Mechanics

WHY WON'T IT START?

1996 Pontiac Grand Am • 120,000 miles

Car has been running well. Parked it and came out the next morning and engine would crank over, but would not start. Have determined that engine is lacking spark and fuel. Upon key on, I hear the fuel pump run, along with everything else powering up ok. All fuses ok, including the pcm and ign fuse. Have replaced the coil pack along with the ignition module and crank sensor, but with no change. Ignition module getting the 12 volts at the 2 pin conn. On left side. Crank sensor ohmed out at 901 and with engine cranking was getting 1.1 volts. All grounds look good. Unplugged map sensor, no change.
Wondering what to look at next?
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Christinate
December 30, 2011.




What motor?

Tiny
Fixitmr
Dec 30, 2011.
3.1

Tiny
Christinate
Dec 30, 2011.
Thanks for your help, but the ignition module and crank sensor has already been replaced prior to your post on testing them. Any other clues?

Tiny
Christinate
Jan 1, 2012.
You checked ignition module ground wire next to hot?
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Tiny
Fixitmr
Jan 1, 2012.
Yes, we have a good ground on that side.

Tiny
Christinate
Jan 1, 2012.
Did you test CKP pulse at ignition module?

Tiny
Fixitmr
Jan 1, 2012.
Yes, around 1v cranking the engine and it ohm'd out at 900ohm

Tiny
Christinate
Jan 1, 2012.
And still no spark?

Tiny
Fixitmr
Jan 1, 2012.
Correct, no spark. Everything leads to the module in my mind, but I have tried two different ones.

Tiny
Christinate
Jan 1, 2012.

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