91 civic runs rough

tip302327 Posts: 5, Reputation: 1

New Member

Jul 28, 2007, 11:22 AM

91 civic runs rough

Code 14 is present. Engine backfires through intake upon acceleration. Any ideas. Tim

TxGreaseMonkey Posts: 16,761, Reputation: 5597

Uber Member

Jul 28, 2007, 02:09 PM

Try cleaning/replacing the Idle Air Control (IAC) Valve.

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