Question about 2003 Ford Thunderbird

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Misses, backfires when going up hills

2003 thunderbird misses, backfires, when going up hills

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You are most likely having a coil on plug (c.o.p.) misfire - there are 8 in your engine.

Posted on May 14, 2009

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Sounds like your time belt or chain needs to be replaced have it checked soon or the engine can blow

Posted on Apr 21, 2009

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