How to Solve Detroit EPA07 GHG14 Engine Excessive Blue Smoke

This instruction show you guide on how to solve excessive black or grey smoke for Detroit EPA07 GHG14 engine .

Preparations:

2024 Detroit Diesel Diagnostic Link DDDL 8.19 8.09 Free Download

JPRO DLA+ 2.0 Adapter

NEXIQ USB Link 2 Adapter

 

Procedures:

Check as follows:

Note:Always check the Aftertreatment Device for internal damage when experiencing exhaust smoke.The Aftertreatment Device could be a secondary failure.

1 Perform a crankcase pressure test.

1a Is excessive crankcase pressure is found, Go to step 2.

1b Is excessive crankcase pressure is not found, Go to step 3.

 

2 Perform the relative compression test with DDDL 7.X or higher. Refer to section

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