Well,if you know how to install the egr valve,i recommend doing it youself because the part is NOT covered under dealer warranty.i have an 05 300 limited and had this work done.the total cost will be between $480 - $600 dollars at the dealership.if you know a competent mechanic,take it there instead.the part cost around $200 dollars.
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P0406 Chrysler - Exhaust Gas Recirculation Position Sensor Circuit High
- Faulty EGR volume control solenoid valve
- Carbon built up on EGR valve
- EGR volume control solenoid valve harness is open or shorted
- EGR volume control solenoid valve circuit poor electrical connection
- Faulty EGR temperature sensor and circuit
Did you replace the EGR valve, or the volume control solenoid valve?
P0406 indicates high voltage on the EGR sensor circuit. this is recommended for every 30,000 miles be inspected. although EGR system do not requires periodic inspection. instead, check only if engine trouble's develop. most EGR's requires replacing EGR valve, cleaning passages and installing new vacuum hose. misrouted vacuum hose causes engine poor operation. so. not just to unplug it.
DTC P0406 Exhaust Gas Recirculation Sensor A Circuit High.
You in fact do, need to replace the EGR valve. P0406 is actually EGR
position sensor high code. Which means the PCM recieved a egr position
sensor signal greater than 4.89 volts. For some reason the the egr on
the 05 minivan had a high failure rate.
The best way to get at
the lower bolt after you remove the upper bolt and the two 8mm tube
screws, pry the valve rearward. This allows you to get a socket on the
Basically, it means that your engine is letting too much exhaust back into your system. Most likely, your EGR valve is going out. Read this post to get some better answers and see if any of the symptoms you are having match up. replacing the EGR valve in most cases cures the problem.
po406 is egr senor code, this is part of egr, dodge has a lot of problems with this valve, ive replaced about 20 of them on magnums and caravans, to solve this problem, replace the egr valve and reset the codes, the valves not to expensive, its about $60.00, heres a picture of it.hope this helps,
P406 is a EGR code, EGR will also cause a knocking/ pinging sound when there bad. Very common problem. The position sensor inside the valve goes bad. Your going to have to replace the whole EGR valve and it can put out variety of codes from P0401 to P0406. The new valve will solve the problem and easy to replace, you can pick one up at Auto Zone and they can give you the step by step instructions to replacing the EGR with common tools. Good luck and hope this helps.