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Volvo D1 30f compression test

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GeoffV:
My engine loses engine revs slowly after startup. So if I put in gear and apply throttle the revs will drop slowly down to a steady 1250 and hold there.

Have bled engine at the fuel pump etc etc. But on cracking the fuel supply pipes one by one I find the middle cylinder does not drop any revs like the others even though fuel is spraying out!

So I thought I would check the compression first before thinking about the injector.

So where do I get the kit for this, and also the correct method to carry out the test.
Thanks in advance for any info
Geoff

tiger79:
It's probably cheaper to get a VP mechanic to check it for you.

Worth checking the valve clearances first though.

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