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Daniel Wilson
Daniel Wilson,
Category: Medium and Heavy Trucks
Satisfied Customers: 4679
Experience:  Owner at DJ Wilson
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I have a ISX that wont start has a low fuel pressure code

Customer Question

Customer: i have a ISX that wont start has a low fuel pressure code but has fuel pressure at gear pump while turning over lift pump works it will start on either wont stay running.
JA: Thanks. Can you give me any more details about your issue?
Customer: like
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Submitted: 1 year ago.
Category: Medium and Heavy Trucks
Expert:  Daniel Wilson replied 1 year ago.

Hi my name is***** will be glad to help. Please post the full fault codes you are getting associated with this.

Customer: replied 1 year ago.
low fuel pressure replaced fuel shut off repaired wires going to ecm pulled both pressure reg. out and checked see nothing wrong
Expert:  Daniel Wilson replied 1 year ago.

thanks for the update. I still want the actual code numbers with the SPN and FMI numbers.

Customer: replied 1 year ago.
482 low fuel pressure I'm thinking that the starter may be dragging a bit. ?
Expert:  Daniel Wilson replied 1 year ago.

Thanks for the info. Te engine should be turning at a decent cranking RPM for starting but for your fuel pressure code click on this link for the troubleshooting steps.

Customer: replied 1 year ago.
I'm at step 5 I get about 75psi while cranking and it cuts out to about 0 then back trys to start fuel cuts back out.
Customer: replied 1 year ago.
I have another gear pump I my try in the morning.
Expert:  Daniel Wilson replied 1 year ago.

Thanks for the update. Let me know how you make out with the pump swap.... Make sure of no restrictions or leaks sucking air either.

Expert:  Daniel Wilson replied 1 year ago.

Hi, Did you get this resolved?

Expert:  Daniel Wilson replied 1 year ago.

Hi, did you get this worked out or still need help?

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