fixed ASAP. Truck has no assist and hydroboost acting funny. Fluid is shiny, like metal particles in fluid. While driving, the steering wheel can be moved back and forth approximatly 1/8 turn each way without making any difference in steer...
1993 Ford Explorer Eddie Bauer 4.0L ABS pump VIN: 1FMDU34X8P
This vehicle's ABS system is way too active.Symptoms started in July, and at that time, I scanned for codes and retrieved:11-defective ECU;63-pump motor fault;65-pump motor;and 67-acceleration switch fault. Per customer request,since it was summer and dry, I p...
1998 Ford Taurus SE 3.0L None VIN: 1FAFP52UXW
Okay Blue Oval experts, I've got a good one for you! This vehicle came in with the MIL on and two transmission codes present; P0705- Transmission Range Switch Circuit Fault and P1702- TRS Circuit Fault (Intermittent). Data stream showed high sensor voltage, so...
1997 GMC C2500 Sierra SL 5.7L master cylinder VIN: 1GTK29R0VE
got rebuilt master cylinder bleed all brakes left frontbrake fluid just comes out real slow brake pedal goes to floor like master cylinder is bad cant get snap on scannerto active abs should i try another master clyinder? all i did was fix new line and put mas...
1993 Mazda RX-7 1.3L Excessive Emissions, Poor Idle Quality VIN: 1M1FD3329P
hello everyone, first of all merry christmas to all, having said this i am still stuck with a problem on this rx 7, wondering if anybody had any answers, I have checked just about everthing on this beast, but vacuum drops to about 13 inches at idle and then it...
1999 Mercury Grand Marquis LS 4.6L Heater Core Leaks VIN: 2MEFM75W8X
We have a 1999 Mercury Gran Marquis in with a leaking heater core. The customer just showed me 7 different receipts for heater cores done in the past- 5 of which were done at different Ford and Mercury dealers with factory OEM heater cores. One heater core don...
1989 Oldsmobile Cutlass Cruiser 3.3L Cuts out VIN: 2G3AMB1N2K
This 89 cutlass cruiser will start and run for about 5 seconds then cuts out.Replaced the fuel pump.I don't have the adapter to scan something this old so I can't check for codes.My mechanic won't be back until 1/2,so I'm just looking for some ideas here.I hop...
2001 Toyota Corolla CE 1.8L Surge VIN: 1NXBR12E51
hello again-we have this corolla in our shop were the check engine lite comes on while driving with the p0171-code-when driving away from a dead stop the vehicle noses over and hesitates-if you hit the throttle hard you can hear it back firing through the inta... Trouble codes: P0171 (lean bank one)
1996 Volkswagen Jetta GLS 2.0L No Start, Poor Idle Quality VIN: 3VWSA81H2T
This got dropped in my lap. Vehicle is an intermittant no start. Cranks, has spark and fuel pressure BUT when this does happen ( very intermittant!) I do NOT have injector pulse. I have looked at posts and check grounds. Also I have never seen mil NOT come on ...
1999 Volkswagen Golf GTI 2.8L MIL Lamp on VIN: WVWDE31J6X
Hello VW Techs, Tis Vehicle came to our shop with the check engine light on and we found PO342 DTC in the Pc's memory. We checked the power to CMP sensor and we got 12 volts 5 volts in the other wiring and ground in the 3rd wire as expected. The customer has r... Trouble codes: P0342

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1994 Chevrolet K3500 Cheyenne 7.4L Hesitation, Surge, Cuts out VIN: 1GCHK33N1R
First off, merry Christmas to everyone and thanks for the responses. Being a shop truck it has taken some time to get it back in here but we finally got it fixed. It WAS the fuel pump and my boss had to eat his words!!! Thanks for everyone who offered suggesti...
1997 Chevrolet Camaro Z28 5.7L idle increases VIN: 2G1FP22P6V
Thanks to all the advice,I got a lot of helpful information and idea's, unfortunatly I will be out of commision for a while for a hernia operation and I cannot close with fix...
2003 Chevrolet Silverado 3500 LS 6.6L Electronic VIN: 1GBJK39143
2004 Dodge Grand Caravan SE 3.3L Lock Up Convertor VIN: 1D4GP24R44
Thanks for the help everybody. Lane mentioned the O2 sensors which I hadn't thought of, unfortuantly they were fine. Kevin, I tested as you mentioned with the pressure guage, and lo and behold the TCC was slipping. I pulled the pan and found no clutch material...
1995 Ford Windstar GL 3.8L MIL Lamp on VIN: 2FMDA5141S
I rechecked CMP timing it was dead on,with the cam sensor alignment tool. Wave form looked good on the new cam sensor,but I decided to replace it again, and it was fixed. So the fix was, replace defective Cam sensor (CMP). Trouble codes: P0340 (Cam Position Sensor Circiut Fault).
