Low exhaust airflow on your vehicle? P0492 means insufficient AIR system flow Bank 2 – it can harm emissions; scan, test, reprogram or replace the module.

Low air flow on your vehicle? P0491 = AIR System Insufficient Flow Bank 1 – can trigger emissions issues. Scan and reprogram the module immediately today.

Check engine light on your vehicle and reduced fuel economy? EGR A control circuit can cause emissions failure—scan, test the EGR, then repair or replace.

EGR A control circuit low lights the check engine on your vehicle—risking emissions failure. Scan P0489, test the EGR circuit, then repair or replace.

EGR throttle control out of range on your vehicle? It can cause emissions failures and performance loss. Scan the circuit, then reprogram or replace.

EGR throttle control circuit A open on your vehicle? It can set a check‑engine light and affect emissions. Scan, test the circuit and replace or reprogram.

Check engine light from an EGR Sensor B Circuit fault on your vehicle? It can raise emissions—scan, test the circuit, then repair or replace the sensor.

Fan stalls or runs on your vehicle? Faulty fan power/ground circuit can overheat the engine. Scan the circuit, test the fan module, repair or replace.

Fan runs high or fails, causing overheating in your vehicle—P0484 means fan circuit current high. Scan, test wiring, and repair or replace the module now.

Fan weak or not running? P0483 Fan Rationality Check flags a control fault that can cause overheating—scan, test and reprogram the fan module today.