No,Its has to do with the EGR valve
P0402 - EGR excessive flow detected
Trouble code P0402 means:Exhaust gas recirculation flow excessive detected
Trouble code P0402 means:Exhaust gas recirculation flow excessive detected
Trouble code P0402 means:Exhaust gas recirculation flow excessive detected
My Chilton repair manual shows code P0402 as EGR flow at idle fault and my Haynes repair manual shows code P0402 as EGR excessive flow detected
Trouble code P0402 means: Exhaust Gas Recirculation Flow Excessive Detected
Trouble code P0402 means:Exhaust gas recirculation flow excessive detected
Trouble code P0402 means: Exhaust Gas Recirculation Flow Excessive Detected
Trouble code P0402 means: Exhaust Gas Recirculation Flow Excessive Detected
Trouble code P0402 means: Exhaust Gas Recirculation Flow Excessive Detected Replace EGR valve
Trouble code P0402 means: Exhaust Gas Recirculation Flow Excessive Detected
The generic OBDII descriptions are EGR Flow insufficient and EGR Flow Excessive.