FREIGHTLINER, MERCEDES-BENZ

LI14.30-N-075882

2024-10-10 · NHTSA 11009855

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Manufacturer summary

Original wording in English

Complaint Check engine warning light active. Fault code P300CA8 or P300CA9 "Hot film mass air flow sensor malfunction" present in engine control unit. Cause These faults can be set if: 1. A leakage upstream of the exhaust gas turbocharger causing a to high EGR rate. 2. Carbonized parts, e.g., the intake module, housing intermediate flange on high-pressure EGR valve (assembly of exhaust pressure sensor P3) or the intake ports also let through too little air. 3. The air filter has been highly soiled, incorrectly positioned or has a deformation.

Repeated filings are grouped only when make, bulletin number, publication date and complete summary agree. Original record numbers are retained. Older publications remain available, and an explicit later version is shown when established. Pre-1994 vehicle associations are separated from default results; an unspecified year does not mean all model years apply.