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Professional Automotive Repair Technical Discussions for May 29, 2009 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2002 Buick Park Avenue 3.8L Cuts out VIN: 1G4CW54K72 Traced original code PO102 to problem with PCM--replace and flashed PCM. Then found intermittent loss of communication with the scan tool--like turning key off--replaced crank sensor, eventually ignition switch. With other maintenance have replace plugs, pcv, ... Trouble codes: P0102 |
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| 2003 Buick Park Avenue 3.8L abs VIN: 1G4LW54K33 When making stops from higher speeds the vechile acts like ABS braking but the scanner shows its not. Would the Vechile stability enhancement system cause this and how would I go about checking it. All four wheel speed sensors test good scooped with modus and ... |
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| 1997 Cadillac Eldorado 4.6L driver's temp door VIN: 1G6EL12Y8W Thanks in advance for any help.The owner of the car says that the driver's side blows hot and the passenger side blows cold. The driver's side temp actuator will not move regardless of where the temperature knob is turned. Replaced the actuator and the program... |
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| 2005 Cadillac STS 3.6L engine VIN: 1G6DW67715 Hi everyone.I have this 2005 sts with a 3.6 vvt engine.It has developed a rather loud grinding noise from the front of the engine between 1500 and 2000 rpm in park or neutral.I have removed the front cover expecting to see the culprit right away but to my surp... |
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| 2001 Chevrolet Cavalier 2.2L MIL Lamp on VIN: 1G1JC12471 help Trouble codes: P0440 |
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| 2002 Chevrolet Express 2500 5.7L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1SCSS25R42 thanks in advance.this vehicle is rough running at idle & off idle ,missing constantly. came in for lack of power under load & got progressivly worse . code p0300 for the miss fire , code p1345 for the cam in sysc . replaced the tune up parts & distributor . n... Trouble codes: P0330, P1345 |
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| 2005 Chevrolet Malibu 2.2L evap monitor VIN: 1G1ZS52F35 vehicle will not pass im test due to evap monitor showing not ready. no trouble codes. when i drive the vehicle in the morning with scanner attach the evap status and evap test starts out with no response then the evap test switches to on. the evap test runs t... |
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| 2006 Chevrolet Express 2500 4.8L Hesitation, Misfire, MIL Lamp on VIN: 1GCGG29V16 hi guyz need HELP on this vehicle. vehicle came in orignally with p0200 and p0300 codes and runs rough.# 7 cly show sever missfire in misfire frame around 2000 counts and rest of the clys between 4 and 26 counts.seems to get worse when after reaching operating... Trouble codes: P0200, P0300 |
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| 2006 Chevrolet Trailblazer LT 4.2L Poor Idle Quality, Cuts out, MIL Lamp on, no throttle control VIN: 1GNET16S76 This truck came in No Start no crank, with no fuel pressure Had good power and ground at fuel pump so I replaced the pump, now has fuel. Also had a blown main fuse 180 amp when it came in. After repairs it started and ran but after about 2 min's it started idl... Trouble codes: P0068, P0300, P0171 |
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| 2005 GMC Sierra 3500 6.6L No Start, Cuts out, fuel transfer VIN: 1GDJC342X5 This li'l gem was here when I started in January(thats my "I didnt do it" disclaimer) and I was told it was repaired. The history of the truck was that it would run out of fuel in one tank and not read empty or set a MIL or kick the gauge to empty. So the solu... Trouble codes: P2636 (Fuel transfer pump insufficient), P0462 (Fuel level performance) |
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| 2003 Pontiac Grand Prix SE 3.1L No Start, Stall, MIL Lamp on VIN: 1G2WK52J73 The customer drove it in and I drove it into the shop. It had these six codes, but was running great. After a day of starting, and monitoring PID's it started acting up on a more regular interval. I have good solid 5 volt Referance when I check at each compone... Trouble codes: P0122 (TP Circuit Low), P0452 (Evap Pressure Signal Low), P0462 (Fuel Level Sen. Low Volt or Short), P1122 (TP Cir. Int. Low), P1635 (5 Volt Ref. Cir A Low), P1639 (5 Volt Ref Low TCM A/O Fault) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2002 Buick Park Avenue 3.8L brakes VIN: 1GG4CW5KX2 I had used new rotors from napa, I put them on right out of the box and did not check them. Got the car back in and checked rotors on was warped replaced with another new one and everything is fine now |
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| 2001 Cadillac Seville SLS 4.6L Cluster back lighting VIN: 1G6KS54Y11 Thanks to all who helped. It was the cluster. There must have been a logic problem within the cluster itself. The back lighting was capable of switching on, but the cluster would only activate it with a scan tool command. I had to send this one off to be rebui... |
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| 1998 Chevrolet Blazer 4.3L overheating thank you to all that replied the problem was the fan clutch, I did not know how to do that test. the other problem with the coolant loss was the radiator cap. thank you again for the help. |
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| 2001 Chevrolet Impala LS 3.8L gear ratio error VIN: 2G1WH55K01 Thank you for your replies, especially Ted from Michigan. We checked the tone ring while it was out and it was tight, but with your suggestion we did more research and found the bulletin on the slipping tone ring and decided to check it again. We warmed the c... |
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| 2002 Chevrolet Impala LS 3.8L cooling fans VIN: 2G1WH55K92 we did find the fix for this car. when the engine temperature would indicate the coolings should operate the pcm would not control the relays on. you could at the same time command the fans on at low or high speeds with the scan tool and the fans would operate... Trouble codes: N0NE. |
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| 2004 Chevrolet Impala LS 3.8L Radio VIN: 2G1WH52K64 Thank you to all that responded. I am off to the dealer to have them program the vin into the used radio with a Tech 2. All should be well after that. Thanks again. |
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| 1996 Geo Metro LSi 1.3L No Start VIN: 2C1MR5297T Problem was sheered crank shaft keyway and bad distributor. The other garages over looked the fact that the engine would not time correctly and one of them put a bad used distributor in it. I hate cars that have been all over creation to get fixed. If it break... |
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| 2003 GMC Yukon XL 1500 Denali 6.0L rr hvac fuse VIN: 1GKFK66U63 IT IS FIXED!! I REPLACED THE RSA BUT STILL HAVE NO CONTROL OF TEMPERATURE FROM OVERHEAD CONSOLE. REPLACED OVERHEAD CONSOLE AND EVERYTHING CAME TO LIFE AND WORKED FINE. I TEST DROVE IT AND RETURNED TO SHOP TO CALL CUSTOMER AND PULLING INTO THE PARKING LOT I HEA... |
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| 2002 Saturn Vue 2.2L No Start, Stall VIN: 5GZCZ23D12 Thank's everyone for the onfo. It turned out to be the BCM. Installed a new one, went through the re learn process, and off to happy customer land. Again, thanks for the help. Trouble codes: P1599 (Engine stall or management). |
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