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Prev Professional Automotive Repair Technical Discussions for August 3, 2009
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1992 Buick Park Avenue 3.8L No Start VIN: 1G4CW5315N
Hello all and thanks for the help in advance. This vehicle came to shop after owner and friend had tried to do their own repair work (check related repair history). Car had dead battery and bad bat cable bolts, replaced bolts recharged battery and tried to sta...
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2002 Buick Rendezvous CX 3.4L im monitors VIN: 3G5DB03E92
here we go...this vehicle will not set the im monitors on the heated o2,catalyst,and evap...no pcm codes /did the drive cycles 5 times by the book... i highley suspect ignition switch because of previos Rendevous nightmares...thank you all in advance...ps the ... Trouble codes: U1300, U1016, U1014
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1992 Cadillac Fleetwood 4.9L Excessive Emissions, No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire VIN: 1G6CB13B8N
Hello guys, having a bit of trouble with this one. 1st cold start starts and runs poorly, rich, missing surging black smoke and sometimes dies. Some times it will after running this way in the shop for 5 minutes or so begin to idle fine again with a little rou...
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1963 Chevrolet Thunderbir 390CID Convertible top race switch sequence VIN: 3Y89Z10207
Hi friends: You have been very helpfull in the past. I have been restoring a 1993 Convertible top Thunderbird. Up to this point I BEEN been able to test all solenoids, relays and motors and they respond accordingly. But It has been very diffucult to figure ou...
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1999 Chevrolet Tracker 2.0L No Start, Stall VIN: 2CNBE18C6X
Vehicle came in as an intermintant stall, no start. Checked for codes, none found. Checked mode 6 data, no red flags. After running approx. 30 min. vehicle will stall or if shut off and allowed to soak for 10 min. will not start. While observing cam and crank ...
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2000 Chevrolet Tahoe LT 5.3L srs VIN: 1GNEK13T6Y
Replaced multi function switch, now have b0029 and b0041 side airbags open circuit. have had column apart 3 times checking work and cannot find reason. checked connections under both seats and at sdm. These codes were not on before replaced switch. any suggest...
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2001 Chevrolet Venture LS 3.4L high idle VIN: 1GNDXO3E61
hello everybody i need help with a 01 venture 3.4 the problem is it has a high idle the tps reads 2.0 volts at idle and 4.46 at wot the van idles any where from 1200 to 3000 i cant find any vaccumm leaks the iac reads 60 counts at idle if i use the scanner to ... Trouble codes: 121 (tps performance), 122 (tps high), 1122 (tps low)
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2003 Chevrolet Cavalier 2.2L Blower Motor VIN: 1G1JC52F63
Hello, Vehicle came in with inadequate/no air flow through the vents. There is a difference in the blower motors from Mexican to American Built but with Delco, there was a wiring kit that was also installed to changed fitting. Any help would be appreciated.
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2003 Chevrolet Suburban 1500 LT 5.3L no start VIN: 1GNFK16Z83
We normally only work on Asian cars my neighbor had this Suburban towed in and we are in over our head. Truck died while driving. When it got here my mechanic said there was a start signal to the starter but no crank. He replaced starter. Still no crank. I tra...
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2004 Chevrolet Silverado 3500 8.1L transfer case VIN: 1GCJK34G74
The customer complaint is no 4wd. On a 4 post lift with the switch on the dash in 4x4, front driveshaft does not spin leading me to believe that i have a transfer case problem of some kind (encodor motor possibly). I have found some codes in the transfer case ...
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2004 Chevrolet Cavalier LS 2.2L Mechanical VIN: 1G1JF52F74
2004 cavalier 2.2L ecotec. We replaced timing chain and tensioners and all guide.We know have a no start it just cranks.We did compression test and on cyl 1 we had 60psi and 0 on the rest.we have spark and fuel.Valves seem ok. It fails cylinder leak test.
