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Back pressure in Enging - 6G Celicas Forums

Topic #58185 7 posts Started by volcanoboy
Can somebody please advise me as to what the problem is with my car. I have alot of pressure building up when i am in high RPM. So much pressure that it blows out my dip stick that is used for testing oil levels and messes up my engine with oil what does anyone think the problem is. some body please advise me so i can solve the problem.
sounds like excessive blow by, do a dry compression test and then wet compression test and post the results.

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2000 Celica GTS 'slowest gts evar'1998 Mazda 626 FS-DE/CD4-E
your pcv valve is most likely the cause. it's usually located in between the top of your valve and the intake manifold. take it out and shake it. if you hear it moving back and forth it's good. if you hear nothing it's clogged. it's only about 5 bucks to replace so it's an easy fix.

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QUOTE(6GenCelicaST @ May 4, 2008 - 8:13 PM) [snapback]670626[/snapback]
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your pcv valve is most likely the cause. it's usually located in between the top of your valve and the intake manifold. take it out and shake it. if you hear it moving back and forth it's good. if you hear nothing it's clogged. it's only about 5 bucks to replace so it's an easy fix.



Thanks i have tried the pvc valve already its seems to be good is there anything else than can cause this problem?
you burn a lot of oil too?

you should rally do that compression test

QUOTE"And, as always, your friendship, help, and dedication to the advancement of Texas Celica dominance is GREATLY appreciated. Thanks bro." -DEATH1994 GT:V6 swap, 5speed E53 W/ LSD, All Power, now RED1995 ST:SOLD @273k miles, Auto, all power, CarPC, White1994 ST:Totaled, 5spd, all power, RedRIP 07/09/09 @ 241,8101994 Lexus LS400:This is my new DD
well you could go out and buy a filter that sits on top of your valve cover to try and compensate for the amount of pressure in the head. i'd go buy a new pcv valve and see if that fixes the problem first though.

QUOTESurprise buttsecks always works fine for me.1994 Toyota Celica ST1977 Harley Sportser XLH1992 Ford F-350 (plow truck)Facebook
It might just be that the dipstick rubber is worn and you could use a new one.