1995 Ford Taurus GL 3.0L No Start VIN: 1FALP52U8S
Short and sweet,tan/yellow wire rubbing on trans side pan,thanks to all that offered help,have a great holiday!!! Jim
1996 Ford F-350 Special 7.3L No Start VIN: 2FDKF38F2T
Thanks everybody, I tryed the CAM sensor and checked the inputs and power, then I replaced the IDM Module and it started right up. Thanks for your help.
1999 Ford Taurus SE 3.0L Heater VIN: 1FAFP53U2X
I learned a lot on this vehicle, and really appreciate ALL the help provided by my fellow technicians on Iatn!! It turned out to be a multifaceted repair, but in the end the heat is fantastic, and I learned a few things. I had never seen a water pump with t...
1995 Jeep Cherokee Country 4.0L No Start VIN: 1J4FT78S6S
thanks teem, most all the reply's i got were right on the fix. what i found was the siginal from the pcm to the asd relay would fall out when you tried to crank the eng. the problem was under the relay box. i even jump the relay as some of you had suggested bu... Trouble codes: 42 (open or shorted asd relay).
2003 Land Rover Freelander SE 2.5L Poor Idle Quality, Surge VIN: SALNY22243
We did finally experience the customers complaint of running rough after cold start. Occasionally, it would miss, after cold start when the idle drops near 1,000 RPM, badly enough that it would set misfire faults and the ECM would shut down 1 or 2 cylinders un... Trouble codes: P0301 (p0303-), P0303 (p0305-), P0305.
1996 Lincoln Continental Anniversary 4.6L ride control VIN: 1LNLM97V9T
Unfortunlatly I lowered the rear manually and it has worked normally since.I have an air bag losing air slowly on one strut I repaired,I now have scan tool and am testing.I will repost at a latter time with the results.
1996 Mercedes-Benz E320 3.2L MIL Lamp on VIN: WDBJF55F7T
Thank you to all that responded to our request for assistance. There is NOTHING more frustrating to us all than not being able to execute a "fix". We spent a considerable amount of time inspecting the wiring harness and were unable to locate any concerns. Ulti...
2004 Mercedes-Benz ML350 3.7L Hesitation, Surge, Cuts out, Stall, MIL Lamp on VIN: 4JGAB57EX4
thanks to all who responded. the problem came out to be the crank angle sensor. it drives great and no more stalling. Trouble codes: P0335.
2001 Mercury Sable LS Premium 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1MEFM55S41
SORRY I WAITED SO LONG TO GIVE YOU GUYS MY REPORT ON THIS VEHICLE- BUT THE CAR IS FROM A CAR LOT AND THEY WERE DRAGGING THEIR FEET ON WHAT TO DO-THE END RESULT WE CAME UP WITH IS THAT BY JUDGING BY HOW THE SPARK PLUGS LOOKED WITH THE OIL FOULING I WENT WITH TH... Trouble codes: P1401 (dpfe fault-out of range), P1150 (fuel trim at limit), P1151 (fuel trim lean), P0171 (lean bank one), P0174 (lean bank two), P0304 (cylinder 4-5-6-misfire).
2004 Nissan Titan XE 5.6L Cuts out, Misfire VIN: 1N6AA07A64
could'nt figure this one out cut my losses.thanks 2 the people who offered info. Trouble codes: P0335.
2005 Pontiac Sunfire 2.2L Stall VIN: 3G2JB12F95
As I am not going to be able to see this vehicle until after the New Year I thought that I had best close this. What I intend to do is investigate whether the A/C is siezing up and causing the stall problem, trick my scan tool to try to get some data out of th...
1990 Porsche 911 Carrera 2 3.6L central warning lights VIN: WPOABO968L
So far we drove it for two days and looks good before would act up in 10 minutes. I found the coil wire connector arcking at the cap, the one for the lower wire set, replaced connector drove it for a day looked good, that night acted up again and the arcking ...
1994 Toyota Pickup DLX 3.0L Excessive Emissions, MIL Lamp on VIN: JT4RN13P8R
Thanks to all of you who tried to help us sort this out. The problem was in the oxygen sensor circuit. After having the ecu tested [it was fine]we concluded there must be a wiring problem. The two wires for the heater circuit [power and ground]were fine.The ot... Trouble codes: 25 (oxy sensor).
2001 Toyota RAV4 2.0L Suspention VIN: JTEGH20V51
We finally fixed it after the customer decided to stop talking about the noise and actually let us work on it again. We replaced both front struts and mounts. No one stocks them around here. Thanks again for all the replys.
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