Question about 1985 Cadillac DeVille
My 1992 Chevy Silverado recently started sputtering and backfiring through the throttle body. The problem isn't as bad when dry but when it rains the problem becomes much worse. What do i need to replace?
You could put the pickup on a cylinder pressure test and see if you have a bad valve causing the engine to pop.
you could have a bad wire or spark plug.
the timming chain could of went off a cog on the timming sprokets causing to pop.
gettin to much gas could cause it to.
Posted on Jan 23, 2009
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