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Prev Professional Automotive Repair Technical Discussions for September 15, 2005
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Open Help Requests for GM
Help Request Answers
1974 Buick Riviera 7.5L reverse
This th400 slips and shudders in reverse. All other gears work perfectly. Line pressure is correct, even in reverse. It started after rebuilding the trans for a torque converter failure. The direct clutch and low/reverse servo air check good. But here's the in...
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1991 Buick Park Avenue 3.8L Blower VIN: 1G4ZW53L9M
Hellllllppppppppppp!!! This is my sons car. I have Mitchel but I can't seem to diagnose my problem with it. Is it just me? Alldata any better? Any way the blower stoped blowing.If I put power to the blower motor it blows fine.I did their blower motor test. Aut...
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1995 Buick Riviera 3.8L Charging VIN: 1G4GD2215S
Hello to all, I have this little Riviera that is setting a battery volts out of range code P1630. I have checked the archives and read that there is a thermistor that can go bad but I can't find it. Any ideas where?? It is charging at 15.8 volts according to ...
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1995 Buick Riviera 3.8L Cuts out VIN: 1G4GD22165
Need some advice on this one.cuts out by 3900rpm allways. Fuel trim 128 LT trim 143, trim cell16 maf 67.64 gm/sec., when it happens. Ordered a new fuelpressure regulator, should by in next week.
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1997 Cadillac DeVille 4.6L Cuts out VIN: 1GTDC14Z6P
we tuned up this northstar used delco parts install wire lube in ends of plug wires. after about a month the car came back with po300 mult cyl misfire. we took plugs out and found 2 carbon tracked and burned changed them and car ran fine car is back again with... Trouble codes: 300 (mult cyl missfire)
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1995 Chevrolet Blazer 4.3L No Start VIN: 1GNCT18W3S
Hello, this vehicle was towed to me when the owner couldn't get the engine started after replacing the engine. I have run through the "no start but cranks test". If you are familiar with this test at about step 7 you momentarly energize the yellow wire going t...
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1995 Chevrolet Camaro Z28 5.7L Poor Idle Quality, Hesitation, Cuts out, Misfire VIN: 2G1FP22P9S
we are at current thought of testing bcm any ideas would be nice. Trouble codes: 18 (no fuel injection pulse)
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1996 Chevrolet Camaro Z28 5.7L cooling fans VIN: 2G1FP22P4T
This Camero came in with the radiator seams split. After replacing the radiator we were running the engine and the temp went to 225 with no cooling fan operation. The fans work with a/c on and if you go into function tests you can command the fans on and they ...
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1997 Chevrolet Cavalier 2.4L turn signals VIN: T5VE106622
Hi. I have a 1997 Cavalier convertible in which a customer just bought that has turn signal problems.The car had been repaired in front by a body shop at some point.When turning on the left turn singal the front lights outside flash fast and dim, and the indic...
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1999 Chevrolet Cavalier LS 2.4L fuel system, electrical VIN: 1G1JF52T7X
wont start at times. turns over fine sometimes starts without any problem for 20-30 times. sometimes only 3-4 times an then no start. security light flashes when no start. i would appreciate any help you may have to offer. thanks. troy [...] auto se...
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1999 Chevrolet Prizm 1.8L headlights VIN: 1Y1SKS285W
car came in with customer complaining it would shut off when he turned the headlights on. sure as the world, car at idle or at highway speeds, you turn the lights on and it dies. i have since noticed that when the electrical system is loaded (ie wipers, turn s...
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2000 Chevrolet Tracker 2.0L No Start VIN: 2CNBE13C7Y
After a hot soak this vehicle does not start the first try usually on the 3rd try, I have to hot soak just the right amount of time 5-10 minutes to reproduce the problem. The problem cannot be reproduced any other way, and the vehicle runs perfectly otherwise....
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2003 Chevrolet Express 2500 6.0L Compressor VIN: 1GAGG25U13
Good evening guys, this van has a problem I'm sure I have heard of before. I searched the archives and could not come up with the exact problem. When clutch engages at any higher engine speed the tensioner will slap viciously. It must be moving about 1.5 inche...
