I have a 2003 ford ranger 3.0 6 cylinder. I have codes p0306 and p0316. I have changed the fuel pump, fuel filter, exhaust manifold gaskets, spark plugs, wires, coil pack, #6 fuel injector and purge valve and the truck still miss fires. I don’t know what else to check
What makes this problem better or worse?
Check engine light flashes at idle then disappears when driving
How long has your 2003 Ford Ranger had this problem?
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