I have spark and fuel and fuel pressure. I had wired in a voltage regulator so my chexk engine light will be on forever. I have spark when i take a spark plug off the part where u screw them in and i grounded them and they have spark. I undid the little bike tire looking cap and pushed down and had fuel squirt out. I have fuel pressure. My distributor rotor turns so my timing chain is ok. THINGS IVE REPLACED: the cps, spark plugs, distributor cap distributor wires. I have spark at the coil and solenoid. And it just keeps cranking and i tested the codes and got: 12 disconnected the battery lately, 41 Alternator field control circuit open or shorted, and 55 End of codes. I have swapped batteries and used fully charged batteries and stilllll no start. All my wires, relays, and fuses check out and still no start so i took the alternator out to go test it. WHAT THE HELLLL?!!?!?!?! did my jeep just........

 

Maybe it's not getting air then. Have you checked your throttle and idle control? do you ever put your foot on the gas while it's cranking? It's probably an easy fix... only tough part is finding it.

 

sounds like it might be air.

 

Bad alternator, it might have taken out a cell or two in the battery as well. Pull them both and have oyur favorite parts store test them.

Please post a follow-up.

 

oh, almost forgot..

Done a compression test yet?

 

Did you ever clean out your throttle body

 

just got throttle body and carb cleaner gonna clean it when i get home i also got a new alternator for free thanks to napa!

 

try squirtin some of that carb cleaner into the intake and see if it fires. mine did the same thing to me once. if it works no fuel

 

so i open the throttle plate and squirt it in the bottom of it?

 

just pull off your air box top and squirt it down the big hose

 

or even a vacuum line on top of the intake. unplug, squirt it in then put the line back on

 

I had this happen to mine twice and both times were something stupid.

The first time we had no fuel, thought the fuel pump was toast, come to find a wire under side that got cut by a branch, fixed it and ran perfect.

The second time was good everything. Come to find out there was a wire going to the Distributer that was disconnected.

 

Um... that stuf wont make a engine run... Listen... very simple.. take the boot off the TB pour gas in a soda CAP the CAP just fill cap up... pour in and crank.. if it fires up for a second.. then you have fuel problem.. check filter..if its ok then pump

 

carb cleaner will get your engine to fire. i do it all the time

 

Just because you got a little dribble of gas when you push the schrader valve in does not mean you have the required fuel pressure for your engine to run. You need a fuel pressure gauge to know what the actual fuel pressure is.