the trouble code reads p1391 and reads manufacturer controlled ignition or misfire. what do i replace to correct this?
Dec 31, 2010 at 1:58 AM
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Verify all information, follow manufacturer service procedures, use proper tools and safety equipment,
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JACOBANDNICKOLAS
AUTOMOTIVE REPAIR CONTRIBUTOR
110,190 POSTS
You are loosing signal from the crankshaft or camshaft sensor. Check for wiring issues. Chance are if the wiring is good, one of the sensors is the problem (usually the crankshaft sensor)