tune for CEL

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11-09-2013, 03:03 PM

worm5932

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tune for CEL

Can a tuner program to set a check engine light sooner than the factory specs? I have a slight miss that has been around for a year or so and no light ever.

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11-09-2013, 03:17 PM

stoffer

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nope...

anyway how old are your plugs???

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11-09-2013, 03:52 PM

MGDfan

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The PCM stores pending misfire codes (no CEL) - Mode 6 data - which can be extracted with a proper diagnostic scanner.

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11-16-2013, 04:00 AM

worm5932

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Thanks. I did plugs 15k ago and coils 5k ago. When I did the coils it ran awesome for a couple weeks, then it showed back up. Looks like I might have to let ford look at it next time its in for an oil change.

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