Compression problems and fuel problem

C

Compoundvinny

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Nov 9, 2016
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Problem #1.....I took my truck the the shop the other day because it wasn't running right but befor I took it I cracked each injection it is a p pump 24v 1-5 I cracked and the motor started dying down but when I cracked #6 nothing so I thought it was an injector so we put a new set of injectors in we started the truck up and it is still had the same Lope that it had befor...


Problem #2....so after all that we did a compression test we found out that 1-5 were fine but #6 had 650-700psi everyone I ask has never Hurd of that and thinks I'm just messing with them so after that we pulled the head everything looks fine just the head gasket was blow it is fire ringed
 
Sounds like a valve train issue, flat cam, broken rocker, something like that. You need to find a different shop it sounds like.
 
Agreed.

If you got a bunch of fuel or oil into #6 when removing injectors, that can raise compression too.

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