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Tony1818
Tony1818, Dodge Technician
Category: Dodge
Satisfied Customers: 4
Experience:  4 years level 4 chrysler certification specializing in diesel and trans
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2004 dodge: 5.9 diesel..trouble code..a fuel controle actuator 6 mos

Customer Question

i have a 2004 dodge cummins 5.9 diesel w/ trouble code p0088 can you help w/ the trouble shooting process, installed a fuel controle actuator 6 mos ago. and now its running rough untill rpm are higher thank you for your help
Submitted: 8 years ago.
Category: Dodge
Expert:  Tony1818 replied 8 years ago.
the code is for fuel pressure above max limit. the two things to check are the fuel control actuator and fuel pressure sensor. You check the actuator by cycling the key on then back off and you should hear the actuator click when key is turned off. If you dont hear it , that means it is stuck. Next would be the fuel pressure sensor, but without access to a scan tool it is going to be hard to test this.

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