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Re: 05 Chevy Silverado 6.6 diesel P0090-P0089
Posted to Technical Discussion Forum on 8/3/2016

refer to tsb #05-06-04-039 . Conditions for setting the P0089 are; •The difference between the actual FRP and the desired FRP is more than 20 MPa. •The commanded fuel pump flow is 100 mm³/second or less.

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