Thread: Spark Plug Gaps
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      09-06-2020, 11:45 AM   #60
Solo_M_Tech
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Quote:
Originally Posted by Dtireshop View Post
Thank you for the information.

I did new Bosch spark plugs set at .030 and new Bosch coils, still have misfires on multiple cylinders so it has to be something else.

I appreciate it.
You either have a fuel pressure issue, caused by faulty HPFP's, or injector leakage. If you have access to ISTA, you can check for injector leakdown and run the misfire test plan. Multiple cylinder misfires are usually fuel related.
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