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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 10, 2019
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Open Help Requests for GM
Help Request Answers
2008 Chevrolet Malibu LT 2.4L Misfire VIN: 1G1ZH57B48
has blown fuse 43 for coils several times since we got it back from dealer, replaced other three coils and fuse has not blown since but has burned 4 #3 coils up in 200 miles. any known problems with these cars for burning up the same coil other than a pcm ...
2007 Saturn Sky Red Line 2.0L No Start VIN: 1G8MG35X77
Engine won't start. fuel pressure reads about 60 lbs while cranking.Spark is present on all cylinders. No codes are present. Removed Oxygen sensor to check for exhaust restriction but no restriction is present. Occasionally a mild pop is heard as some cyli...

Fixes & Summaries for GM
Fix/Summary Answers
2005 Chevrolet Silverado 2500 HD 6.6L MIL Lamp on, P0089 p0090 VIN: 1GCHK23295
No fix yet, the vehicle is still here but I get on it when I have time. I hooked up my 4 channel lab scope and the FPR signal is weak and hashy. Will post updates when I have new information Trouble codes: P0089 (Fuel Pressure Regulator Performance), P0090 (Fuel Pressure Regulator Control Circuit).
2008 GMC Sierra 1500 WT 5.3L engine VIN: 2GTEK19J68
customer agreed to remove engine and we pulled connecting rod caps on rods 1 and 2. rod 1 bearing was failing and scared the crank also no odd wear on cylinder walls and no noticable slop in the wrist pin #2 looked perfect on wear or marks on the bearing and t...
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