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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for August 27, 2019
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Open Help Requests for GM
Help Request Answers
2001 Chevrolet Silverado 2500 HD 6.6L Hesitation VIN: 1GCHK23191
vehicle exhibits a hesitation just off the bottom. pulls well once going. builds 20psi boost. NO codes, present or past. doing a stall test, takes about 4 or 5 seconds for the turbo to spool up and have any power. fuel pressures are good, injectors, maf, f...
2004 Chevrolet Silverado 3500 LS 6.6L 4wd low VIN: 1GCJK33234
After replacement of transfer case this truck is not throwing any codes at all. But when put into 4wd low the accelerator only works at wide open throttle. Everything works correctly in two wheel drive and four high. I have reflashed and learned transfer c...
2005 Chevrolet Silverado 2500 HD LS 6.6L Shift quality
Helping a friend here at our school with his Allison issue. Had the class change the fluid and both filters. All was well for two weeks and now have code P0732 (incorrect 2nd gear ratio). When driving at full operating temperature truck goes into Neutral a...
2013 Chevrolet Silverado 1500 LTZ 6.2L MIL Lamp on VIN: 3GCPKTE2XD
New plugs. Coils are working. Truck ran fine until they stopped at a red light. Then it all went south. No previous engine problems, no check engine light previously either. Well maintained with oil changes. Pulled valve cover, rockers and lift rods visual... Trouble codes: P0011 (Cmp not passed), P0053 (Ho2s), P0054 (Ho2s), P0059 (Ho2s), P0060 (P0300- Cylinder misfires), P0300 (Cylinder misfires)
2011 GMC Terrain SLT 2.4L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 2CTFLVEC8B
Vehicle came in for crank no start found timing tensioner failed severe internal carnage customer approved reman engine installed no issues cranked but took quite a while to start had rough idle scanned found low rail pressure code checked the low pressure... Trouble codes: P00C6, P228C
2004 Pontiac Bonneville SE 3.8L No Start, Cuts out, Stall VIN: 1G2HX52K24
I have a 2004 pontiac bonneville with a 3.8. It will stall and sometimes not start for 5 min. it has a new crank sensor on it. I scoped the new sensor and it checked great, then all of a sudden it flat lines an car stalls.When i checked i had no volts to c...
2005 Pontiac G6 GT 3.5L Retractable roof VIN: 1GZH364115
Customer had this car at a show and tried to stop the roof just before it was completely closed the roof is closed now but trunk is stuck open and message board says top not secure

Fixes & Summaries for GM
Fix/Summary Answers
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