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Prev Professional Automotive Repair Technical Discussions for November 27, 2008
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Open Help Requests for All Makes and Models
Help Request Answers
1995 BMW 525i 2.5L Low Coolant Message VIN: WBAHD632XS
We just replaced the cooling system reservoir due to leakage. The "Low Coolant" message is erroneously displayed since that replacement. We did check the connectors of the wires to the sensor at the base of the reservoir and confirmed their attachment. We can'...
1998 Chevrolet Astro 4.3L Hesitation, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GNEL19W1W
Under light accel about 20-30kph engine will hesitate almost always. This problem seems to be at a particular throttle position. For this reason we have chaged both TPS and MAF, with no change. Fuel pressure is at 53@ idle and 58@ snap throttle. I have not exp... Trouble codes: P0300 (Random misfire detected)
2004 Dodge Grand Caravan SE 3.3L Stall
Any help is appreciated, i forgot to mention that crank sensor was replaced recently as well, just this is so infrequent as to when it dies its almost impossible to find.
1996 Ford E-350 Econoline 7.3L Cuts out VIN: 1FDKE30F2T
This veicle will be driving down the road and suddenly it is as though you turn the engine off for a split second.After that it is OK for a few mile and problem occurs again.This truck has the updated crank sensor in it so I am suspecting the Injector control ...
2000 Ford Windstar LX 3.8L cluster VIN: 2FMZA5142Y
Trying to help other shop. This van has gone through 3 alternators. They installed another new one and is charging 13.5 to 14 volts at battery. This is computer controled. pin 45 red pink and pin 20 violet go to the regulator to the pcm. Wires look great. pin ...
2001 Ford Taurus SE 4-Valve 3.0L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FAFP56S81
ok lots to say here. this car is off a local used car lot but has been sold.we gotta fix it. car came in with an intermittent rough running mil on condition.dtc p0306. we put new plugs and wires on it. we pulled the intake and replaced the o-ring gaskets.while... Trouble codes: P0306
2002 Oldsmobile Bravada 4.2L vss VIN: IGHDT3SX22
Vehicle came code P0502 and U1016 in customer states while driving both SIR and ABS lights came on,shortly after transmission would not shift. Scanned all modules with Tech2 checked Vss input signal at Pcm and all other modules show no VSS output,have nice wav...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1999 Audi A4 2.8L front of engine VIN: WAUED28D9X
Sorry took me awhile to get back on here. Thanks to all who responded so quick! I believe Robert hit it on the head. Turned out to be cooling fan bearing.Thanks again!
1997 BMW 318i 1.9L MIL Lamp on VIN: WBACC932VE
As every post suggested the problem was cured by replacing the aftermarket cat with OE. Too bad they even sell parts that can't work. Huge response on this one was great. Thanks again.
2002 Cadillac Seville STS 4.6L Electronic VIN: 1G6KY54992
Thanks for the replys. We are going to fix the brakes right. got pads ordered from GM cost on the ft are about 70.00 and the rear cost is 100.00. Glad to know there are other northstar motors with the oil useage problem. I will ck out the tsb # in one...
2001 Chevrolet Impala 3.4L No Start, Cuts out, Stall VIN: 2GIWF52E12
thanks to all that responded. the problem came up to be the wiring connection - bcm connector. the wire in the connector was loose and corroded in the terminal on the harness side. clean and fix the wire and all is well. thanks again for the help.
2002 Chevrolet Venture LS 3.4L Hesitation, Cuts out VIN: 1GNDX03E52
Have tried everything you guys posted with nothing fixing the problem. The customer took the van and has been driving it. She called and said the problem has almost fixed itself. She has put over 500 miles on it and the van has stopped popping and shutting off...
1996 Dodge Stratus ES 2.5L No Start VIN: 1B3EG56H4T
Thanks to all that replied great info after replacing the crank senor it was not fixed I put the pcm back in that I had already tried. the combination of the pcm and crank sensor fixed it (maybe) it has been several days and the car is still running
2006 Dodge Ram 2500 Truck ST 5.9L Surge VIN: 3D7K528C76
This vehicle was fixed by replacing the torque convertor a third time, The first two were actually from two different suppliers. What are the odds of getting two bad ones in a row. Thank you for the replies.
1999 Ford Mustang 3.8L coolant VIN: 1FAFP4047X
Im closing this one without a fix because the customer decided to trade the car for a new mustang.I would like to thank all the experts for the great information. It seems like the cooler in the radidator is the most common problem as well as headgasket and in...
2001 Ford Escort ZX2 2.0L v v t VIN: 3FAFP11392
Hey guys thanks so much for all the replies they were very helpful, The problem was the pcv filter on the valve cover, Carson you nailed it. I started the vehicle and waited for the noise, as soon as the noise started I removed the oil cap and the noise went a...
2001 Hyundai Santa Fe GLS 2.7L door locks VIN: KM8SC83D31
thanks to tim from florida and all that replied. tim had the answer. wish i had read the email sooner as i got in peed off mood and stayed out there till i figured it out. tim would have saved me alot of time if i had just stopped and checked email that day. t...
1999 Isuzu F FSR 7.8L Hesitation, Cuts out, Stall, MIL Lamp on VIN: 4GTG6C139X
Thanks to Joe [...] the only response received. The filter Joe told me about had been previously removed when a aftermarket fuel separator had been installed but when I removed the newer filter to check for the second filter in the housing I found very smal... Trouble codes: 226 (pump not transfer of p/l operator always), 262 (rare and INTERMITTENT - FLOW LIMIT OPERATION CLY 2), 266 (rare and INTERMITTENT - FLOW LIMIT OPERATION CLY 6), 227 (rare and INTERMITTENT - PUMP NO TRANSFER PRESSURE).
1996 Jeep Cherokee Classic 4.0L Code 13 VIN: 1J4FJ68SOT
Problem wound up being the very expensive Hydraulic Controller for the ABS.
2001 Mitsubishi Eclipse GS 2.4L Mechanical VIN: 4A3AC44G01
Well, as I suspected, I was missing the forest because of all the trees. The replies summed it up that there was a restriction in the heater core AND this car wasn't equipped with the water control valve that I was looking for based on similar models being equ...
1989 Oldsmobile Cutlass Ciera 3.3L Cuts out, Misfire, MIL Lamp on VIN: 2G3AJ51N3K
After replacing the est and bypass wires from the ignition module to the ecm the vehicle has not quit or had trouble starting for two weeks , somewhere inside the harness there must be an intermittent open circuit or ground causing the problem . Thanks for the... Trouble codes: 42 (Electronic Spark Timing).
2001 Pontiac Montana 3.4L No Start VIN: 1GMDX03E11
Sorry for the wait,this one was a stumper.Thank you for all your ideas.I should have been more clear about the key cycle and my maf pid.It would change every time i cycle the key from 312 to 1.94 gps.I pulled open the harness and found under the air box wires ...
1999 Subaru Impreza L 2.2L Hesitation, MIL Lamp on VIN: JF1GC4357X
The general concensus seemed to be a faulty MAF sensor to which I agree.I did replace the front O2 sensor and maybe the faster switch rate was enough to offset a marginal MAF reading, I don't know for sure.The customer has not returned with the same problem so... Trouble codes: P0170.
2002 Volkswagen Jetta GLX 2.8L Surge, Poor Fuel Economy, MIL Lamp on VIN: 3VWTH69M12
After spending an inordinate amount of time reviewing data (the flight recorder that Mac sells is a wonderful thing) I ended up replacing the aftermarket cat (I kinda figured I would anyway) with a factory one and having the engine controller reflashed with an... Trouble codes: P0420.
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