Riffraff Diesel Technical Knowledge Center
Turbocharger Pedestal Leaks - 7.3L Powerstroke
Posted by Adam Blattenberg on May 28th 2025
Oil leaks on the 7.3 are common. One of the most common areas to leak, is from the turbo pedestal. It’s also one of the most commonly misdiagnosed leaks as the oil generally leaks down the back
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The Glow Plug System - Common issues, codes, on-times, and more
Posted by Adam Blattenberg on May 14th 2025
Glow plugs. Things that are often forgotten until running or starting issues arise. Hard cold starts, cold no starts, smoky when cold, rough running when cold, all are common concerns that could be as
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7.3L Powerstroke - Exhaust Back Pressure Sensor Diagnosis
Posted by Adam Blattenberg on Apr 23rd 2025
The 7.3L Powerstroke doesn’t have too many sensors compared to more modern era diesel’s, but the ones it does have all play important roles. This week, we’ll be diving into the Exhau
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Injector O-Rings and Cups: Failure Symptoms and Causes - 6.0L and 7.3L Powerstroke
Posted by Adam Blattenberg on Apr 16th 2025
7.3 and 6.0 Powerstrokes use an injector cup that is pressed into the heads, plus a series of O-rings on the injectors to keep coolant, oil, and fuel, plus combustion gases, in the areas they’re
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The Deadhead System - What it is and how to fix it - 6.0L and 7.3L Powerstrokes
Posted by Adam Blattenberg on Apr 9th 2025
For 7.3’s and 6.0’s alike, the fuel system could benefit from an upgrade. One that removes the deadhead issue that plagues each engine. The fix will increase injector life, increase throt
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