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 Chris Your Own Question
Chris
Chris, Shop Foreman
Category: Jeep
Satisfied Customers: 3169
Experience:  Jeep Certified Master Tech
12365498
Type Your Jeep Question Here...
Chris is online now
A new question is answered every 9 seconds

97 xj cherokee 4.0. No start. Replaced fuel pump now has

Customer Question

97 xj cherokee 4.0. No start. Replaced fuel pump now has fuel pressure at thr rail. Noid lights blink so getting injector pulse. Starts on starting fluid and if held throttle open after starting fluid will run very rough and die if accelerator is moved. Found 4.5 to 5 volts at fuel pump connector. Jumped relay got 12 v at connector but no difference. Stumped...
Submitted: 1 year ago.
Category: Jeep
Customer: replied 1 year ago.
Only obd codes are P0443 evap faults. Have no fuel pressure gauge but has good stream if valve on fuel rail is pressed.
Expert:  Amedee replied 1 year ago.

Hello and welcome! My name is ***** ***** I can assist you with your question. Does the engine start and run on starting fluid?

Customer: replied 1 year ago.
Expert:  Amedee replied 1 year ago.

Does it run good on starting fluid?

Customer: replied 1 year ago.
Started on fluid holding accell to floor and slowly running better but won't go past 1000 rpm
Expert:  Amedee replied 1 year ago.

Well it should go past 1000 rpm even on starting fluid. If not, there is another or different problem.

Related Jeep Questions