: 99 seville sls

07-23-06, 11:36 PM
my 99 sls keps shutting off out of nowwhere, no sign of stall or anything. i checked for code and the only code showing ic pcm p1599. Could anyone lead my in the rigt directions of fixing the problem.

> I checked the FPR , and found nothing leaking.
> With the ignition key ON ( ENGINE OFF), the only light come on is, { OIL, BATTERY, SERVICE ENGINE SOON}.

What's the chances of the pcm is bad, or how should i know.

Thanks for the help if anyone can help me.

07-24-06, 01:12 PM
check both crank sensors

07-25-06, 01:14 AM
:yeah: CPS (Crankshaft Position Sensors)