Jaxso32 Posted January 22, 2015 Share Posted January 22, 2015 sorry to ask because I'm sure its been covered plenty, but i need some suggestions. Out of nowhere my 88 4.0 will not start, it cranks over just fine and i think i have fuel pressure but no spark at the ignition coil. i did the cps test and got somewhere between .4 and .5 V not sure if thats enough to go through buying a sensor and replacing it, and i don't really have anyone to give me a hand with testing unfortunatly. what else other than the cps could cause no spark? thanks for any advice Link to comment Share on other sites More sharing options...
yxmj Posted January 22, 2015 Share Posted January 22, 2015 Check and clean your grounds....do you have 12v at the coil? Link to comment Share on other sites More sharing options...
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