lost all compression in #2 cylinder

ricknbird350 · May 25, 2006

i sold my friend a 92 tsi awd that i bought and never drove. and he was racin me yesterday and had his boost all the way up in it and it started missing after the race. he drove it home and we pulled the plugs and they were fine. i did a compression check and it went like this.

90--120--0--120

do you think its a bent or stuck exhaust valve?

OddRob · May 25, 2006

A leakdown test will lead you in the right direction.

Red1991TSI · May 25, 2006

I'm assuming the belt is still intact. Either burnt a valve, piston, ring or blew out the HG.

cdawgstalon · May 26, 2006

thats not good at all, after you get the leakdown test down, you should be able to pinpoint the problem, which is hopefully minor.

dsmbuilder · May 26, 2006

what do you mean by boost all the way up? Any fuel mods?

SignTist · May 26, 2006

There's no reason for all these tests... why would it be minor? He's got 90 on one, 0 on another and 120 on two. Those pressures are WAY off and the engine is toast.

SignTist

lost all compression in #2 cylinder

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