CYLINDERS 1 AND 4 NOT FIRING

1999 Saturn SL2

Tiny

myself1168

May, 8, 2013 AT 7:42 PM

Okay so I'm having an issue with the cylinders 1 and 4 not firing, they are on the same coil. I've switch coils and they still don't fire. I've also switched out the ignition control module, and still 1 and 4 are not firing. I am at a loss for what should be checked next. Thanks in advance.

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2 Answers

Tiny

myself1168

May, 8, 2013 AT 7:51 PM

Also it is not sparking from/at the coil so its not wires or spark plugs.

Tiny

mhpautos

May, 9, 2013 AT 3:19 AM

Scan for a crank angle sensor fault check for power at the coils.

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