656 engine miss

Anonymous-0

Well-known Member
I have this 656 that just started missing very bad number one hole and number three hole are the problem checked the nozzles and they tested bad. But still misses pulled valve cover off and checked for a broken push rod or rocker arm all ok. Would this be a head problem or a cylinder havent worked on very main of these any other ideas Thank you
 
Do you mean you replaced injecters and it still misses? If so I would run a compression test to check for burnt valves or a hole in piston. If that is ok I would have the injection pump looked at
 

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