Question about Ford F-150
P0012 says the cam shaft signal is over retarded on bank 1, P0021 says that the cam shaft timing on bank 2 is over advanced. P0345 and P0349 means your cam shaft sensor cannot be read. Finally cylinder 7 (P0307) has a misfire. Changing your camshaft sensor would be a good start and then have the codes cleared. Switching the car on and off 5 times or disconnecting the battery negative terminal for 10 minutes will often clear the codes. With any luck everything will be resolved by the new cam shaft sensor. If the misfire is still present remove the spark plug and inspect it. If the plug is OK check out the HT lead and connection to see if there are any shorts.
Posted on Mar 18, 2011
P0012 and p0021 tells me you haven't payed much attention to your oil and that the valve timing solenoids got stuck. the sensors probably are still good. also check your chain and guides they might be worn. and prepare for the worst spark plug situation imaginable. they will brake into 4 pieces and you will need to buy a special tool to pull out the parts. so replace them with champion plug 7989 (double platnum one piece) superior to the motorcraft 2 piece problem. and don't forget to anti-seize the threds.
Posted on Mar 20, 2013
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Posted on Jan 02, 2017
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