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Need help identifying problem? Compression check results...

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GSTurbo1

10+ Year Contributor
610
1
May 2, 2012
Pickens, SC, South Carolina
Ok guys,

Overfilled oil in my car about three days ago, drained the oil and filled correct amount. Car will not idle now, throws blue & white smoke out the tail pipe, runs horrible at low rpms will pull hard if I slowly get on the throttle and turbo slowly spools up.

I just recently replaced valve cover gasket, clean spark plug after every ride in hopes that all oil will be burned out (black after every ride), and did a compression check test.

The results from the test were cylinder 1= 120 psi, #2=125, #3=120, #4=150psi

are these low on cylinders 1-3, I really want to know if my head gasket is bad or not... i'm not driving it anymore until I can diagnose what the problem is.

----The guys at the shop said the car was abnormally flooded this would make since due to the fact that I can watch my gas needle move now... Before I overfilled and had it running good I could drive for days on 20$ in gas now $20 gets me twenty minutes.

I know the car is severely untuned but could this cause the symptoms described?

Any help will be greatly appreciated.

Thanks,

Jason
 
How much was it over full was it a lot or less then 1 qt over? Does it smell like anti freeze from the tail pipe? I really don't like the result of the compression test are u sure the results are aqurate?

Check your anti freeze level is it low?
And are you sure you over filled the oil or was it anti freeze in it?
 
found out that I had cut the vacuum line that goes to fuel regulator... problem solved. Had to back off fuel mixture also, it was running way to rich. Now it pulls hard.

I cut the vacuum line for the fuel regulator on accident causing it to flood itself. All good now though... pulls the hardest I have ever felt
 
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