Carbon is clogging the egr port.
Trouble code P0401 means:Exhaust gas recirculation flow insufficient detected
Trouble code P0401 means:Exhaust gas recirculation flow insufficient detected
An EGR valve can be cleaned. Remove the EGR valve, then flush it with carburetor cleaner. Allow the unit to dry then reinstall.
There is no mass air flow sensor on a 98 accord only a map sensor
The mass air flow sensor tell the ECU what the proper air fuel mixture is needed. It is located behind the air intake manifold on a 1997 Honda Accord.
my Honda passport is having a problem.troubleshooting of p0401.the gas recirculation(egr)flow insufficient aadetected.
Probably a clog in the EGR
The oxygen sensor on a 2004 Honda Accord is found on the exhaust system. They are placed close to the catalytic converter so the sensors can properly read the exhaust flow.
Right ontop of the starer. you can remove and clean but you probably are going to have to remove intake manifold and clean all the carbon. check engine on my 2000 Honda accord v6 came on. codes read not enough air flow, change egr valve. removed and it really wasnt dirty. Honda tech adviced to clean intake manifold. problem fixed.
Trouble code P0401 means:Exhaust gas recirculation flow insufficient detected
2000 honda foreman 450s charging wiring diagram and charging system flow chart
There are several things that can cause your 1992 Honda Accord to start and then die out. The most common cause is an inconsistent flow of fuel. This can be caused by a dirty fuel filter.