1997 Mazada Protege LX - Engine Troubleshooting


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1997 Mazada Protege LX

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Auto Repair Home>> Automotive Repair>> Engine Troubleshooting

marshell
Novice

Feb 28, 2007, 10:56 PM

Post #1 of 4 (1286 views)

1997 Mazada Protege LX	Sign In

I have a 1997 Mazada Protege LX. It is sucking oil through the air filter and stopping up the air filter and spraying oil all over the side of the motor. Anyone got a suggestion what to look for first?

DanD
Veteran / Moderator
DanD profile image

Mar 1, 2007, 6:15 AM

Post #2 of 4 (1282 views)

Re: 1997 Mazada Protege LX	Sign In

Check the PCV (positive crankcase ventilation) valve.
Remove the PCV valve from the engine's valve cover leaving hose attached. Start the engine and check for vacuum at the valve’s opening. If no vacuum is felt check for collapsed or plugged hose restricting vacuum, if hose is ok, replace valve.
But if the PCV circuit is ok then the problem could be excessive crankcase pressures. Due to combustion pressures getting past the pistons into the crankcase?
Which could be caused by worn, seized or broken piston rings; worn tapered cylinder walls; in other words overall engine wear which would mean reconditioning or replacing the engine.
One other thing that I can think of; restricted exhaust system? If exhaust can’t get out of the engine the excessive internal pressure could cause oil to blow up to the air cleaner. But restricted exhaust usually causes running issues (loss in or no power) which you didn’t mention.
Dan.

Canadian "EH"

(This post was edited by DanD on Mar 1, 2007, 6:15 AM)

bmac
User

Mar 1, 2007, 5:33 PM

Post #3 of 4 (1275 views)

Re: 1997 Mazada Protege LX	Sign In

I also own a 97 Protege lx and had problems with oil spitting all over the top of the motor. I tried a couple different things that didnt work but then the head gasket blew. Instead of replacing it I just went to the junk yard and bought an engine with 40000 miles on it for $400. Installation was the easiest i've ever done. I did it in my driveway in 1 day. Maybe you have a head gasket starting to blow compression back into crankcase like I did.

marshell
Novice

Mar 1, 2007, 7:47 PM

Post #4 of 4 (1273 views)

Re: 1997 Mazada Protege LX	Sign In

THANK YOU WE WILL TRY THIS... THANKS A LOT

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