When the problem occurs, if it cranks good but won't start, have a helper crank it while you visually check for spark at the plugs. If spark everywhere, use a gage and check fuel pressure.

Answered by JDL (expert)
14,402 answers provided

WE ARE THINKING THE COMPUTER IS NOT SENDING THE FUEL UP. AFTER IS SITS IT WORKS GREAT AGAIN. SEEMS TO HAPPEN WHEN WE DRIVE ABOUT 45 MIN AND IT IS HOT. WE PUT A COMPUTER CHECKER ON AND IT WON'T EVEN MAKE A CONNECTION. BAB COMPUTER OR CHIP???????

Response from JUNE
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