Posted 11/11/2013 21:59 (#3438989 - in reply to #3438847) Subject: Re: 94 Volvo intermittently starting hard.. 12.7 Detroit
Dearfield Co.
I would check and make sure you dont have a piece of oring in the check valve .you could also have one inj dripping and draining the head.If you could find a detroit dealer that could machine test them and when I say that pop them off (inj)