Hesitates and backfires when up to temp.

What is your question?

When the engine is cold it runs like a dream. When it gets up to temp it hesitates and backfires. Since I've had the car (about 9 months), all the timing stuff has been replaced, new plugs and wires, 3 new coil packs, new fuel filters, MAF and throttle thoroughly cleaned, new IAC, and has been checked for vacuum leaks. It also smells like it's running rich. Any ideas?

DJ-Q in Belleville IL

Oct 29, 2015

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Tuffy Tire & Auto Service Center - Grandview

4.7

(85)

2.39 mi

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Columbus, OH

Closed

Opens 8:00 AM Tue

Call