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Prev Professional Automotive Repair Technical Discussions for October 28, 2007
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Help Request Answers
2002 Audi A4 3.0L Excessive Emissions, No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: WAULT68E32
Hi folks we have replaced the eng in this car, for a used car dealer. Due to eng cams worn down do to lack of oil. Oringinal eng# AVK 021 035 NEW USED ENG AVK 027 219 now the original motor ran fairly well but noisy. Now the used eng will barely run and comes ... Trouble codes: P0391, P0366
1995 BMW 740i 4.0L keyless entry VIN: WBAGF6328S
This electronic joy is eating our time. Customer compalaint is: "I need to be almost on top of the car for the remote to unlock the door" The remote will not work from 3 feet away. All remote and door lock features work fine. We have reprogramed the keys, inst...
1999 Cadillac DeVille 4.6L Accessories VIN: 1G6KD54Y2X
hi techs,need help on this caddy.vehicle starts runs fine all the time,but on the message display it reads;theft problem-vehicle may not start. i checked pcm,body codes,found none.have snapon scanner hooled up,ignition 0 and ignition 1 voltage reads 12 volts.c...
2001 Chevrolet Express 1500 4.3L Hesitation, Misfire, MIL Lamp on
I have been fighting with this one on and off for month and a half now. Came in running rough with a miss on #1 compression test revealed no compression on #1 replaced intake valve compression is back to 150 so are all other cylinders here is the catch is stil... Trouble codes: P0300, P0301
2003 Chrysler PT Cruiser GT 2.4L engine cooling fan VIN: 3C8FY78GX3
PLEASE HELP ME. Having trouble with inop ccooling fan .this dream series 2 belongs to used car lot,has had one problem after the other since purchased.anyway car had been running very good and strong w/ ice cold a/ lot porter had to jump start car one day...
1993 Dodge Caravan LE 3.3L Hesitation, Surge, Cuts out, Misfire
Vehicle misses and cuts out above 2000 rpm. Intermittent intake backfire when happens. No misfire at idle or (2000 rpm. No codes. Scan data inconclusive. Fuel pressure good. Crank and cam sensors look ok. Tried new coil, no luck. Suspecting spark problem. poss...
1997 Dodge Grand Caravan SE 3.3L control panel VIN: 2B4GP44K9V
the scanner I have now doesn't do body or abs, so don,t have codes. when you start vehicle, the lights on the rear wiper buttons flash. a.c. still turns on and works properly. after about 20 min. run time the flashing lights go out and a.c. button lights up li...
1997 Ford F-350 7.3L Hesitation, No power VIN: 1FTJW36F00
This is for a neighbor of mine. I have driven the vehicle to confirm the problem. This vehicle especially when cold, will have almost no power at all. It will only go up to about 20 mph stay there for w few seconds, then you hear the turbo wind up and the truc...
1999 Ford F-250 Super Duty Lariat 7.3L Poor Idle Quality, Misfire, White smoke VIN: 1FTNX21F5X
Hey guy's This is what I got I just replaced the IDM and two injectors. This is a North Slope village truck so there is very low miles and tons of idle time, also this truck was just sitting for years without running... After I replaced those parts it still ru...
2001 Honda Civic EX 1.7L timming belt VIN: XJ50916J86
whats the best way to change a timming belt on a 2001 Honda civic LX ?
1998 Jeep Wrangler Sport 4.0L No Start, Stall VIN: 1J4FY19S6W
hi all, ive got a weird one. vehicle towed into shop in february,no start. diagnosed crank sensor, replaced and all is good. 2 days ago, towed back in. customer, a former service writer at local buick dealer addament that its the same exact problem, died while...
1989 Oldsmobile Cutlass Ciera 3.3L Pusher Fan Controll VIN: 2G3AJ11N4K
Ladies and gentlemen, today I share a good problem with you for our mutual enjoyment and hopefully my relief. This "thing" was dropped on me with the common " I don't know how it got that way " comment from the customer. I could not get any helpful background...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2001 Audi A8 Quattro L 4.2L Instrument Cluster VIN: WAUML54D11
Replies said to check the voltage regulator on reman cluster and for charging system problems. Found out that car had other electrical issues for a long period of time before the IC failures. The dome light will go on and off by itself both while driving and...
