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Quit running codes, P-1688, P-1689 Help please

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Old 06-30-2007, 07:05 PM
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Default Quit running codes, P-1688, P-1689 Help please
My 02 diesel Ram quit running last night. Scanned it today and these codes came up. Does anyone know where to start looking for the problem?
Thanks,
Bill
 
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Old 07-01-2007, 02:00 AM
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Default RE: Quit running codes, P-1688, P-1689 Help please



[align=center]P1688[/align]
Internal Fuel Injection Pump Controller Failure

[align=center]P1689[/align]
No Communication Between ECM & Injection Pump Module

sounds like a bad fuel pump?
 
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