2001 Ford Focus "filled check engine light" Questions

...check engine light is on again after mechanic fixed the mass air flow sensor now the light is on again, what do I need to do to fix the problem? Mechanic told me the connection to the mass air flow ...

Check fuel cap light stays on a's does engine light take off the cap and clean the gasket and the edge of the fill tube. maybe dusty and not making a good seal

check engine light code came on and i got it checked out it gave me the code po456.I need to know what that means. Usually this P0456 code is caused by an incorrect or faulty gas cap. Filling the fuel

...Check your two engine mountings and the pitch control bar underneath. The right hand, oil filled mount has a tendency to collapse. The left mount is a solid rubber mount which can be checked from the ...

filled with more water after some water escaped due to boiling. After that I travelled for about 300km at high speeds but there was no problem. The following morning the light came up again. This time

...vacumn leaks. Replace coil. Check plug boots for oil or water on them. PCV hose from intake manifold will get soft and collapse. Replace motor mounts. The passanger side mount is a fluid filled

...check the oil for water contamination (it will look milky) also look at the exhaust for excessive white smoke, you may have a bad head gasket and hopefully not a cracked or warped head. Does the ...

...filled up tank on Ford Focus 2000 I drive a 2000 Ford Focus SE Wagon. I've had the fuel pump replaced twice due to recall. It's been in a rear accident on side w/ gas tank. Now the check engine light ...

...check engine light is on, rent a scanner, read any code(s), and pursue to repair(s). You probably have several cylinders that are not firing correctly. You may just need to get a new passenger side ...

...freely by hand when cold. Check the fuel pump pressure and replace the fuel filter. Does the check engine light come on? The O2 sensor(s) may be getting tired. Replace if a lot of miles on it