What is the EGR code on a Jeep Wrangler?
There are three main parts of the Wrangler’s EGR system. They are the EGR Valve, Differential Pressure Sensor, and the Actuator Solenoid. P0401 is a general code, which means that regardless of the year (1996+ anyway) and the model, it’ll have the same meaning regardless of which manufacturer built the vehicle (Jeep Wrangler or not).
What to do about p0401 in Jeep Wrangler?
Here are some of the most common fixes to help clear the P0401: 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 afJeepable. If it’s cracked, you’ll need to get a new one.
What causes a blocked EGR on an Acura MDX?
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. This is especially true if you are experiencing P0401 right after doing some engine work. Check the tube and see if it is cracked, clogged or otherwise damaged.
How to test the EGR valve on a Jeep Wrangler?
Test the EGR Valve- A vacuum gauge will help you determine if the EGR valve itself has gone bad. Here’s an article from Autozone on how to test it with a vacuum gauge. Testing your EGR system is relatively easy to do. The most challenging aspect is the DPFE sensor.
Here are some of the most common fixes to help clear the P0401: 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 afJeepable. If it’s cracked, you’ll need to get a new one.
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. This is especially true if you are experiencing P0401 right after doing some engine work. Check the tube and see if it is cracked, clogged or otherwise damaged.