...a qualified repair shop . P0443 - EVAP Control System Canister Purge Valve Circuit Malfunction The PCM monitors the state of the EVAP canister purge valve circuit output driver. The test fails when ...
...Engine Controls The electronic engine controls consist of the: powertrain control module (PCM) throttle position (TP) sensor idle air control (IAC) valve engine coolant temperature (ECT) ...
Question about Ford Expedition
...memory if any of the OBD II monitors do not complete. Vehicle is new from the factory Battery or PCM had recently been disconnected An OBD II monitor failure had occurred before completion of an ...
...last year for similar issues and they stated it could be the #4 coil back feeding into the PCM or a bad computer. I took it home and replace all of the coils with Accel super coils, and have ...
Question about Ford Expedition
...low code P0405 - DPF EGR Sensor Circuit Low Voltage Detected See DTC P1400 Problem with wiring or PCM ! P1400 - DPF EGR Sensor Circuit Low Voltage Detected The EGR monitor checks the DPF EGR sensor ...
...on most modern engines. There is an individual coil for each cylinder that is controlled by the PCM (powertrain control module). It eliminates the need for spark plug wires by putting the coil ...
Question about Ford Expedition
...the clicking stopped. it is fuse #15. the book says the 5amp fuse controls the stop lamp switch, pcm module, gem module, and rabs test connector. one at a time i disconnected the plugs on the stop ...
...likely the fuel pump relay in the interior fuse box, but could be the ground signal/wire from the PCM. If there is no voltage at the fuse, check the socket of the PCM power relay. Pull the relay
...like an old car without power steering. all the fluid levels are fine. could this be a bad Computer PCM? Yes this could be a defective PCM, but testing needs to be done as the part is expensive, have ...
tested out fine. was told there may be a short in the alt wires or that its the pcm. been having this problem for 2 weeks now and have put quite a bit of money in tryin to fix the problem....or what i
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