Fuel System Question

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03-21-2012, 10:11 AM

#11

GstangT

3rd Gear Member

Thread Starter

Join Date: Jun 2006

Location: California

Posts: 563

Quote:

Originally Posted by GrayPony

Hook up a pressure gauge, run the car till it fails, have a look at the gauge and you see if it's a fuel pump issue. A fuel rail adapter gauge is about $60 or a test line and gauge about $30. I use the test line and a sender for my fuel pressure gauge.

Fuel pressure test line (remove the nipple and install the gauge

Rail adapter

Yeah I believe that would be the very best way to find out whether or not it's FP pump related, but I'm pretty confident it is.. just due to the fact that this happened so many times and every time I can't start it, I can't hear the FP come on. Because besides stalling or not starting, every other time it does start it runs perfectly.. no erratic idle, no surging or RPM bouncing

10-18-2017, 09:57 AM

#12

gamma500

Join Date: Sep 2017

Location: California

Posts: 1

Quote:

Originally Posted by Nuke

Can you provide more details? There IS a TSB for the fuel pump which is related to air bubbles forming during a constant cruise at steady state speeds, then hesitation when you go to accelerate. There is also a very similar symptom when the TCS is on and you go WOT. But nothing that shuts the engine off.

Hey Nuke, im a 2007 Roush Stage3 owner with 35k miles, I am having drivability problems which i think are fuel pump related if you have that TSB relating to the Fuel pump and air bubbles. Thank you, Gamma500