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2005 Chevrolet Malibu LS 3.5L security system VIN: 1G1ZT52875
This Malibu with the CTD (content theft deterrent) is always goes into the armed state, even when it is not requested. I choose the RKE mode on the personalization menu on the radio, but as soon as I turn the ignition switch off, pull the keys and open and clo...
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1997 GMC C1500 Sierra GT 4.3L Excessive Emissions, Poor Idle Quality, Hesitation, MIL Lamp on VIN: 1GTEC14W3V
Help,, a good customer bought this from a family member and had the transmission replaced. The vehicle runs poor, shift times are wrong, and ck. engine light is on for TPS out of range. Pulled up on Mitchell and backprobed wiring. No 5 volt reference present a...
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2000 GMC Jimmy Diamond Edition 4.3L sdm module VIN: 1GKDT13W8Y
air bag light flashes 7 times and stays on.codes were b1001,b1000.replaced sdm and reprogramed bcm and vtd.all was good.after a few days light came back with B1000 internal fault?this sdm was new.ohm tested ckts from sdm connector,have power and ground and com...
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Fixes & Summaries for GM
Fix/Summary Answers
1988 Chevrolet C1500 Cheyenne 5.7L Volt gauge VIN: 2GCDC14KXJ
Fixed. thanks to everyone who helped. Fuel Pump preasure was measured low with external 12v supply. Replaced fuel pump. Oil preasure sender was leaking badly, replaced. Cleaned all the connections in under hood fuse box. Found after market wiring shorting two ...
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2001 Chevrolet Tracker 2.0L Cooling Systems VIN: 2CNBE13C61
EVER LOOKED PAST SOMETHING BECAUSE IT WAS NEW ? THE RADIATOR HAD BEEN RECENTLY REPLACED. THE PROBLEM ENDED UP BEING THE RADIATOR. IT WAS ABOUT 3/4 CLOGGED. SOME KIND OF STOP LEAKED HAD BEEN USED. WE FLUSHED OUT THE SYSTEM AND REPLACED THE RADIATOR AND ALL WAS ...
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2003 Chevrolet Corvette 5.7L Stall VIN: 1G1YY12501
hi guys sorry for the wait. i found out this car was wrecked on rt ft @ the battery box/computer the custermer had the wire loom and computer replaced, but when thay welded in the battery box thay may have splatterd the wire loom with weld slag.this car has ki...
6
2003 Chevrolet Monte Carlo LS 3.4L TCC Circuit VIN: 2G1WW12E53
Removed the valve body to inspect valves and bores, found no problems. Replaced the pressure control solenoid and the TCC control solenoid. Test drove and transmission is working properly. Check with customer last week and they say it is woring great. Thanks t...
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2002 GMC Envoy XL SLE 4.2L HVAC system VIN: 1GKET16SX2
The intermitant A/C no cool issue appears to be corrected. We replaced the low pressure switch w/a new one and the customer has said it has not acted up for 4 days now. The old switch did have the "brown band" around it as described in one of the replies so th...
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2002 GMC Sonoma SL 4.3L floor VIN: 1GTCS19W32
WE REMOVED INNER FENDER WHEEL AND DUG OUT MUD ON UPPER BODY, COULD NOT FIND OR SEE FROM TOP, RAN WATER NO LEAKS. THANKS TO ALL WHO HELPED. MIKE
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1996 Oldsmobile Achieva SL 3.1L Anti-theft VIN: 1G3NL52M6T
I have the answer to my question- a member in Arizona called me to let me know a shop I used to use (whom I thought had closed) had been bought out and has a new name. Jimmie's Radio in Phoenix is now called ISS, phone # [...]. They do all of GM's modul...
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2004 Oldsmobile Alero GL 2.2L Passlock VIN: 1G3N152F14
Thanks to all that replied. I inspected all connectors at BCM for corrosion and water intrusion as suggested but all were ok, inspected passlock sensor and 3 wire connector at ignition switch and these also were clean and secure, no broken or partially broken ...
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