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Originally Posted by Flatrater
A good reference for misfires is under load usually points to the plugs or wires. Misfire at idle usually points to the fuel system such as a bad injector.
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I finally stopped by Autozone long enough to look up the Ohm specs for the injectors in the Hayes manual. It says that they should read between 11.8 - 12.6 ohms.
Only 2 of the 6 fall within that range on my Century. 2 of the 4 that were off were pretty close at 12.7 & 12.8 ohms - actually this is kind of an avg. as I have a digital meter & they always fluctuate a little bit so I don't think those 2 injectors are far enough off to cause a problem.
The other 2 read 10.4 & 10.9. Is that far enough out of spec to cause a miss at idle? What does the low resistance mean? Is the computer trying to give it too much gas or not enough? Is there anything I can do to correct the injectors (other than replace them)?
Thanks for any help.