Possible causes – Camshaft position sensor intermittent connection– Crankshaft position sensor intermittent connection– Faulty camshaft position sensor– Faulty crankshaft position sensor– Engine mechanical problems Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0016 FORD Description The Engine

Possible causes – Camshaft timing incorrect– Variable Camshaft Timing solenoid stuck open Tech notes There is factory service bulletin for the following Ford Models: 2002 Ford Focus2003 Ford Focus2002-2003 Ford Focus Factory Service Bulletin OBDII code P0012 Symptoms – Engine

Possible causes – Camshaft position sensor intermittent connection– Crankshaft position sensor intermittent connection– Faulty camshaft position sensor– Faulty crankshaft position sensor– Engine mechanical problems Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0018 FORD Description The Engine

Possible causes – Dirty Fuel Injector 1– Faulty Fuel Injector 1– Plugged Fuel Injector 1– Fuel injector 1 harness is open or shorted– Fuel injector 1 circuit poor electrical connection Tech notes Clogged or partially clogged fuel injector can cause

Possible causes – Dirty Fuel Injector 1– Faulty Fuel Injector 1– Plugged Fuel Injector 1– Fuel injector 1 harness is open or shorted– Fuel injector 1 circuit poor electrical connection Tech notes Clogged or partially clogged fuel injector can cause

Possible causes – Dirty Fuel Injector 1– Faulty Fuel Injector 1– Plugged Fuel Injector 1– Fuel injector 1 harness is open or shorted– Fuel injector 1 circuit poor electrical connection Tech notes Clogged or partially clogged fuel injector can cause

Possible causes – Dirty Fuel Injector 2– Faulty Fuel Injector 2– Plugged Fuel Injector 2– Fuel injector 2 harness is open or shorted– Fuel injector 2 circuit poor electrical connection Tech notes Clogged or partially clogged fuel injector can cause

Possible causes – Dirty Fuel Injector 2– Faulty Fuel Injector 2– Plugged Fuel Injector 2– Fuel injector 2 harness is open or shorted– Fuel injector 2 circuit poor electrical connection Tech notes Clogged or partially clogged fuel injector can cause

Possible causes – Dirty Fuel Injector 2– Faulty Fuel Injector 2– Plugged Fuel Injector 2– Fuel injector 2 harness is open or shorted– Fuel injector 2 circuit poor electrical connection Tech notes Clogged or partially clogged fuel injector can cause

Possible causes – Dirty Fuel Injector 3– Faulty Fuel Injector 3– Plugged Fuel Injector 3– Fuel injector 3 harness is open or shorted– Fuel injector 3 circuit poor electrical connection Tech notes Clogged or partially clogged fuel injector can cause

Possible causes – Dirty Fuel Injector 3– Faulty Fuel Injector 3– Plugged Fuel Injector 3– Fuel injector 3 harness is open or shorted– Fuel injector 3 circuit poor electrical connection Tech notes Clogged or partially clogged fuel injector can cause

Possible causes – Dirty Fuel Injector 3– Faulty Fuel Injector 3– Plugged Fuel Injector 3– Fuel injector 3 harness is open or shorted– Fuel injector 3 circuit poor electrical connection Tech notes Clogged or partially clogged fuel injector can cause

Possible causes – Dirty Fuel Injector 4– Faulty Fuel Injector 4– Plugged Fuel Injector 4– Fuel injector 4 harness is open or shorted– Fuel injector 4 circuit poor electrical connection Tech notes Clogged or partially clogged fuel injector can cause

Possible causes – Dirty Fuel Injector 4– Faulty Fuel Injector 4– Plugged Fuel Injector 4– Fuel injector 4 harness is open or shorted– Fuel injector 4 circuit poor electrical connection Tech notes Clogged or partially clogged fuel injector can cause

Possible causes – Dirty Fuel Injector 4– Faulty Fuel Injector 4– Plugged Fuel Injector 4– Fuel injector 4 harness is open or shorted– Fuel injector 4 circuit poor electrical connection Tech notes Clogged or partially clogged fuel injector can cause

Possible causes – Dirty Fuel Injector 5– Faulty Fuel Injector 5– Plugged Fuel Injector 5– Fuel injector 5 harness is open or shorted– Fuel injector 5 circuit poor electrical connection Tech notes Clogged or partially clogged fuel injector can cause

Possible causes – Dirty Fuel Injector 5– Faulty Fuel Injector 5– Plugged Fuel Injector 5– Fuel injector 5 harness is open or shorted– Fuel injector 5 circuit poor electrical connection Tech notes Clogged or partially clogged fuel injector can cause

Possible causes – Dirty Fuel Injector 5– Faulty Fuel Injector 5– Plugged Fuel Injector 5– Fuel injector 5 harness is open or shorted– Fuel injector 5 circuit poor electrical connection Tech notes Clogged or partially clogged fuel injector can cause

Possible causes – Dirty Fuel Injector 6– Faulty Fuel Injector 6– Plugged Fuel Injector 6– Fuel injector 6 harness is open or shorted– Fuel injector 6 circuit poor electrical connection Tech notes Clogged or partially clogged fuel injector can cause

Possible causes – Dirty Fuel Injector 6– Faulty Fuel Injector 6– Plugged Fuel Injector 6– Fuel injector 6 harness is open or shorted– Fuel injector 6 circuit poor electrical connection Tech notes Clogged or partially clogged fuel injector can cause