Crank but no start....

recycledxj · Feb 9, 2010

Sunday I was moving my jeep around the driveway and from having wet boots on I sliped off the clutch pedal and stalled the engine. I went to start it back up but it only cranked, I checked and I had no spark. No big deal I replaced the CPS this morning almost positive that was the problem. Still not starting.

IslanderOffRoad · Feb 9, 2010

What year is your Jeep?

Could be a fuel pump.

recycledxj · Feb 9, 2010

I have a 1993 4.0ho with a ax15

JeepCherokeeGuy99 · Feb 9, 2010

check the distributor. See if its loose and look under the cap. The rotor could be shot and/or the contacts could have too much carbon built up.

recycledxj · Feb 9, 2010

I pulled the cap and everything looked good.

JeepCherokeeGuy99 · Feb 9, 2010

how about the coil? check connections there and use a volt meter on the coil

JeepCherokeeGuy99 · Feb 9, 2010

also, is the jeep throwing any codes?

jeepman121 · Feb 9, 2010

Have someone turn the key to half forward while you put your ear near the tank so you can listen for the fuel pump kicking on.

recycledxj · Feb 9, 2010

I checked fuel pump works, fuses and relays good. I'm taking voltameter home tonight to see if I have volatage going to the coil.

JeepCherokeeGuy99 · Feb 9, 2010

recycledxj said:
I checked fuel pump works, fuses and relays good. I'm taking voltameter home tonight to see if I have volatage going to the coil.

if you do have voltage going to it but not from it, then replace the coil.

jeepman121 · Feb 9, 2010

Did you also check to see if you have pressure at the fuel rail?

JeepCherokeeGuy99 · Feb 9, 2010

jeepman121 said:
Did you also check to see if you have pressure at the fuel rail?

well right now he's experiencing a no spark problem, so we have to take one symptom on at a time

jeepman121 · Feb 9, 2010

Jeepcherokeeboy97 said:
well right now he's experiencing a no spark problem, so we have to take one symptom on at a time

lol. I didn't realize you knew it didn't have spark.

birchlakeXJ · Feb 9, 2010

Crank sensor circuit and ignition coil are the #1 and #2 cause of no-spark.

Coils can be tested for primary and secondary resistances.

recycledxj · Feb 9, 2010

Well I know the crank sensor circut is working. if I unplug the crank sensor then turn the key to run position then plug the cps back in I hear a relay click for a second.

It just drives me crazy knowing before hand the jeep started and drove fine. How can stalling the engine fry the coil are anything?

birchlakeXJ · Feb 10, 2010

Don't analyze too much. The "stalling" may have been the first symptom of a bad coil.

Test the coil.

recycledxj · Feb 10, 2010

Thanks everybody for the help.. it turned to be the coil. Its always fun replacing parts on the heep in blizard like conditions.

JeepCherokeeGuy99 · Feb 10, 2010

good to hear man! and your welcome!

joe_peters · Feb 10, 2010

Jeepcherokeeboy97 said:
good to hear man! and your welcome!

Good call on that one Jeepcherokeeboy97. :yelclap:

JeepCherokeeGuy99 · Feb 10, 2010

joe_peters said:
Good call on that one Jeepcherokeeboy97. :yelclap:

arty:

Crank but no start....

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