Possible causes – Faulty wastegate solenoid– Wastegate solenoid harness is open or shorted– Wastegate solenoid circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0249 FORD Description The ECM has detected a signal outside

Possible causes – Faulty wastegate solenoid– Wastegate solenoid harness is open or shorted– Wastegate solenoid circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0250 FORD Description The ECM has detected a signal outside

Possible causes – Flexible Fuel (FF) sensor to Vehicle Power (VPWR) circuit harness open or shorted– FF to VPWR circuit poor electrical connection– Open in FF sensor signal circuit– Short to ground in FF sensor signal circuit – Fuel contamination

Possible causes – Fuel Injection Pump Gear Alignment– Fuel Filter Restriction– Transfer Pump Inlet Restriction– Faulty Fuel Injection Pump Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0216 FORD Description The Engine Control Module (ECM) monitors the

Possible causes – High fuel pressure– Low fuel pressure– Damaged FRP sensor– Excessive resistance in the circuit– Low or no fuel– Wiring harness connector of the fuel pressure sensor– Fuel Rail Pressure Sensor– Vacuum leaks– Fuel Symptoms – Engine Light

Possible causes – High fuel pressure– Low fuel pressure– Damaged FRP sensor– Excessive resistance in the circuit– Low or no fuel– Wiring harness connector of the fuel pressure sensor– Fuel Rail Pressure Sensor– Vacuum leaks– Fuel Symptoms – Engine Light

Possible causes – IACV-AAC valve harness is open or shorted– IACV-AAC valve poor electrical connection– Faulty IACV-AAC valve Tech notes There is a factory service bulletin for the following Ford Models: 2005-2007 Ford Crown Victoria2006 Ford Mustang, Mustang2004-2006 Ford F-1502005-2006

Possible causes – Idle Air Control Valve (IACV)/Auxiliary Air Control (AAC) Valve harness is open or shorted– Idle Air Control Valve (IACV)/Auxiliary Air Control (AAC) Valve circuit poor electrical connection– Faulty Idle Air Control Valve (IACV)/Auxiliary Air Control (AAC) Valve

Possible causes – Incorrect camshaft timing– Faulty Valve Control Timing (VCT) position solenoid– Valve Control Timing (VCT) position circuit is open or shorted– Valve Control Timing (VCT) position circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine

Possible causes – Incorrect camshaft timing– Valve Control Timing (VCT) position circuit is open or shorted– Valve Control Timing (VCT) position circuit poor electrical connection– Faulty Valve Control Timing (VCT) position solenoid Symptoms – Engine Light ON (or Service Engine

Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring – Faulty fuel injectors – Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection

Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech notes

Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech notes

Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech notes

Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech notes

Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech notes

Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech notes

Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech notes

Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech notes

Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech notes