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Old 02-07-2007   #4
ZR1 MK
 
Join Date: Aug 2005
Location: NY
Posts: 142
Default Re: Rough running - Need help and advice

Quote:
Originally Posted by Tom
The injector coil resistances are very easy to check. Go to Marc Haibeck's website and he has an article posted (http://www.zr1specialist.com/HAT%20W...Resistance.htm) that describes doing the check.
My 90 currently has a slight miss at idle and runs fine the rest of the time. I have one failing primary injector which measures 6.5 ohms and the other seven primary injectors measure 10.8 ohms.
The electric test is the first stage of diagnosis. The mechancial test is the second part of injector testing. At this AGE, its best to just get new RC Engineering injectors.
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