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Check Engine Light / Diagnostic Trouble Code (DTC)

Problems

Problem: Several things could be causing a check engine light or DTC in your 6.4 Powerstroke:

Causes: Common issues include injector or turbo issues caused by debris or stiction.

Solution: Clean engine from the inside with a treatment of Stiction Eliminator and one treatment of Diesel Extreme.

Details

If you have access to a tool, scan for codes described above. If you don’t have your own scan tool, take the truck to a mechanic.
Codes dealing with injector or turbo performance are often caused by debris clogging the injector’s spool valve or the turbo bearing. Use a treatment of Stiction Eliminator and one treatment of Diesel Extreme.

VIDEOS

Failing Injector STICTION ELIMINATOR Challenge
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