Having problems with your 1997 Cadillac Catera ?
Oil in air intake - 1997 Cadillac Catera
Sounds like a bad pcv.the pcv is for taken out oil fumus out of the motor,but if it is bad it sucks oil out of the motor. sending a picture of a basic pcv system
Repair Help & Product Troubleshooting for 1997 Cadillac Catera
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