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Checking compression procedure 850

uid 5322's pic
posted by  alschnertz on  Thu Mar 21 19:15 CST 2013
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last visit: Fri Oct 24 10:32 CST 2014
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I've come to realize that I've never had to check the compression on a car that has fuel injection or even a computer.

So I figured for the 854T I'll pull the fuel pump relay while I'm checking the compression. But is there something else I should disconnect so the computer doesn't think that the car is misfiring? Still crank it with the throttle wide open, right?

I'd hate to have it set a CEL because of my compression test, but I suppose it's easy enough to erase it anyway.
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New Checking compression procedure [850]
posted by  alschnertz subscriber  on Thu Mar 21 19:15 CST 2013 >


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