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2000 Catera Sport
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390 Posts
Discussion Starter #1 (Edited)
Everytime I remove my intake plenum I see oil inside it, in the throttle body, in the two small holes on back/ top of the throttle body, in the large intake hoses connected to the front of the throttle body and in the lower intake. I clean it all out and a week later when I remove the intake plenum, same thing. Its all coated in a thin layer of oil. Could this be a clogged breather box problem?

 

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2000 Catera
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1 Posts
Hey man I am having this same problem along with my motor turning over and will not fire. If this has something to do with no fire and you figured out the problem, I would greatly appreciate the info.
 

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Platinum 2001 Cadillac Catera Sport
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1,840 Posts
Hey man I am having this same problem along with my motor turning over and will not fire. If this has something to do with no fire and you figured out the problem, I would greatly appreciate the info.
No ignition is usually the Crankcase Position Sensor (CPS). Read more in the stickies at the top of the page.
 

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Catera 98 & 99
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113 Posts
the crankcase breather would always have positive pressure, if it was clogged the vavle covers would blow.
i have the problem in my 99 that i just cleaned the breather and replaced the vavle covers. the only thing i can think why this is going on there could be to much oil or to much crankcase pressure.
 
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