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. Here are six of the most common symptoms you may notice. 1. Check Engine Light. When a problem occurs with the ECU, you can count on the Check Engine Light to illuminate. Yet, this problem alone doesn’t indicate a issue with the computer. Any fault with the major automotive systems can cause this light to come on. If your check engine light is flashing in your Ford Focus, we highly recommend not to drive the vehicle and schedule Ford service today. Below is a list of the most common reasons your check engine light can come on: Your O2 Sensor (Oxygen Sensor) needs to be replaced. The Oxygen sensor, known as the O2 sensor, measures the amount of oxygen in On a 2016 Ford F-150 XL 5.0L V8, for example, this DTC is described as, “OSS sensor signal input exceeds the calibrated threshold. The OSS sensor provides a signal to the PCM based on the speed of the output shaft of the transmission.” The code appears in a 2016 Ford F-150 XL 5.0L V8 because of the following conditions: OSS circuit short to 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 problem: Affected Ford Focus vehicles, which are built between Jan. 1, 2012, and Oct. 22, 2014, and equipped with 2.0-liter engine, exhibit a loss of power while driving. The car will operate sQ3l. I assumed that either (somehow) it had detected the oil had become so degraded and the oil change fixed it, or it brings up "Engine Malfunction" after a certain number of miles have been driven with the oil service warning ignored. So, as the car is quite old now, I decided to do the oil change myself - did this and reset the service warning Hello, I picked up my 2008 1.8 Zetec Focus on Wednesday from a local used car dealer, its on 105k with FSH When i was driving it home the car was telling me it was -50° outside which i thought was strange but didn't think anything of it. Modules should never be replaced based only on a 'U' code. These codes do not always indicate a problem, and can be caused by normal diagnostic functions, carried out on the vehicle. ===END PCM DTC U1900-E3===. ===OBDII DTC U1900-C===. Code: U1900 - CAN communication bus fault. 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’. Engine Malfunction Warnings: The instrument cluster might display "Engine Malfunction" messages on the LCD. Warning Lights: Unexpectedly, your dashboard could be illuminated with various warning lights such as ABS, airbag, and check engine lights, creating a visually alarming effect. Fault Codes: U0140 - Lost Communication with Body Control

ford focus 2008 engine malfunction