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Dan
Dan, Technician
Category: Nissan
Satisfied Customers: 24578
Experience:  Independent Shop Experience, 2 Year Automotive Diploma, & Access to Information Database
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what should the fuel pressure be on a 2000 nissan sentra?

Resolved Question:

what should the fuel pressure be on a 2000 nissan sentra?
Submitted: 6 years ago.
Category: Nissan
Expert:  Dan replied 6 years ago.

Welcome to JustAnswer, my name is XXXXX XXXXX I'm here to help get your problem resolved. Ask follow up questions, thanks.

 

34psi at idle and 43psi with vacuum line removed from fuel pressure regulator or key on engine off.

Customer: replied 6 years ago.
ok this motor is a 1.8 its got the right pressure and it wont go over like 40 mph, stalls out all the pressures are right tps has adjustment to it why? is there a certain way it should be set?
Expert:  Dan replied 6 years ago.
what work was done? Is check engine light on?
Customer: replied 6 years ago.
codes are po471 an 474 it runs rough and excells terribly? pressure for fuel is good,and maf seems to be functioning is there a special way to set tps?
Expert:  Dan replied 6 years ago.

Have you check for vacuum leaks by spraying alternative fuel around itnake, thorrole body, ect to see if idle changes?

Customer: replied 6 years ago.
yes i have no leakes vaccum lines all good!
Expert:  Dan replied 6 years ago.

Did you check fuel pressure?

What size engine?

Customer: replied 6 years ago.
fuel pressure is good its a 1.8,
Expert:  Dan replied 6 years ago.
I'd replace the mass airflow sensor then. Let me know if you have questions, thnks.
Dan and 5 other Nissan Specialists are ready to help you
Customer: replied 6 years ago.
is there a certain way the tps should be adjusted as i removed it and put back on
Expert:  Dan replied 6 years ago.
No, tsp wouldnt cause these codes.
Dan and 5 other Nissan Specialists are ready to help you