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Professional Automotive Repair Technical Discussions for March 3, 2004 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1994 Buick Park Avenue 3.8L Cooling actuator motor VIN: 1G4CW52L5R Hey guys, this car is killing me. I need some help with this headache. Customer came in with a complaint of a vehicle blowing cold air most of the time. Tested cooling system, made sure vehicle was getting to normal running temp. And Vehicle is running at abou... |
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| 1994 Cadillac Seville SLS 4.6L Cuts out, Stall VIN: 1G6KS52Y6R Hello, This is my first post for help. Customer reports vehicle suddenly started dying,cuts off suddenly when first started and/or when try to accel. Initial fuel pressure test with fuel pump relay jumpered,engine off-showed less thsn 20 psi max. Waveform with... |
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| 1988 Chevrolet C1500 Cheyenne 5.7L Differential VIN: 1GCDC14K2J Hey Gang, This truck came in with the rear diff blown apart. It has a 2.73 ratio in it. I can't find a used 2.73. Have found lots of 3.42 ratio. My question is has any body done this swap and how do I go about making the speedo right? Keep in mind this trans h... |
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| 1990 Chevrolet Corsica LT 2.2L Stall VIN: 1G1LT54G8L this is for gm tech. chevy corsica sudder and stall in drive moving in slow speed without any acceleration. new spark plugs. no code. transmission harness for solonoid already unplug.check for vacuum leak.it may be possible trans problem.remove idle motor clea... |
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| 1995 Chevrolet S10 LS 2.2L Excessive Emissions, MIL Lamp on VIN: 1GCCS1940S got another one ,i got a co-worker 95 s10 2.2L p/u that is failing nox emissions. previously customer replaced egr valve o.e. and after market cat. i have plenty of vacuum to the valve and i rechecked the valve again all ok. it seems though that their is not e... Trouble codes: 32 (egr error) |
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| 1997 Chevrolet K2500 Cheyenne 7.4L distributor VIN: 1GCGK29JXV distrubutor was not turning...removed distributor and found drive gear stripped...suspect oil pump locked up and stripped gear...?? has anyone ran into this in past..?? any help appreciated before starting to work on engine.. |
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| 1997 Chevrolet Express 1500 5.7L Steering VIN: 1GBFG15R0V I have this van the customer called and said the steering would be come hard to steer backing out of driveway or resteraunt drive thru. I thought this must have a hydroboost brake assist problem. Customer brought in and it does not have a hydroboost. Running ... |
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| 1998 Chevrolet Cavalier Z24 2.4L foglamps VIN: 1G1JF12T4W Hi all, have this cavalier with inop left front lowbeam headlamp. I know that these have quite a problem with the front wiring along bumper to washer bottle area. But this cavalier appears to have dealer installed fog lamps.(cust bought brand new ,never been a... |
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| 1998 Chevrolet K1500 Cheyenne 5.7L wont shut off VIN: 1GCEK19R6W engine will not shut off until you pull the lighting fuse. i'm thinking it is the daylight running light module. Any help is appreciated. |
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| 2000 Chevrolet Cavalier 2.2L service light VIN: 1G1JC5248Y when you put the car in gear the daytime running lights flash 10 times then go out. the service [...]. any information on this would be greatly appreciated. thanks. |
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| 1999 GMC Jimmy SL 4.3L Poor Idle Quality, Misfire VIN: 1GKCS13W8K long story short.this truck was taken apart by 1 tech and reassembled by tech#2 who has not shown up in 2 days.scan tool shows constant miss fire counts on #1 and #3 but there is no dtcs set.cylinders are side by side.smoke tested for vacum leak.compresion goo... |
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| 1998 Pontiac Sunfire SE 2.4L Daytime Running Lights VIN: 1G2JB52TXW Hello All, I have a Sunfire driving me nuts. The DRL indicator on the dash just flashes when the vehicle is taken out of park and the headlamps are off. The DRL do not illuminate. They will come on if I manually ground the DRL relay at the cluster. I followed... |
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| 1998 Pontiac Sunfire SE 2.2L Theft System VIN: 1G2JB1246W Customer brought car to us, from another shop who gave up trying to fix problem. It has a GM factor theft system. Will start and shut right down. Let key on for 10 minutes, still will not stay running. Customer wants this system taken OFF or Bi passed permentl... |
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| 2001 Pontiac Grand Am GT 3.4L Suspension VIN: 1G2NW52E31 this car has a cracking type crunching sound when the car is under a load turning...it does not do it when your driving down the road..unless you are turning the wheels it almost sounds like a pop can being crunched..you can not feel it in the steering wheel..... |
