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Prev Professional Automotive Repair Technical Discussions for September 16, 2014
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1989 Buick LeSabre Custom 3.8L Excessive Emissions, Poor Idle Quality, Surge, Cuts out, Stall VIN: 1G4HP54C9K
vehicle will run and idle fine when cold once it gets to temp it will start to run rough almost like a very bad skip runs very rich from tail pipe but ecm data shows the o2 to be switching. grounded the ets at ignition module while running to see if it would c...
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1992 Chevrolet Blazer Cheyenne 5.7L Hesitation, Cuts out, Stall VIN: 1GNEK18K6N
Vehicle came in with a misfire. Vehicle will idle and Rev fine. As soon as tog drop it into gear vehicle will not Rev or pull it's self. Customer has replaced all electrical components under hood. I've checked voltage fuel pressure timing. Everything appears t...
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2001 Chevrolet Malibu LS 3.1L No injector pulse VIN: 1G1NE52J01
Customer brought me the car with a complaint that the car would intermittently crank, but not start. Engine started repeatedly the day they brought me the car. I did note that the SEL lamp and Coolant Level lamps were on. Scanned the PCM for fault codes. Multi...
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2002 Chevrolet S10 4.3L Misfire, MIL Lamp on
car came in bad misfire mil flashing only code was p0300. found worn out plugs,and cap and wire corroded replaced all of them. still had high misfiRE counter on cyl #4 And #6 but not as bad. replaced injectors misfire dropped to none in cyl 6 and very low in c... Trouble codes: P0304
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2003 Chevrolet Avalanche 1500 5.3L no start,no charge VIN: 3GNEC13TX3
Customer came in with no start, no charge complaint.Dvom read 11.6 volts running at that time.After customer left, hooked up battery charger and scantool.After some charge time (during witch I booted up the scantool,started some notes,etc.),I started the vehic...
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2006 Chevrolet Malibu LT 2.2L noise VIN: 1G1ZT51F46
This has had control arms,stabilizer links new rack and every part you might replace to resolve this. Sounds like the clunk is under the dash or firewall might it be in the colum? Has electronic steering on the column Thanks for any ideas.
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2010 GMC Terrain SLT 2.4L Poor Idle Quality, Surge VIN: 2CTALFEW7A
thanks for the help, this gmc terrain 2.4 has a high extended idle. it will idle down after 15-20 seconds. at park, if you goose it the idle goes to 2500-3000 rpms and slowly goes to normal idle. when you drive the car it will surge on deceleration to a stop.(...
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2004 Pontiac Grand Prix GT2 3.8L Cooling Systems VIN: 2G2WS52264
Customer brought car to shop with overheating problem. Per them it has been a long running issue. They had removed thermostat. We replace thermostat and radiator as old radiator very rusty bled system, let run in shop for about an hour and test drove on inters...
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2008 Pontiac G6 2.4L starter operation VIN: 1G2ZG57B28
thanks in advance, this vehicle was brought in with owner complaint of no guages while driving down the road. all guages were inoperative with no lights in dash. when customer dropped vehicle off he said that the problem started the day before when his wife c...
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Fixes & Summaries for GM
Fix/Summary Answers
2002 Chevrolet Silverado 3500 6.6L oil gauge VIN: 1GCJC33152
THIS ONE SEEMS TO BE SATISFACTORILY FIXED. I'LL START BY ADDING THAT WE DID USE 15W40 MOTOR OIL AND THE CUSTOMER COMPLAINED THAT THIS WASN'T ALWAYS LIKE THIS. THE MAIN COMPLAINT WAS HIGH OIL PRESSURE EVEN WHEN THE ENGINE WAS HOT. WE FINALIZED THE REPAIR BY REM...
9
2004 Chevrolet Suburban 1500 LS 5.3L Low Power VIN: 3GNFK16Z24
Well this was crazy. I put this back together without finding any thing. So just as a try I disconnected the Fuel Comp even though it was reading 9%. Well it ran better. However it still was not like the truck I remembered. Well my kids got in trouble last Fri...
19
2006 Chevrolet Tahoe Z71 5.3L Fuel Gauge VIN: 1GNEK13Z16
Well we fixed the gauge and the customer is finally happy. Sorry for the long delay but the customer took the truck back until we got a pigtail and did some research! The new pump didn't come with the level sensor or pigtail as commonly seen. We tried the pigt...
10
2001 GMC W3500 Forward W3S042 5.7L headlights VIN: 4KDB4B1RX1
Thanks to Jose from Florida! He was able to tell me about a hidden fuse block behind dash trim. While that wasn't the problem,it got me into the dash where I located the drl controller.replacing that got the headlights shining again...
2
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