The upshift flare in a 4-speed automatic transmission when shifting from second to third or third to fourth is a relatively common problem in the second-gen 2008-2011 Ford Focus. Essentially, your engine’s revs will go up for a moment instead of dropping down after switching to a higher gear. 468K views 4 years ago. In this video, I'll show you how to reset the Engine Malfunction Warning Message on my 09 Ford Focus. This simple procedure is similar to one demonstrated in the link A malfunctioning sensor will render the transmission torque converter unable to apply the clutch and form a mechanical link between the engine and transmission. This may also cause your vehicle’s cruise control to be disabled. An electrical fault can cause the sensor to malfunction. It’s also possible for a speed sensor to get damaged or 2008 Ford Focus SE automatic transmission began hard downshifting at about 30,000 miles. Dealership stated it needed"flashing". left it one day picked it up shifted fine. 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. . Message comes on dashboard with engine malfunction, lost communication with controller area network; Invalid or Missing Data for Vehicle Security.Disclaimer: The problem may be wrong design transmission. I see they repair no 4th gear by change internal transmission part some pieces from old version. But in this case for erratic shift may be electrical fault. It may be some sensor is bad, some wires not properly ground, the computer module or TCM is bad. 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 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. Engine Malfunction Warning", and, the car lost power (like the the turbo was gone). Luckily i could drive till a parking place where i switched off the engine for few minutes, and after restarting everything looked ok for a while. This phenomena happen also when i hit the brake very strongly, and after restarting, everything is back to normal

ford focus 2008 engine malfunction