Question about 2005 Mitsubishi Grandis
Remove all the plugs. have the throttle stuck wide open so as to get max air flow. Insert a compression gauge into each cylinder in turn and crank over about six times or until the needle stops moving up. Record the reading and move onto the next cylinder and repeat the operation. when finished with all cylinders, get an oil can and squirt oil into each cylinder ( about 3 pumps on the plunger will do) retest the cylinders as before and record the new readings. adjacent cylinders with a difference of 10% indicate a blown head gasket. one cylinder low indicates a valve problem. with the oil readings, if there is no increase in readings --worn rings/cylinder damage. If there is a cylinder still low = broken ring or cylinder damage. Ensure that the battery is in good condition to spin the engine fast for best results
Posted on Nov 14, 2014
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Posted on Jan 02, 2017
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