You’ll also see the engine computer referred to as the powertrain control module (PCM) if the device oversees both engine and transmission operations. ECM Replacement Cost If you have a professional replace your car’s ECM, you can usually expect to pay somewhere between $800 and $1,500 to get the job done. This plays a large role in engine efficiency, improving emissions and the overall operation of your vehicle. A bad PCV valve will affect the performance of your vehicle, so there are a few signs to watch out for before the valve completely fails: 1. Excessive oil consumption and leak. A bad PCV valve may have a leak, which will cause excessive My 2008 Ford Focus has had a fault for a few weeks now, it started with the traction control light coming on and the car going into limp mode, this soon esca The site you gave is a bit odd, it lists the sensor number (A or 1338678), but the photo is the Assy, and their compatibility list stops at 2008 for the Focus. But it looks the right part, it seems from the number it is the right sensor, with the hose. The focus is missfiring, and breaking down, limp mode kicks in, engine malfunction on display with alarm, traction control come's on as does the red info light up, sometimes starts up clanging for a few seconds. 1. Simultaneously press the brake and accelerator pedal and hold them in the fully pressed position. 2. After a few seconds the display will show ’reset in prog’. 3. Continue to hold both pedals fully depressed for approx 25 secs or until the display shows ‘reset complete’. True Ford Enthusiast. 504. Name: Warren. Ford Model: Focus 1.8TDCI Zetec. Ford Year: 2008. UK/Ireland Location: Somerset. Posted December 6, 2014. Sorry to jump on this :P. I had an issue where I lost all power for a good few hours, new battery in and im getting DTC A103 too found it means antenna not plugged in or faulty connection. Wed 14 Jul 2021 09:42. Ford focus - engine malfunction warning - elekie&a/c doctor. Unfortunately it's not possible to guess what is wrong with the car. It needs help from diagnostic kit and analysis from a garage that understands the system. I doubt if it's got anything to do with the battery and leads. 5. Your Engine Stutters or Stalls. Engine stuttering or stalling is a sign that there’s either a serious mechanical problem or a failed computer system. Once again, if you’re experiencing these symptoms, a PCM or ECM failure is actually one of the better-case scenarios in terms of cost and ease of repair. Common Reasons Why Your 2008 Ford Focus Car Won’t Start. Dead or Weak Battery: One of the most prevalent reasons for a car not starting is a dead or weak battery. The battery supplies the necessary electrical power to start the engine, and if it’s discharged or old, the car may not crank. You may hear a clicking sound or notice dim lights sBtb.