2003 Chevy blazer LS 4x4

Asked by BillyMad Jan 11, 2017 at 02:34 AM about the 2003 Chevrolet Blazer LS 4-Door 4WD

Question type: Maintenance & Repair

My car has been not starting till the second start
miss firing and running lean. They said MAF so i
changed it. Its never stoped and now only 3 days
lateri come outside to move my car and it stalled
as i was reversing and now it wont stay on long
enough to get it into drive.

1 Answer
221,075

Rowefast answered 7 years ago

Should try and get the engine codes read, that always points you in the right direction for repair. There are so meany things to check. Fuel pressure is a big one, it should be 56 to 63 lbs. other possible causes, - Faulty spark plug (s) - Faulty ignition coil (s) - Clogged or faulty fuel injector (s) - Intake air leak - Fuel injectors harness is open or shorted - Fuel Injectors circuit poor electrical connection - Ignition coils harness is open or shorted - Ignition coils circuit poor electrical connection - Insufficient cylinders compression - Incorrect fuel pressure. You may need it towed to a trusted garage for repair.

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