What causes the p0401 code on a Honda Odyssey?
Diagnosing what is causing the P0401 code in the Odyssey is typically not very tricky. Here are the most common causes: Blocked EGR Tube – The tube that carries the exhaust gases back to the motor may clog up over time. Alternatively, it can become bent or kinked.
What to do if your Honda Accord p0401 has insufficient flow?
Check the EGR Tube- It’s a good idea to check the tube going to the EGR because it’s often the cause of P0401, easy to do, fast, and replacing it is very afHondaable. If it’s cracked, you’ll need to get a new one. If it’s clogged you can get away with cleaning it and replacing it.
Is there a tech bulletin for the Honda Odyssey?
It seems there was a tech bulletin which was issued by Honda about it for the 98-01 Accord and 99-02 Odyssey. I found a pretty write-up of how to get it really cleaned up, as getting it into a good state is quite a bit of a job.
Diagnosing what is causing the P0401 code in the Odyssey is typically not very tricky. Here are the most common causes: Blocked EGR Tube – The tube that carries the exhaust gases back to the motor may clog up over time. Alternatively, it can become bent or kinked.
Why does my Honda Odyssey have insufficient flow?
In some 1999–2003 Honda Odysseys and 2003 Honda Pilots, the EGR system may become contaminated or clogged. If this happens, the vehicle may hesitate or surge during light acceleration, and the MIL (malfunction indicator lamp) may come on with DTC P0401 (EGR insufficient flow) or P1491 (EGR valve insufficient lift).
Check the EGR Tube- It’s a good idea to check the tube going to the EGR because it’s often the cause of P0401, easy to do, fast, and replacing it is very afHondaable. If it’s cracked, you’ll need to get a new one. If it’s clogged you can get away with cleaning it and replacing it.
What is the EGR system on a Honda Odyssey?
The EGR system on a vehicle is responsible for recirculating exhaust gasses in order to lower the vehicles emissions output. There are three main parts of the Odyssey’s EGR system. They are the EGR Valve, Differential Pressure Sensor, and the Actuator Solenoid.
In some 1999–2003 Honda Odysseys and 2003 Honda Pilots, the EGR system may become contaminated or clogged. If this happens, the vehicle may hesitate or surge during light acceleration, and the MIL (malfunction indicator lamp) may come on with DTC P0401 (EGR insufficient flow) or P1491 (EGR valve insufficient lift).
What does Carbon Code p0401 mean on EGR?
EGR temperature sensor is covered with carbon Code P0401 Severity – Moderate Code P0401 can cause can cause excessive internal engine ignition and pre-ignition damage to the pistons and valves. Code P0401 Common Diagnosis Mistakes