96 cherokee just died...
my Cherokee died half a block from my house, i have good fuel pressure, 3/4 inch spark at all cylinders, fuel injectors are working ...it cranks but wont fire at all i get a pop once in awhile but nothing more. coil,distributer,cap rotor, plugs and wires are new. new crank sensor. fuel filter is new, fuel pump is working. what else is there? besides valve timing? ignition timing is controlled by pcm and is timed right...maybe valve timing and ignition timing aren't matching? timing chain is not broken. maybe jumped time? charging system, battery, starter, alternator, and cables are all new as well. the battery is strong. i know this jeep inside out but i'm stumped... any ideas?
Last edited by dustydoesit; 12-30-2009 at 07:52 PM.
My Jeep Did The Same Thing.. I Changed All That Stuff And It Came To Be A Short In The Wire Coming Out The Tranny.. In The Middle Of Your Jeep Underneath Check To See If A Clip Or A Zip Tie Came Off Your Wires By The Tranny Maybe A Chopped Wire Like Mine
Cam position sensor maybe?
"Those who hammer their guns into plows will plow for those who do not"...Thomas Jefferson
"Beware lest the Stone Age return on the gleaming wings of science." - Winston Churchill
Originally Posted by m_amilli View Post
As the for OP, maybe check the connector at your computer and ensure all the wires going to it are good.
I know you said it's new, but I would also test the crank position sensor, and make sure the rotor in the distributor is properly oriented. Assuming you have an automatic, will it try to start in neutral?
That's the best I've got for now.
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