CUTTING OUT WHEN IDLES

2003 Ford Focus

Tiny

randy sharp

February, 4, 2014 AT 4:08 PM

I have posted this problem before. It had a dtc 302 and 2274, well I exchanged coils 2 and 3 and reset the computer, and now it does't show any misfire, just the 2274 bank 1 02 sensor 3 is stuck on lean, it does't stall it just cuts out at idle only. So I was thing stuck egr it does't act like a vacuum leak, but I don't know how these new cars act with a vacuum leak, I know older vehicles when they had a vacuum leak you sometimes could hear the whistling or you could tell buy the way the motor was loping, that is why I say it does't act like a vacuum leak. Does anybody have any theory on this. And does anybody know how many volts a coil on plug should put out?

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1 Answer

Tiny

hmac300

February, 4, 2014 AT 5:09 PM

This is an oddball code can be caused by a misfire etc. Check fuelpressure with a gauge and must have a pint of fuel in 15 seconds. Autoparts rent the gaugeit cold be a bad sensor as well. Also try cleaning the maf with choke cleaner with engine OFFso you don't short it out and let it dry. Fp should be 35-70 with key on engine off. Coil on plug puts the same as any other electronic ignition

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