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Professional Automotive Repair Technical Discussions for February 9, 2010 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1968 Chevrolet Corvette 7.0L wipers VIN: 1946785421 Help!!! I have been pulling my hair out on the corvette wiper system. I have the vacuum system al starightened out but when the switch is on and the wipers are engaged it will not send the ground down the terminal to turn off the wiper override light. There ar... |
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| 1988 Chevrolet Blazer Scottsdale 5.7L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, MIL Lamp on VIN: 1GNEV18K3J Vehicle came in with a idle surge & power loss. Fuel pressure is okay, timing is okay, engine is mechanically sound. When the map sensor is disconnected the idle levels out and has better power. Tried new map sensor, did not help. plugged in new ecm now the c.... |
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| 1995 Chevrolet S10 4.3L shift VIN: 1G2BTE4ZTC origanaly came in cause clutch pedal would not move and we found that the fork had broke over the pivot pin, so it got a new clutch kit, shift fork, and pivot pin. after repairs it was really hard to get into gears so new master and slaves were installed whith... |
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| 2000 Chevrolet C3500 6.5L No Start VIN: 1GBKC34F6Y The other day the driver took the truck to the car wash and it started to stumble like it ran out of fuel and then stalled. I came down to the truck and opened up the air bleeder at the fuel filter and I will be honest the grossness that came out wasnt funny. ... Trouble codes: 1216 (660 -), 660 |
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| 2001 Chevrolet Blazer LS 4.3L Unknown VIN: 1GNDT13W11 Customer Complaint of Four Wheel Drive Not Working Sometimes,Checked Actuator Under Battery It Was Full Of Transmission Fluid As Well As The Vacuum Switch On Transfer Case,Checked Fluid Level On Transfer Case And Was Very Full,Seems To Be Pumping Transmission ... |
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| 2003 Chevrolet Silverado 1500 5.3L fuel gauge we replaced the fuel pump and now the truck runs. fuel gauge stays on empty with the low fuel light on. i have checked my wiring, tried and tested 2 new delphi pump assemblies and replaced the dash pod with an updated remanufactured unit. is there a control mo... |
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| 1997 GMC K1500 Sierra SL 5.7L No Start, Stall VIN: R6V1557000 Came in blowing ECM-1 fuse,no ecm communication obviously.Followed GM & All Data diag trees,by disconnecting various ECM-1 controlled compoents 1 @ a time.Found last step at cpfi connector to cause circuit breaker in place of fuse to TRIP OUT.Continued "wiggli... |
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| 1997 Saturn SL1 1.9L MIL Lamp on VIN: 1G8ZH528SV This car keeps setting a P0340 code intermittently upon start-up. Started shortly after it had a tune-up with aftermarket wires. Apon viewing TSB's and IATN, we replaced ignition wires with OE. 3 days later it returned with same code. We then installed new ign... Trouble codes: P0340 (Camshaft sensor code) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1991 Chevrolet Camaro RS 5.0L PCM, Cal pac, prom VIN: 1G1FP23E2M We bought a PCM on Ebay for a '91 Camaro 5.0 and it fixed all of the concerns. Thanks to all who replied. |
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| 2001 Chevrolet Silverado 2500 HD 6.0L 6.0L, 4L80E, 4x4 VIN: 1GCHK29U61 Thanks to all for the input! Although this vehicle has not been converted yet, a complete donor vehicle will be utilized to stay compliant with emissions laws. Thanks! |
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| 2007 Chevrolet Impala LS 3.9L Poor Idle Quality, MIL Lamp on, idle will raise VIN: 2G1WU58R17 Thanks for the input. went over everything again. decided to try reflashing computer. low and behold it fixed the vehicle. thanks for all your help IATN. ed [...] Trouble codes: P0121, P0507. |
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| 2005 GMC Yukon SLT 5.3L Drive-axles VIN: 1GKEK13T75 Checked tire circumference, size, and wear- All OK, increased tire pressure from 32 to 40, Rotated tires. Problem was much better & customer is happy. Thank everyone for replys, I appreciate your time & knowledge. |
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| 2005 GMC Sierra 2500 HD SLE 6.0L Misfire VIN: 1GTHC24U05 Hi all,let me start by saying thank you to everyone that replied.I'm going to call this one fixed. We checked for vacuum leaks, did backpressure test on cats and even put in a new GM crank sensor with relearn procedure, with same result. We ran it out of fuel,... Trouble codes: P0300. |
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| 2001 Pontiac Grand Am GT 3.4L coolant fans VIN: 1G2NW12E41 Well guys this one is down the road. Many of you said to replace thermostat and clear codes but as my post stated this had already been done and did not help. It was the PCM replaced and programed it all works now thanks everyone that replyed |
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