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Professional Automotive Repair Technical Discussions for August 13, 2010 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1994 Chevrolet K2500 5.7L Poor Idle Quality VIN: 2GCFK29K4R customer complaint of rough idle (engine done year ago) ,,typical eng. re&re used old cap wires filter etc. we changed all , cust came back with same complaint, found tbi. dripping fuel we re & re unit and cleaned and resealed, cust returned with same complain... |
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| 1995 Chevrolet Camaro Z28 5.7L dome lights,chime, security light VIN: 2G1FP32P6T this car came in with a snapping noise (clicking) on pass side behind glove box. (BCM?) if you turn blower motor on High noise slows down. at the same time of this clicking the interior lights are flashing with the click noise. speeds up then slows down! |
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| 1998 Chevrolet Tahoe 5.7L Stall VIN: 1GNEK13ROX what ive got is this thing will run in our shop for about an hour then just quite.. runs good when running. noticed fuel pressure will keep steady at 55psi the it will just drop to 45 psi then shut down about 1.5 seconds later, then start back up after about 1... |
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| 1998 Chevrolet C1500 Silverado 4.3L no start VIN: 1GCEC19W6W truck was missing intermittenly cam sensor code replaced sensor now no start. sounds like timing is off backfiring now reinstalled old one same problem Trouble codes: P0340 |
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| 1999 Chevrolet S10 2.2L interior lights VIN: 1GCCS1447X no interiour lights was the complaint. tested and found good power and grounds at the switch. jumped batt power to the #44 circuit output to the interiour lights and the all work. replaced the headlight switch and the lights worked good. two days later no inte... |
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| 2002 Chevrolet Cavalier LS 2.2L Hydraulics VIN: 1G1JC52422 Customer claimed that they suddenly had some problems with hard shifting. The problem lasted 1 day and it came to the point that the car would not shift while running. With the engine off, the transmission shifts through all gear without binding. We came to th... |
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| 2005 Chevrolet Silverado 2500 HD LS 6.0L oil pressure VIN: 1GCHC24U65 this truck came for a yearly inspection, was 11000 over for oil change. had oil leak at front crank seal and oil cooler lines seaping. replace parts did oil change. test drove truck had 40 psi oil pressure. longer i drove the oil pressure got worse. got back t... |
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| 2006 Chevrolet Trailblazer LT 4.2L Cuts out, Misfire VIN: 1GNDT13S26 When accell normal from stop in 4x4 auto will get a hard banging feeling - has all new plugs and coil - ebcm and still happening - feels like atc is engauging and disengauging causing a bang - its very intermittent |
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| 1996 Geo Metro LSi 1.3L Cuts out, Misfire VIN: 2C1MR5295T engine will missfire intermittent and for 30 seconds at a time,no longer-each cylinder will always have spark during missfire-the missfire will occur idling,slowing down and slight throttle,never cruising speed-it will set a missfire code sometimes-the engine ... Trouble codes: 301 |
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| 1994 GMC Sonoma SLS 4.3L Hesitation, Surge, Cuts out VIN: 1GTDT19W9R Well, I hate this truck. No Codes. Recently started cutting out, hesitating, surging between 2000-2500 RPM. Idles great, starts out great until hits 2000 RPM then will surge, and stumble until you get past 2500 RPM. If you just romp on it from the start it is ... |
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| 1997 Pontiac Trans Sport 3.4L Overheat VIN: GM12345678 Looks like upper heater hose has a brake and leaks at the fire wall. Customer ran van all day before noticing it was running hot and very rough. Other shop said that the engine was damaged, head cracked, gasket bad and making bad sounds. No test data are avail... |
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| 2002 Saturn Vue 3.0L Mechanical VIN: 5GZCZ63B42 this car came in coding p2135 t-p sensor 1-2 correlation. i changed the sensor but now it still codes p2135 also codes p0221 p0638 p0121 p2119 p2101 p2119 p0700. I am not sure what way i should go or what parts i should change. any help would be great. |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1983 Chevrolet C10 Custom 5.7L Hesitation VIN: 2GCEC14H20 well, sorry it has taken so long to finish this one off. The customer took it for a week and a half, and then the shop got to busy to look at it until now. There were many replies, some were plausible, others, I really appreciate the help this network offers... |
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| 1990 Chevrolet Corvette 5.7L battery VIN: 1G1YY3386L First of all,,,Thanks to all that replied.This car did have me scratching my head. After putting the car back together and starting over I was still not able to find a component causing a draw. So I once again reassmbled to car and just let it sit for 7 days. ... |
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| 1996 Chevrolet Camaro Z28 5.7L No Start VIN: 2G1FP22P1T Most of you guys are right on but it isnt restriction. whoever installed the engine hooked both the vent and the vacume line to intake vacume, damn those guys. I found the problem (when the car arrived it was all torn apart) when i was digging around in the tr... |
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| 2000 Chevrolet Express 2500 5.7L Cuts out VIN: 1GCGG25R7Y sorry for the wait guys but the owner doesn't wanna spend money for the pcm right now as long he's able to drive he's not going to fix it.thank you all. Trouble codes: 0340 (cam sensor problem), 0132 (heated oxygen sensor), 0141 (heated oxygen sensor), 0404 (egr system malfunction). |
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| 2002 Chevrolet Express 1500 4.3L fuse blowing VIN: 1N4AL21E67 thanks for all the help blower motor faulty thanks again |
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| 2003 Chevrolet Silverado 1500 5.3L ac compressor VIN: 2GCEC19T63 Thank you all for your replies, as I try not to ask for help. In the begining the customer came in with a complaint that the Ac would work off and on. I did a Ac service the system was a little low. After filling to correct amount of freon the compressor did n... |
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| 2007 Chevrolet Avalanche LTZ 5.3L fuel gauge VIN: 3GNEC12047 When the full power of iatn came to south Ga. the avalanche just gave up and started working!We had 5 V , sending unit tests good, The tan/black wire is the low reference wire ,no harness issues.Now, with your help and direction I realized the first thing I sh... |
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| 2001 GMC Safari SLE 4.3L No Start, Stall VIN: 1GKEL19W11 I fixed it! I talked to a former gm tech, and the first thing he asked was if I changed the regulator, which I had. He said it sounds like a security system issue, but since the light was off he wasn't sure. Then he asked me the one thing I had overlooked, ... |
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