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FP not increasing with Boost

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jpratt

Well-Known Member
Joined
May 6, 2004
Messages
3,335
Just noticed today that the FP does not rise with boost. A few weeks ago I put on new vac hoses. I think that one of the hoses might have collapsed into itself. Not sure but the boost should push it back open and reach the regulator. I will run a new hose from the block to the regulator. Reg is new this year. Am I right thinkng that FP should increase 1:1 with boost?
 
Where is the regulator getting its signal from? Needs to come right off the vacuum block hard line in the front. Sometimes in the course of multiple owners, the whole vacuum system will end up routed all wrong.
 
VadersV6 said:
Where is the regulator getting its signal from? Needs to come right off the vacuum block hard line in the front. Sometimes in the course of multiple owners, the whole vacuum system will end up routed all wrong.
It is routed correct under the TB with a hard line. I am going to use a hose to replace that and see if things change.
 
I'm on my third fuel pressure guage in two years. Are you sure yours is working?
 
Ran a line from the vac block straight to the FP reg and then went out for a drive. Still does not increase with boost. Guess I will swap it out and see what happens.
 
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