How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Gary Your Own Question
Gary, ASE Certified Technician
Category: Ford
Satisfied Customers: 1183
Experience:  Senior Technician
Type Your Ford Question Here...
Gary is online now
A new question is answered every 9 seconds

I think it has low fuel pressur at 28 psi what should it be.

Customer Question

i think it has low fuel pressur at 28 psi what should it be. has lack of power and speed.
JA: How many miles are on the vehicle? And when was it last serviced?
Customer: 82 k ,i service it all the time.
JA: What is the model of your '82 Ford?
Customer: 1990 f250 460 xcab 4x4.
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: I have replaced the fuel pressuer regulator and the fuel filter and map snsor.
JA: Anything else you think the mechanic should know?
Customer: no
Submitted: 1 year ago.
Category: Ford
Customer: replied 1 year ago.
I have also changed the EGR valve
Expert:  Gary replied 1 year ago.

Hi there,

Is your measurement of 28psi with the engine running?

Pressure should be about 42 psi, with vacuum hose taken off the regulator.

Or whenever the ignition key is first turned on.


Expert:  Gary replied 1 year ago.

Hi again,

I hope my advice has been of assistance to you.

Kind regards