1991 Buick Park Avenue 3.8L Excessive Emissions, No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire VIN: 1G4CW53LXM
Hey Guys.I checked all the wires to the crank sensor and all is well.I ordered the computer because it wasn't to expensive and all the relays and injectors and a/c clutch clicking were controlled by the computer.The computer fixed it.It ran like crap for a few... Trouble codes: 41 (cam sensor).
2000 Chevrolet Blazer LS 4.3L 3-od VIN: 1GNCT18W5Y
2001 Chevrolet Lumina 3.1L abs system VIN: 2G1WL52J21
This is a good learning experience for me. I along with many other techs never want to admit that they get too cocky or over confident when diagnoseing a car. It was the drivers side exciter ring on the c.v. axle. I did look them over twice but not good enoug...
2000 Chrysler Cirrus LX 2.4L Excessive Emissions, Stall VIN: 3C3D256SOY
here it is what i tough was a long pulse was really a keep injector open for as long as fuel pump was priming and while cranking i did replaced the ckp sensor with a mopar PN.1-[...] two of the replies suggested it was the ckp. i replace it the problem ...
1992 Ford Aerostar 3.0L Rear brakes locked up? VIN: FAKE123456
Thanks to all that replied with help ;]!!! Frank JR & Bruce [...] get the extra Thanks for replying more than once ;]}} First I pulled the RABS valve & used my Phoenix reverse bleeder { Which I have been warned.. should NOT USE on ABS systems, I Hadn'...
2000 Ford Explorer XLT 4.0L MIL Lamp on VIN: 1FMZU73X2Y
Thanks to everybody who had responded. The information was very helpfull. I had replace upper plenum o-rings, which corrected the problem. Trouble codes: P0171 (Bank 1 system lean), P0174 (Bank2 system lean).
2003 Ford Crown Victoria 4.6L headlights VIN: 2FAHP71W13
Well, the fix is in! Great thanks to all that gave thoughtful responses. After we made sure (with this groups help) that we had covered all the basics, and that all the other possible causes had eliminated, we installed a new Lighting Control Module. T...
2007 Ford Taurus SE 3.0L Stall VIN: 1FAFP53VG7
sorry it took so long to close this one guys,life has been a bit hectic lately. sean from texas hit this one dead on the iac valve was the problem i was able to clean it all with air intake cleaner,cleared the codes and sent it on its way.the customer has dri...
2006 Honda Pilot LX 3.5L maintanence light VIN: 5FNYF28196
I had to wait for the week end to get this vehicle back.Robert from Indiana said 1 to turn ignition on.2pres select/reset knob untill oil life is displayed.3 press knob again for 10 seconds oil life will blink.4 press again for 5 seconds till it goes to 00. St...
1993 Jeep Grand Cherokee Laredo 4.0L No Start VIN: 1J4GZ58S4P
Thanks for all of the replies. This Jeep is fixed and on the road. The fix was to replace the computer with a Mopar reman. The clue was the check engine light not coming on for about 20 seconds. With the knowledge I now have, the next time I will diagnose t...
1996 Jeep Grand Cherokee Limited 5.2L rke key fob VIN: 1J4GZ78Y8T
the customer came back and i tried the suggestions of Joe [...] to do it manually.however i haven't got the luck, but i can deduce that t...
2008 Jeep Wrangler X 3.8L MIL Lamp on, SPEEDOMETER NOT WORK VIN: 1J8FA24188
had computer re set at dealer and all is ok now no engine or lights on at this time
1996 Mercury Cougar XR-7 4.6L Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1MELM62W7T
I came across the fix by mistake. Every time I would test the crank sensor it would run good for a while. It took a while but iI finally dicoverd that the crank sensor plug wires were contaminated with oil from a preaviously bad crank sensor. Once replaced it... Trouble codes: P0320.
1991 Toyota Previa DX 2.4L kick back on start u VIN: JT3AC21S1M
Hey guys and gals, I believe as some replies had indictated that this may be a head gasket problem. So times we forget the basics. I went though dist, wires, plugs. Ran the vehicle and pulled a hc reading from the rad with less than 5ppm seemed ok to me. Ran t...
2001 Volkswagen Beetle GLS 2.0L MIL Lamp on VIN: 3VWCB21C21
Hello Friend's Thank you all for all the reply's, this car is Fixed, first of all, i disconnect the battery cable and leave them connect to each other over night, after looking at the Mass Air Flow Sensor i could see that some one try to get in there, so i o... Trouble codes: P1152 (Long term fuel Trim additive Air Bank 1 Range 2 to lean Intermittent), P0606.
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