VEHICLE BACKFIRES WHILE RUNNING

1999 Chevrolet Suburban

Tiny

Anonymous

March, 25, 2013 AT 7:30 PM

Vehicle backfires while running

FOUND 1188 RELATED QUESTIONS

1 Answer

Tiny

JDL

March, 25, 2013 AT 8:07 PM

Some possibilities.
Check the egr valve.
Sticking or leaking valves.
Valve timing.
Check for vacuum leaks.

How long since a tune-up? Are there any applicable trouble codes?

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