1998 GMC C2500 Sierra SL 6.5L MIL Lamp on
Hello Techs, Intermittent DTC P1191 (Intake Air Duct Leak), P0101 (MAF Sensor Performance), P0400 (EGR System Performance) stored in PCM memory. Inspected intake air ducting, no problem detected. We have resealed upper and lower intake manifold gaskets along w...
FIX posted 7/30/2006
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Message Closed w/FIX
Vehicle Data1998 GMC C2500 Sierra SL
Trouble Codes
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Message Closed w/FIX
Vehicle Data
1998 GMC C2500 Sierra SL
VIN | 1GTFC24S4W |
Engine | 6.5 L / 8 cyl / DIESEL |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
DTC | |
P0101 | Mass Airflow Sensor Range/Performance |
P0400 | Exhaust Gas Recirculation System Flow Malfunction |
P1191 | Intake Air Temperature Sensor Rationality / Performance |