engine has a miss fire on #1 cyl. when idle is lower than 1200rpm.

Asked by Jun 30, 2016 at 04:29 PM about the 2008 Chevrolet HHR LS

Question type: Maintenance & Repair

Engine has a miss fire on #1 cyl. at 1200 or lower rpm. we have installed new sparkplugs, switch injectors and coils. Checked gas cap etc. still have miss fire. Help

1 Answer

27,505

check the compression on a few cylinders...you need good compression to light the cylinder.

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