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Prev Professional Automotive Repair Technical Discussions for April 23, 2005
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Open Help Requests for GM
Help Request Answers
1990 Buick Regal Limited 3.8L MIL Lamp on VIN: 2G4WD14L5L
Customer calls this week, lights are dim and check engine is on.Get the car into the shop,check charging system,Voltage and amps good.Checked for ripple voltage none.Checked battery,sulfated,replaced battery.Rechecked system.Still wondered about why lights dim... Trouble codes: 21 (throttle position)
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1992 Buick Regal 3.1L No Start
Hello My Fellow Techs,This vehicle came in with check engine on and that diagnoises came out to being a bad egr valve, 1 month later vehicle comes in on the hook and will not start no matter what I do. I have replaced the ECM cause i could not read ECM with my...
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1995 Buick Skylark Custom 2.3L No Start VIN: 1G4NV55D4S
I don't have access to TSB's, so I don't know if there could be something there to point me in the right direction. Anyone have an idea?
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1999 Chevrolet Silverado 1500 4.8L power steering VIN: 1GCEK14V2X
Hello fellow techs, Thank you in advance for any and all suggestions. I have this 99 1500 4X4 pickup that steers hard to the left, but fine to the right. It seemed that the last one of these that I had was fixed with a new pump, but that didn't work this time....
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1994 Oldsmobile Cutlass Ciera 3.1L No Start, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1G3AG55M8R
Vehicle sets a P0341 Very intermittently.Usually on hard acceceleration.Vehicle will stumble then sometimes die.Sometimes it is a no start with no spark present,no code set.Have replaced,PCM,Camshaft sensor,And Both Crankshaft position sensors.Any Idea's? Than... Trouble codes: P0341 (Camshaft position sensor)
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1996 Pontiac Sunfire SE 2.2L Poor Idle Quality, MIL Lamp on VIN: 3G2JB1243T
hello guys, this ones got me stumped. we have a misfire showing on cylinder # 2 and # 4 on the scanner. nothing out of ordinary showing on data besides misfires. fuel pressure is good. thinking ign. module not sure this is my sisters car so i'm working at the ... Trouble codes: P0300
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2001 Pontiac Firebird Formula 5.7L Posi Traction? VIN: 2G2FV22G81
Thanks for taking time to read this. This Trans am was brought in by customer with a complaint of no posi traction. I pulled cover off the diff and everything seems good. I looked on alldata but cannot determine whether or not this vehicle even has posi. The c...
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1992 Saturn SL1 1.9L sunroof VIN: 1G8ZH5492N
hi to all the techs out there ...i have a huge problem with this sunroof any help would be great help...it came in for an oil change and i opened the sunroof and it would not close a checked the wiring diagram i know it showa a rely i know it's got to be that ...
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Fixes & Summaries for GM
Fix/Summary Answers
1992 Buick Century Special 3.3L alternator VIN: 3G4AG54N1N
good afternoon everyone thanks for all the help and replys, it turn out to be 3 corroded wires coming from the alter to the starter. ther were corroded right at the frame by the radiator . have agood and bless day
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2000 Buick LeSabre Custom 3.8L Jerks in to reverse and to drive when cold VIN: 1G4HP54K1Y
Replaced #1 #2 shift solinoids witch helped the hard shifting for about 2 weeks then it started to return so we rec. rebuild thanks for the help from every one
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1999 Chevrolet Express 3500 5.7L Converter Clutch VIN: 1GBKP32R0X
Good Day All; Thank you much for taking the time to read our post. Thanks to camdupracing, merkur, PWRSHIFTER, and rjkanary for the replies. I'll respond to each one of you personally when I have more time. As in the original post, the problem was mechanical. ...
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2003 GMC Sierra Denali 6.0L cranking spark knock VIN: 2GTFK69U33
After using a remote starter switch to crank the engine w/o the key, I noticed that there was no spark knock. This would seem to eliminate carbon build-up as a possibility. Knock sensors checked ok, so I sent it to the dealer for a reflash. I am not sure the...
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1979 Oldsmobile Delta 88 6.6L radiator VIN: 3L37Y9X197
Thank you all. First of all let me tell you that this is a pet project for one of our tech's own cars. Secondly, the engine builder would not believe that there could be internal leaks in the newly rebuilt engine. After checking everything again. Water flow, r...
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2000 Pontiac Sunfire SE 2.2L idiot lights, fuel gauge and tach VIN: 1G2JB524XY
Thanks to all that responded and those that would've if they could've, The answer was, as AJ [...] said, 'the ground connection below the battery negative'. I found and confirmed this fault by observing that there was 1/2 to 2 volts on any ground I checke...
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