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Dec 9, 2016

The codes pop up on a Duramax when there's low fuel rail pressure: P0087 or P1093. Usually, the truck is performing at its maximum and unable to keep up with what's commanded. The common rail fuel system operates at 28 - 29,000 psi and needs to drop only 2,200 psi to trigger the trouble code. Once the pressure drops, the Duramax goes into limp mode. In this episode of the Diesel Performance Podcast, Paul welcomes back Calibrated Power Solution's service manager, Phil Grandinetti to diagnose the symptoms and propose solutions for low fuel rail pressure on the Duramax. Troubleshooting P0087 or P1093 is not that straight forward. The stock fuel system on a Duramax includes both high and low-pressure sides with each generating its own set of symptoms. Paul and Phil go into detail on the symptoms, diagnostics, failures, causes, fixes and prevention. This is a must-listen for every Duramax owner. 

seven and a half years ago

Good info guys🇺🇸