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| 1992 Saturn SL 1.9L Stall, Misfire VIN: IG8ZK547XN This saturn is driving me nuts. It has a very intermittent miss on a cell when it's mostly cold. Vehicle has new coils & new wires. I did a top engine clean on it and it ran great for 1-1/2 days. I had the lab scope on the plug wires & injectors to see if I wo... |
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| 1993 Saturn SC1 1.9L Odometer VIN: 1G82G1570P To All Saturn Techs, Have a 93 SC Coupe that the speedometer reads MPH but the odometer does not register the miles. My thinking was speedo head time. But Saturn tells us that this problem is usually a problem in the passive restraint system instead of the sp... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1988 Buick Regal Limited 2.8L Cuts out VIN: 2G4WD14W3J well i like to thank all who replied to this problem-unfortunately i ended up figuring it out the hard way-time and effort!!!,the problem was a shorted coolant corrositivity/level sensor!!! its mounted in the radiator and had shorted internally to sensor groun... |
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| 1998 Buick Regal LS 3.8L Unknown VIN: 2G4WBS2KOW i had 6 replies. 2got us in the right direction. cust. also said he no cruise. when no fan operation checked fuses under hood. found no power for cruise,rear defro. so other tech started playing with ign. switch. if switch was moved just a little to start pos.... |
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| 1996 Cadillac Eldorado ETC 4.6L Electronic VIN: 1G6ET129XT Well, it's finally out the door. I replaced the input speed sensor with the transmission still in the car. Had to lower it significantly but it wasn't so bad. As I removed the valve body and pump assembly I left the bolts in place. They are all different sizes... |
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| 1994 Chevrolet S10 4.3L Cuts out VIN: 1T34SDHYEY the spider unit for the cpi injectors fixed the conditions-thanks guys. |
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| 1994 Chevrolet K2500 Cheyenne 5.7L Surge VIN: 2GCFK29K1R Thank all of you for your advice. Many of you were correct in stating to ck the EGR valve . I decided to try Dan's advice on testing the EGR vale . He suggested that I open the EGR vale with hand vacuum pump...then start the engine, and I should see the valve ... |
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| 1995 Chevrolet K1500 5.7L spark knock VIN: 2GCEK19K6S Thank you to all who took the time to help. We disprooved our original finding of high compression with an other gauge. The copression was 160 psi. We varified that our timing marks were acurate, and ECM was controlling it. We then traced down the knock sensor... |
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| 1995 Chevrolet Blazer 4.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GNDT13W1S Thank you to everyone that took the time to help, all 17 replies. All said to look at egr valve for carbon. I got access to a scaner had muiltable miss fire code. Removed egr sure thing carbon stuck in pintle. I replaced egr valve do to mileage. Many replies s... |
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| 1995 Chevrolet K1500 Cheyenne 5.0L engine noise VIN: 1GCEK19H6S Hi, everyone. I had numeris repronses. Ithank you all. Most said either timing chain or rocker arms. I pulled the valve covers and the rocker arm are oiling well. Checked timing chain by rotating crank and wacthing dist. OK . Some said Dist. Have not pulled it... |
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| 1995 Chevrolet S10 4.3L MIL Lamp on VIN: 1GCCS14Z5S Thank you very much code PO228 it was a bad knock sensor and code P0296 is ign. module. The truck had an after market ign. module. Afther I put the new AC module it fix the PO296. And for a new knock sensor fix the PO228. Trouble codes: P0228, P0296. |
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| 2002 Chevrolet Monte Carlo LS 3.4L engine VIN: 2G1WW12E12 hi, thanks for all the help i received. i had 3 people give me the correct fix for this vehicle. the catalytic convertor was plugged, we removed it from engine manifold and car ran fine. vehicle was still under warranty, made an appointment with dealer to get ... |
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| 1997 Oldsmobile Aurora 4.0L Poor Idle Quality, Misfire VIN: 1G3GR62C4V I took the advise of Scott [...] replied with what I thought may be heading us down the right track of checking all inputs and outputs to ignition modu... |
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| 2001 Pontiac Grand Prix GT 3.8L Poor Idle Quality, Poor Fuel Economy, MIL Lamp on VIN: 1G2WP52K61 Its fixed gone done fineto out of my hair - whats left of it!! We received many great replies. Thanks to all!! We sent it to the local dealer they reprogrammed it. NOT the problem 2 days later same code. We had checked the passage before and it was open... To ... Trouble codes: P1404 (EGR Sol 2 Perf). |
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