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1989 GMC V2500 Suburban Sierra Classic 5.7L Cuts out, Stall, Misfire, MIL Lamp on VIN: 1GKGV26K0K
The vehicle was parked for a year at about 5000 feet. When it was put back into service cuts out and misses. Customer put in new fuel and a quart of methanol. When it was brought in it ran very poor check codes had code 51. Ran diagnosis "very simple", check E... Trouble codes: 51 (check ecm prom and connections)
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2003 GMC Savana 3500 6.0L crank fuse VIN: 1GTHG35UX3
crank fuse blows intermitantly. checked harnes for coroded or shorted wires .did not find any,starter terminals badly corroded.replaced starter still blew the fuse replaced park nuetral switch fuse still blew.
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2000 Saturn SL1 1.9L starts & dies VIN: 1G8ZH5281Y
dead battery, jump started,ran o.k. then next time dead again,jumped again drove to shop. cleaned battery terminals, charged battery starts and immediately shuts off security dash light flashes for 10 minutes. have tried to reset as per saturn still wont run. ...
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Fixes & Summaries for GM
Fix/Summary Answers
1990 Chevrolet Corsica LT 3.1L Hesitation, Surge, Cuts out VIN: 1G1LT54T5L
WELL GUYS i WISH I COULD TELL YOU THAT THIS WAS EASY BUT YOU KNOW TAKES MANY LEARNING EXPERIENCES. THANKS TO ALL THE REPLYS AND I GUESS ALL IN ALL TO BE HONEST IT WAS THE INJECTORS BUT NOT SHORTED OR BAD. WE REPLACED THE MODULE AND COMPUTER DID NOT FIX ANYTHIN... Trouble codes: 44 (lean exhaust).
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1992 Chevrolet Cavalier Z24 3.1L Rear Brakes VIN: 1G1JF14T9N
Hi guys! Well this one is done! I'd like to thank everyone who responded. Most of the responses suggested that something was wrong in the rear brakes, weather it be the shoes, drums or both. Since we had another Cavalier out back with a bad engine we decid...
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1994 Chevrolet Corsica 3.1L RR speed sensor VIN: 1G1LD55M7R
Hey there guys, I have not yet gotten the car back, BUT the customer said it hasnt acted up at all. I appreciate all the help, but it looks like I unwittingly fixed this one. Apparently the two rear bearings and sensors were bad. Not too sure about what fixed ...
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1990 Oldsmobile Cutlass Supreme 3.1L No Start, Cuts out, Stall VIN: 1GMBP2YT22
Fist a hugemungous thank you to all who replied.What I didn't mention was I told my sis-in-law to buy this car due to the low price and mileage...soo who felt like the heel here? Anyway, on to the fix, it had 2 bad injectors on #4 and #6. I changed the injec...
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1991 Oldsmobile Cutlass Ciera SL 3.3L No Start, Cuts out, Stall VIN: 1G3AM54NXM
thanks to all that replied, the actual problem was that all six injectors were bad, never ran into a vehicle with every injector failing resistance checks. something to think about next time a vehicle thats been sitting for a year or more comes into shop with ...
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2000 Oldsmobile Bravada 4.3L Misfire VIN: 1GHDT13W4Y
Thanks for all your help. Many replies were headed in the wrong direction as I was. I took the vehicle to my trnasmission man and he told me it was an engine miss. I told him to think again. Then he said there was a possibility that the viscus clutch in the au...
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2000 Oldsmobile Bravada 4.3L fuel gauge, security, battery, abs, awd, etc VIN: 1GHDT13WXY
Stick a fork in this one---its done! Thanks for the helpful replies. We tried the ignition switch after all other atempts failed, but no luck. We should have went after the inop. power seat first(of course).That is where we found the bad ground, under the driv...
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1980 Pontiac Firebird 5.0L Shifting Points VIN: 2X87TAN135
As with some vehicles MUTIPLE problems confuse you when you are looking for one cause to all your issues. This was the case as there were three problems with the transmission - Modulator stuck - Govenor NG - and the valve body was damaged by a previous install...
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1996 Pontiac Grand Am SE 2.4L gauges VIN: 1G2NE12TXT
Various techs suggested ignition switch or lock cylinder problems. Others reminded us to check power and ground connections, but in this case the fix was a used instrument cluster. Because the cluster houses the anti-theft mod, it had to 'learn' the vehicle's ...
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