Is there a problem with the Ford Focus p0303?
Is there a problem with the Ford Focus p0303?
P0303 should not be ignored, and can be a threat to the drivability the Ford Focus. The nice thing about P0303 is that it’s a cylinder specific trouble code, which makes diagnosing the problems simpler than P0300, which means that the cylinders are randomly misfiring. It will often be accompanied by codes P0301, P0302, etc….
What’s the problem with my 2003 Ford Focus?
Hoping to get a few pointers as to what could be wrong with my 2003 focus. Literally overnight it had developed a misfire or stutter during acceleration and I won’t have a chance to get to a mechanic for a week. It happens when taking off, or when accelerating from cruising speed on the freeway.
When does a Ford Focus misfire what happens?
It starts fine and idles fine but the misfire happens both when the engine is cold and hot. The check engine light is not on, and it just got serviced 5k kms ago.
Where is cylinder 3 on a Ford Focus?
An important thing to understand when finding the location of cylinder 3 is that it’s going to be the 3’rd cylinder in the firing order of the vehicle, and not the 3’rd cylinder that you might see when looking at the engine. The P0303 trouble code will trigger the Focus’s service engine soon light. The vehicle itself may begin to run rough.
Hoping to get a few pointers as to what could be wrong with my 2003 focus. Literally overnight it had developed a misfire or stutter during acceleration and I won’t have a chance to get to a mechanic for a week. It happens when taking off, or when accelerating from cruising speed on the freeway.
When does a Ford Focus misfire or stutter?
Literally overnight it had developed a misfire or stutter during acceleration and I won’t have a chance to get to a mechanic for a week. It happens when taking off, or when accelerating from cruising speed on the freeway. It starts fine and idles fine but the misfire happens both when the engine is cold and hot.
Why does my Ford Focus run at idle?
When a Ford Focus exhibits problems with running roughly at idle speeds, auto mechanics generally look first to either a vacuum problem, or more often, a problem with water getting into the Differential Pressure Feedback Sensor (DPFE), a part of the EGR (exhaust gas recirculation system).
Why does my Ford Focus fail emissions test?
If you live in a state with vehicle emissions testing, this may be the reason why your car fails the test. With the Ford Focus in particular, the problem may be caused by water getting into the DPFE sensor, interfering with its ability to accurately gauge pressure changes in the EGR system.
