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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 28, 2015
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Open Help Requests for GM
Help Request Answers
2010 Buick LaCrosse CX 3.0L Misfire VIN: 1G4GB5EG6A
I have this 2010 Buick 3.0 with direct injection that misses at idle on cyl #5. He had it at the dealer and they decarboned the engine and told him the head has to come off to remove the carbon from the valves. I used 3 cans of crc carbon cleaner for direct in... Trouble codes: P0305 (Cyl 5 miss)

Fixes & Summaries for GM
Fix/Summary Answers
2009 GMC Sierra 2500 HD WT 6.6L Mechanical VIN: 1GTHK49689
Still have not fixed truck put injectors in it still smoking bad replaced fuel filter tryed to do the exhaust system clean but it won't let me i can get my max fuel pressure to [...] but when i do that i cant bring it back down with the tech 2 i have to shu...
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