Possible causes – Intake Manifold Runner Control (IMRC) harness is open or shorted – Intake Manifold Runner Control (IMRC) circuit poor electrical connection – Faulty Intake Manifold Runner Control (IMRC) actuator– Faulty Engine Control Module (ECM) Tech notes 2001 Ford

Possible causes – Intake Manifold Runner Control (IMRC) monitor signal shorted to power– Faulty Intake Manifold Runner Control (IMRC) actuator– Faulty Intake Manifold Runner Control (IMRC) solenoid– Damage Powertrain Control Module (PCM)– Blocked vacuum hoses Symptoms – Engine Light ON

Possible causes – Intake Manifold Runner Control (IMRC) monitor signal shorted to power– Faulty Intake Manifold Runner Control (IMRC) actuator– Faulty Intake Manifold Runner Control (IMRC) solenoid– Damage Powertrain Control Module (PCM)– Blocked vacuum hoses Symptoms – Engine Light ON

Possible causes – Intake Manifold Runner Control (IMRC) harness is open or shorted – Intake Manifold Runner Control (IMRC) circuit poor electrical connection – Faulty Intake Manifold Runner Control (IMRC) actuator– Faulty Engine Control Module (ECM) Symptoms – Engine Light

Possible causes – Intake Manifold Runner Control (IMRC) monitor signal shorted to power– Faulty Intake Manifold Runner Control (IMRC) actuator– Faulty Intake Manifold Runner Control (IMRC) solenoid– Damage Powertrain Control Module (PCM)– Blocked vacuum hoses Symptoms – Engine Light ON

Possible causes – Intake Manifold Runner Control (IMRC) monitor signal shorted to power– Faulty Intake Manifold Runner Control (IMRC) actuator– Faulty Intake Manifold Runner Control (IMRC) solenoid– Damage Powertrain Control Module (PCM)– Blocked vacuum hoses Symptoms – Engine Light ON

Possible causes – Large vacuum leak on the engine – Faulty Manifold Pressure (MAP) sensor – Faulty Throttle Position Sensor (TPS)– Faulty Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2074 FORD Description

Possible causes – Leaking fuel injector bank 1– EGR stuck open– Engine mechanical condition Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1132 FORD Description A Heated Exhaust Oxygen (HO2S) sensor indicating rich at the end of

Possible causes – Loose or missing gas cap– Faulty gas cap– Canister Vent Solenoid harness is open or shorted– Canister Vent Solenoid electrical circuit poor connection– Faulty Canister Vent Solenoid When is the code detected? The code indicates that an

Possible causes – Low coolant level– Faulty Engine Coolant Temperature Sensor– Stuck or leaking thermostat– Engine Coolant Temperature Sensor harness is open or shorted– Engine Coolant Temperature Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine

Possible causes – Low oil level– Cam timing improperly set– Continuous oil flow to the Variable Camshaft Timing (VTC) piston chamber– VCT solenoid valve stuck open– Camshaft advance mechanism binding (VCT unit). Symptoms – Engine Light ON (or Service Engine

Possible causes – New PCM-Needs programming– Incorrect VID configuration Tech notes After a new PCM has been installed, the Vehicle Identification (VID) block has to be program to the PCM. There is a service bulletin for the P1639 code for

Possible causes – Parking brake not applied and released during self test– Parking Brake Switch harness is open or shorted– Parking Brake Switch electrical circuit poor electrical connection– Faulty Parking Brake Switch When is the code detected? The ECM has

Possible causes – Shorted injector circuit – Faulty fuel injector – Faulty fuel injector interface module Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1273 FORD Description A fault is detected by the fuel injector interface module

Possible causes – Switch O2 sensor connectors Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1128 FORD Description Engine Control Module (ECM) made a fuel correction and detected the O2 sensor connected incorrectly

Possible causes – The vehicle is new from the factory.– Battery or Powertrain Control Module (PCM) had recently been disconnected.– An OBD monitor failure occurred before completion of an OBD drive cycle.– PCM Detected Trouble Codes (DTC) have recently been

Possible causes – Throttle actuator control motor is stuck open or closed– Faulty Throttle actuator control– Throttle actuator control motor harness is open or shorted– Throttle actuator control circuit poor electrical connection P2106 FORD Description Throttle actuator control system is

Possible causes – Throttle Body Plate Binding– Faulty Throttle Actuator– Throttle Actuator harness is open or shorted– Throttle Actuator circuit poor electrical connection When is the code detected? Throttle valve locked during Engine Control Module (ECM) order to close Symptoms

Possible causes – Throttle Body Plate Binding– Faulty Throttle Actuator– Throttle Actuator harness is open or shorted– Throttle Actuator circuit poor electrical connection When is the code detected? Throttle valve locked during Engine Control Module (ECM) order to open Symptoms

Possible causes – Transmission temperature sensor harness is open or shorted– Transmission temperature sensor circuit poor electrical connection– Faulty transmission temperature sensor Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1783 FORD Description Engine at operating temperature