My 2000 Chevy Silverado 5.3 has a mis when it gets at about 50 mph

15

Asked by Aug 19, 2015 at 12:46 AM about the 2000 Chevrolet Silverado 1500 Ext Cab Short Bed 2WD

Question type: Maintenance & Repair

When I'm driving my truck it drives fine until I get at about 50 mph driving an it starts to
miss or stubber. I just changed all 8 coil packs.

5 Answers

107,875

Check the crankcase sensor...as well clean the throttle body and check that sensor as well...

15

I will. I appreciate it.

69,275

Did you change the spark plugs as well? You should have. Is the check engine light on or flashing? If it truly is misfiring it will be. Scan the computer and see which cylinder(s) is misfiring. Code P301 is cylinder number 1 misfire, P0302 is cylinder number 2 misfire, and so on. HTH. -Jim

15

Which spark plugs does this engine call for because I was told that there is certain plugs to put in it.

1 of 1 people found this helpful.
69,275

Original equipment was AC Delco Type 41-974 or NGK Type PZTR5A15. HTH. -Jim

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