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Home >> GMC >> 1992 >> Magnavan 7.4 N >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/O Codes >> Symptoms (Diesel) >> Low Engine Power >> Correction

Low Engine Power: Correction

Remove restrictions.



Remove restriction and/or replace filter.



Adjust linkage.



Check fuel return system.



Check fuel delivery system.



Remove and replace fuel.



Replace filter.



Check fittings, and replace as required.



Remove restriction and/or replace nozzle.