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Discussion Starter · #1 ·
06 c5500 60k kms

limp mode coded p0087

changed fuel filter primed and primed no start
scanned with snap on tool very low fuel rail pressure
changed fuel rail pressure reg
very hard to start a couple times
500mls fuel on return side in 60 secs of cranking
changed fuel rail pressure relief
still no start

any other ideas

thanks cory
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