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-   -   My 95 4Runner's compression (https://www.yotatech.com/forums/f116/my-95-4runners-compression-106934/)

pruney81 Feb 11, 2007 02:50 PM

My 95 4Runner's compression
 
My 95 3.0 with 157k miles is reading:

200 200
198 205
210 205

Front

Is this abnormally high? That's the numbers if you are facing the engine from the front of the truck.

littlerunner Feb 11, 2007 03:20 PM

looks great to me.whats the problem

mastacox Feb 11, 2007 03:33 PM

Looks like you have excellent compression, I don't know how you could have your compression be "abnormally high."

Marc Feb 11, 2007 04:18 PM

Are you sure your guage is accurate?

pruney81 Feb 11, 2007 07:08 PM

Well, I thought that it might be reading really high because of excessive carbon build up?

Marc Feb 12, 2007 08:53 AM

Could be a lot of carbon build up. Do you have any pinging?

mt_goat Feb 12, 2007 09:00 AM

You can see here the 3vze factory specs are 142-171 psi:
http://personal.utulsa.edu/~nathan-b...66compress.pdf

mt_goat Feb 12, 2007 09:02 AM

Did you do the test with all the plugs out or just one plug at a time?

pruney81 Feb 12, 2007 10:00 AM

'm not sure how it was done, my friend who is a Toyota tech did it when he replaced my headgaskets a few months ago. And to answer your question Marc, it's not pigining as far as I can tell


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