Author Topic: won't catch....ZJ (Read 1157 times)

dunl · « **on:** October 07, 2006, 03:31:43 PM »

My 93 Grand won;t start for me. It turns over fine, but acts like it can't get any fuel to the engine. It has done this twice before, and both times it was the ignition coil. This time, I changed out the ignition coil, and it still won't catch.

Any other ideas?

BUKI · « **Reply #1 on:** October 08, 2006, 10:08:18 AM »

did u check your fuel press. and or do you have spark. Those are the first two things I check

BUKI · « **Reply #2 on:** October 08, 2006, 10:11:21 AM »

also check your dist cap for carbon tracks and your rotor. too much corrosion and no spark. Check all good main grounds to the block and head bad ground = no spark again.

kevman · « **Reply #3 on:** October 08, 2006, 10:35:09 AM »

Check your fuel pump?

Under the hood, on the drivers side, there is a fuel rail right beside the throttle body. On the fuel rail there will be a little black cap covering a shrader valve (tire valve). Press the pin in the middle and see if you have any fuel pressure. Have someone turn the ignition to on but not start it while you hold your ear right against the floor in the cargo area approximately 18" in from teh tailgate and 18" from the drivers side. The fuel pump should cycle for 2 seconds when ignition is on before you start it. You'll be able to hear it. No noise? Crawl under the jeep and right infront of your gas tank their will be some electrical wires along with your fuel lines. There will be a plug that you can check for proper voltage to the fuel pump. Finally, if the pump is fine you can check the regulator by disconnecting the vacum line. However, you'll need a gauge to verify the proper pressure increase.

dunl · « **Reply #4 on:** October 08, 2006, 11:15:53 AM »

Thanks for the starting points guys....Thanksgiving, unfortunately. Turkey rules and wrenches drool today.