Quantcast Ford Truck Club Forum - View Single Post - hot engine backfiring through exhaust under load goine up hill
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Old July 2nd, 2018, 11:26 PM
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glc glc is offline
 

Join Date: Jul 2012
Location: Joplin MO
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Check the spark plugs, plug wires, rotor, and cap. In other words, it's probably time for a tuneup.

2003 F-150 XL RCSB 2wd 4.2 5 speed 3.55 LS
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harrison28 (July 3rd, 2018)