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Professional Automotive Repair Technical Discussions for February 1, 2016 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2006 Cadillac DTS 4.6L High Idle VIN: 1G6KD57YX6 When car is started cold the it idles at 2000 rpm. As it warms up the idle drops and finally lands on 1100. The desired idle on the scan tool when cold is 1000 and hot is 625. I attempted idle relearn with the tech 2 numerous times. Everything appears normal a... |
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| 1988 Chevrolet S10 2.8L 3-4 intermittent VIN: 1GCBS14R6J This is my personal beater. I got it about a year ago so I don't know much about history. Yesterday, I noticed it had delayed engagement when shifting into reverse or drive. I was at a buddy's house giving him a jump and I noticed it started having a high pitc... |
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| 1995 Chevrolet C1500 5.7L Poor Idle Quality, Stall VIN: 2GBEC19K0S This engine runs awesome on the road, street, etc. it came for a no-start problem initially, we replaced the distributor assy due to the pick up coil magnets being cracked, the ignition coil was replaced as a precaution, the customer called back a few days lat... |
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| 2005 Chevrolet C5500 Kodiak C5C042 6.6L Engine VIN: 1GBE5C1215 We test oil pressure at block,,, 0 PSI Customer stated was running fine night before. Went to restart next morning and no pressure. Has anyone seen this before? Any thing I can test or that you recommend??? |
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| 1999 GMC C1500 Suburban 5.7L steering is hard VIN: 3GKEC16R1X I have an alignment machine checked alignment all good any ideas thanks guys. |
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| 2002 GMC Sierra 1500 SL 5.3L pump or sensor VIN: 2GTEK19T92 Complaint of ABS lt on. Another shop had scanned computer and stated Lt Whl Sensor needed changed. He brought to me, I verified code C0225. I checked sensor and it read 1.2k ohms, spec showed 700-2k. So I ckd ac voltage upon spinning wheel and it ckd good. Cal... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1996 GMC K1500 Suburban SLE 5.7L 4x4 VIN: 1GKEG13R8T Thanks for the help guys. As many of you stated I thought maybe it's the switch. replaced it with no change. After some in depth thought I still was pointed back to the tccm. Turns out the tccm I acquired was for a blazer not suburban. The factory number cros... |
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| 2002 Pontiac Montana 3.4L Overheating and no heat VIN: 1GMDX03E92 Thanks guys for all your responses. Yes, it was the head gaskets. Both head gaskets had split the "compression ring" around cylinders 1 and 2. It is amazing to me that you can have 2 bad head gaskets and the engine can run perfectly and not miss a beat and idl... |
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