Question about 1998 Saturn SL
It doesn't have an actual camshaft sensor. What they do is monitor the collapsing electromagnetic field of the 1-4 coil with the ignition module.
The fix is to remove the two coils, remove the ignition module, and using a scotchbrite pad clean the module mounting surface on the transmission thoroughly. Once it is cleaned reinstall the module and the coils. Use new bolts that are available from Saturn/GM dealer. Clear the codes. and you should be good to go.
In rare cases the ignition wires and/or the ignition module will also need to be replaced.
This is or was a pretty common problem with saturns. There is a TSB for it.
Posted on May 25, 2011
I think the cam sensor is at the back of the camshaft on the drivers side of the motor under a cap with wires that go to it.not sure.
Posted on May 25, 2011
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Posted on Jan 02, 2017
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May 05, 2013 | Cars & Trucks
No Camshaft Position Sensor Circuit Failure
CMP Sensor connector is damaged, open or it is shorted.CMP Sensor signal circuit is open or shorted to ground or to battery voltage or 5v supply circuit.CMP Sensor 5v supply circuit is open or shorted to ground or to battery voltage.CMP Sensor ground circuit is open.CMP Sensor is damaged or has failed.CKP Sensor is damaged or has failed.PCM has failed.I would make a copy of this and tell him that the camshaft needs to be replace or what ever is causing problem,they probaly know.
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