chlk eng, reduced power & sensors


Asked by Oct 23, 2014 at 02:14 PM about the 2007 Pontiac Grand Prix Base

Question type: Maintenance & Repair

my car started hard starting 6 mos ago, then wouldn't start at all,the x's friend said fuel pump at first, then sensor, i forget which one, but it was not on the throttle body, it was in black box with fuses Under hood next to battery- he changed and ran fine, only i noticed the ck eng light came on after he did this, then the other day, bam same thing hard starting, sparatic start don't start, then reduced eng light and reduced power, then no start then started fine and ran full full power, then no start- reduced eng light still on.... what senser is in black box- also wondering if is electrical i have no horn was disconnected when i bought, and light comes on panel says theft system disabled or something to that degree, yet the red blinking light goes off, and alarm will go off (lights) no horn, and i had a problem with window , which wasnt relay, just goes when it wants.....ANY AND ALL OPINIONS & HELP  GREATLY APPRECIATED- SINGLE MOM- 07 GRAND PRIX

1 Answer


it turns out i need a new ignition & crank sensor & a under the hood fuse block - 980$ parts and labor

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