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I just finished rplacing my SPI with a Zetec. This is the 2nd one I've done. The Zetec came out of a 2001 just like the one I put it into. (It ran fine in the donor car.) When I started it, the engine idled at 4800 RPM. I drove it 10 miles to make sure the computer had time to get used to the swap. It still idles at 4800 RPM. When I pull the MAF connector off, it settles down to a very rough idle level, but the instant I plug the connector back in it goes back to 4800 RPM. Any ideas what could be wrong?
J.J.
 

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hello, im getting ready to do the same swap. i have 01 focus w/blowed motor 2.0 (spi), just got a wrecked/running 01 3dr w/ zetec,as donar, (both autos), since i have cars side by side, can you help on this swap? i never done this, but have over 35 yrs as mechanic...any hints or help? thanks lots if you can advice. ([email protected])
 
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