my ford focus petrol 1.8 is driving awful. It cuts itself out and jumps constantly.?

Mallory

New member
The revs seem to have mind of there own as it revs when it is stationary. I have been advised it is the ECU. Does this sound correct ? If so how do I remove it and replace. I have had a look and cant locate it !! Any advise please ?
 
" i have been advised" after testing the ecu or some dope with a WAG?

most auto prts stores have FREE scan...could be any of 10 sensors

what yr? how many miles? ever been tuned up? better answers whe more/correct info
 
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