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chevy duramax 6.6 engine codes

   
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Old 08-31-2010, 01:03 PM
autosunltd's Avatar
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Question chevy duramax 6.6 engine codes
i have a 01 duramax 4x4 it has dtc p0088,p0089,p0090 where do i start to take care of this problem.
 
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Old 08-31-2010, 11:38 PM
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fuel rail pressure sensor or fuel pressure regulator.. most likely the regulator bc if u look up p0088 it gives both as an option for replacement, p0089 tells u to look at p0090 1st and the option for it is the regulator.
 
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