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Professional Automotive Repair Technical Discussions for December 31, 2013 International Automotive Technicians' Network (iATN) - Members Only |
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(Also Available: All, Asian, Chrysler, European, Ford, GM.) | ||
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Open Help Requests for GM
Help Request | Answers | |
1994 Cadillac DeVille 4.9L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy VIN: 1G6KD52B5R I will keep this short and simple. I have been working on this caddy for a while now and have ruled out everything more than once or twice in most cases. I have performed voltage drop tests on both the power and grounds for both the pcm and engine: ie engine g... |
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1981 Chevrolet Corvette 5.7L Buzzer VIN: 1G1AY8760B The buzzer for the seat belts, key-in, and doors will not shut off when key is removed. When ignition is put into the "run" position, the timer shuts the buzzer off. This seems to indicate that the switch inside the steering column is defective. However, that ... |
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2000 Chevrolet Silverado 1500 4.8L MIL Lamp on VIN: 1GCEK14V7Y Hi Folks: This truck has a reoccurring mil with P0171 and P0174, lean banks 1 and 2. Engine starts and runs perfectly with no symptoms. First, I replaced the fuel filter because fuel pressure was 2 psi low. No effect. Then I replaced the fuel pressure regulato... Trouble codes: P0171, PP017 |
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2005 Chevrolet Suburban 1500 LT 5.3L filling gas VIN: 1GNEC16Z25 When I put gas into the tank the pump shuts down as is it is full. |
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2009 Chevrolet Traverse LTZ 3.6L Poor Fuel Economy, MIL Lamp on VIN: 1GNER33D89 This is our shop vehicle,originally set this DTC and found one of the post cat o2 sensor's heater shorted.I chose to replace all four of them as the vehicle has been trouble free and they are all the same age.The mil stayed off for several weeks ,then intermit... Trouble codes: P2099 (lean) |
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2001 GMC Yukon Denali 6.0L Poor Idle Quality, Surge, MIL Lamp on VIN: 1GKEK63U41 This came in with a rough idle, misfire, to stall, and mil on when cold and hot. Replaced ignition wires that were scored, replaced both front o2s because they were stuck at 20 to 50 mV all the time. The misfires are gone, it runs great on the road but it has ... Trouble codes: P0171, P0174 |
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2008 GMC Sierra 1500 WT 5.3L hydraulic brakes VIN: 2GTEC13J78 Truck came in for routine maintenance with no issues. After performing brake fluid flush with vacuum evacuator hooked to bleeder valves, truck has no brake pedal. Bleeding brakes manually produces a significant amount of air from front brake caliper bleeder va... |
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Fixes & Summaries for GM
Fix/Summary | Answers | |
1990 Oldsmobile 98 Regency 3.8L Column VIN: 1G3CX54CXL FIRST & FOREMOST, THANKS TO EVERYONE WHO RESPONDED TO MY REQUEST. MOST SUGGESTED REPLACING COLUMN AGAIN WHICH IS WHAT I AM IN THE PROCESS OF DOING. THANKS AGAIN & AL [...] HAVE A GREAT NEW YEAR. |
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