...Code PO401 PO-401 EGR Flow Insufficient Detected Exhaust gas recirculation flow insufficient. This has to do with the exhaust gas passing through the EGR valve. There could be a leak in the exhaust ...
...401 i have changed egr valve and bothb 02 sensors and still get same codes less the 02 code plugs and wires are good still runs sluggest what do i try next? You don't try anything The Codes you get ...
...code was 401 which referred to the EGR. The truck has an electric ERG valve and when we took off the tube to the ERG it was reacting fine, it hit hard. We sprayed it with Carb/Choke cleaner to make ...
Question about 2002 S-10
...things...any suggestions? According to my code list 401 is for a problem with the EGR valve. There is a sensor that measures flow and it is telling the computer the EGR is not working
code p401 for chevy impala Code 401 is for a problem with the EGR valve air flow. It could be the EGR valve or the sensor.
Question about 2007 Impala LS Sedan New Cars
...Code 401 is for a problem with the EGR valve. Code 449 is for a problem with the vent valve solenoid for the gas tank venting system or EVAP. You would need a shop manual to get the test procedures ...
Usually answered in minutes!
4,236 Questions
3,219 Questions
2,541 Questions
2,307 Questions
2,177 Questions
