Doesn't make sense! MAF disconnected and no CEL? - Ford Focus Forum, Ford Focus ST Forum, Ford Focus RS Forum
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Old 09-28-2005, 07:42 PM   #1
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Doesn't make sense! MAF disconnected and no CEL?

Well I got my SVTF back from my local dealer after THREE DAYS in the shop (I had a zippy Vibe to drive this time.)

Here's the story: About a week ago, my car started driving "heavy", when I took my foot off the gas, the compression from the engine was "heavy" and my engine felt like it was moving around more than it should.

I brought this up on the fourm and Wayne, WD40 and a few others said it sounded like a worn rear engine mount. Wayne got me a really great price on a new mount but my wife said "Warranty, is FREE!" I drove my car for a week with this heavy feel but the car moved acceptably well.

On Friday night, I flashed back to the stock tune for the sake of our friends at Ford and Saturday, I had a CEL. The car was running very rough and didn't have enough power to outrun a Kia Rio. I parked it until Monday and drove it to my local dealer.

The outcome was codes: P0102 and P0113, the diagnosis was the MAF connector was completely disconnected.

Here's the weird bit, shouldn't my car have thrown a CEL the moment the MAF disconnected?

Does the Hypnotic tune ignore so much from the MAF that a complete disconnection would go unnoticed?

If that's the case, Wayne makes a mighty fine tune to work as well as it did with a disconnected MAF.

Opinions?


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Old 09-28-2005, 09:14 PM   #2
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CELs don't normally throw immediately...it can take a few start cycles for it to kick in (just to make sure it's going to happen again).
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