2001 Jeep Wrangler Q&A
2001 Jeep Wrangler Question: Engine cranks over but does not fire
Engine cranks over but does not start, here is what I have tried so far with no luck......starter fluid in throttle, new crank sensor (two times), new cam sensor. No dash gauge (fuel or volt) movement with ignition in the on position. I get a brite test lite reading at one terminal (ASD fuse) terminal and a dim test lite on the other (ASD fuse) terminal with ignition on the on position. I am getting no power to the 20 amp injector fuse...any thoughts on what is causing this???? - usmc1981
Pull that fuse and test it with a dvom.., light should be the exact same on both sides!!! ASD relay clicking on/off with key turn? Test every fuse, and anyting that looks like a fuse, you can find with the test light...no matter what circuit it's protecting... test it.!... THANKS FOR SERVING!!!!! - pushrod
Just adding my 2 cents(actually now only worth 1/2 cent) to pushrods dime, see if you can get 'fast codes off the odometer--- 'key-on, key-off , key-on , key-off , key-on'...............OR if it's easier to read ---on-off-on-off-on, third 'on' leave it on and if there are any codes stored , they will display in the odometer (digital , I'm assuming) , you can do that more than once , to verify what you didn't get to right down the first time.AND I'll double-up on pushrods "thanks for serving" I got chased out of brooklyn at the physical (1979) for my knees popping doing the 'duck-walk' , I think it worked out for the best though , cause I always thought if they gave me a gun , I'd end up like the wacko in 'Full metal jacket' , if you know what I mean.......anyway thanks again and hope you get it figured out. Check our profiles.......maybe that be 'splainin a little........ reply to this and I can tell you about 'green jelly!...........one other thought...........Unlike a friend of mine who always got pissed at his truck (17 year marine vet) DON'T keep 500 rounds of ammo in your truck while working on it!!! Trust me , it won't work out well!!! - ziptie12
I just had the exact same thing happen on my 99 cherokee sport, 2 days ago. My neighbor broke out a mitchells repair manual and we found that between the pcm and the crankcase sensor there is a critical speed switch which plugs into the rear of the transmission. Thats where I found I lost my connection. check there for your 5vdc. If you have it there and not at the cps the critical speed switch is the culprit. No manual or forum brought this up as a possibibilty. Good luck. - bsw4aker
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