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Discussion Starter · #1 ·
What is the repair for these two codes? P0088 and P0089.
2003 Chevrolet 2500HD, stock, 265,000 miles.
 

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saw what you did there
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Premium Member
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Discussion Starter · #5 ·
P0088 P0089 dtc's

If the fuel pressure regulator is bad, would that cause fuel rail pressure to read high?
 
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