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-   -   Focus 2003 Stalling problem (http://www.focusfanatics.com/forum/showthread.php?t=312516)

FFocus73 03-23-2013 02:42 PM

Focus 2003 Stalling problem
 
Hi I'm new here. I have been having a stalling problem with my 2003 Ford Focus ZTS. When idling at a stop light or stop sign the engine will start to run rough and sometimes cut out and stall. It does not do this while moving only when at a stop. I have been to two mechanics and they have not been able to identify the problem. I have had the oxygen sensors replaced already also a fuel pump to no avail.

Otherwise we love the heated seats!

Any suggestions would be appreciated!

speedyg 03-23-2013 04:11 PM

Try cleaning the mass air flow sensor, and if that doesn't work its time to replace your idle air control valve.

jrbamc 03-23-2013 04:25 PM

Check your PVC hose, too. The passenger end where it bends sharply can split and/or get soft and collapse, and ruin the idle.


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