| 4727 code |
| 07-13-2022, (Subject: 4727 code ) Post: #1 | |||
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| 4727 code Hello I have a code 4727 pop up. Injector metering rail 1 pressure data valid but above normal operating range. I think I got some bad fuel over in Texas so I replaced water separator filter and primary fuel filter. Cleaned davco housing good. Replace fuel rail check valve and fuel rail pressure sensor. No one in my area can seem to figure out the problem and I’m getting tired of just throwing parts at it. Any help would be appreciated. Cummins isx 2350 built 9-2014 | |||
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4727 code - Shawdog257 - 07-13-2022 RE: 4727 code - JimT - 07-13-2022, RE: 4727 code - Rawze - 07-14-2022, |
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