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2005 Dodge caravan 3.2 code 406? is this an

2005 Dodge caravan 3.2 code 406? is this an oxygen sensor or an EGR? any path for replace instructions?

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This code is for the EGR valve, "P0406 Exhaust Gas Recirculation Sensor A Circuit High", this doesn't necesarily mean you need to change your EGR valve but it's probable. Check with your dealer this just might still be covered.

Posted on Jun 06, 2010

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Posted on Jan 02, 2017

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2010 Dodge Grand Caravan code po403 , po406?


PO403 is a bad egr circuit & 406 is a bad egr valve. 403 may be triggering 406. Make sure the wiring is in tact with good voltage & ground connectors first. repair 406, clear codes & you may have solved both probs. Poss bad egr valve too, good luck

Jul 02, 2017 | Dodge Cars & Trucks

1 Answer

Oxygen sensor, the powertrain control module controls the electrical circuit for the oxygen sensor heater. where do you find this and the relay


the heated oxygen sensor(HO2S) is located in the exhaust manifold/s before the cat converter/s
O2 sensors are located after the cat converters
the power train is the engine and transmission unit and the control for the sensors is the ECM
the major problem is the wires in the HO2S as they are fragile and break close to the sensor very easily

Jun 24, 2017 | 2005 Dodge Grand Caravan

1 Answer

EGR sensor replacement


EGR valves were a common failure item for the 05 Caravans. Ours died at 42k miles.

The sensor and valve are serviced as a unit. Expect to pay $150-200 to have it done, or you can DIY or less than $100.

Jul 06, 2010 | 2005 Dodge Caravan

1 Answer

I have code 406 what does it mean?


on youe veicle you have to follow procedures to check O2 sensors
voltage to high more than 3.7 volts
circuit shorted or O2 sensor is no good thats for code 138
code 171 contaminated O2 sensor
406 is your EGR system shorted open thats whats probably causing your O2 sensors to contaminated fix the EGR and clean passage way to intake

May 07, 2010 | 2004 Dodge Caravan

1 Answer

05 Dodge caravan P0406 code


It is most likely that your egr needs to be replaced

Jan 10, 2010 | 2005 Dodge Durango

3 Answers

Code p0406 dodge grand caravan 3.8 engine. Is it the EGR valve or the O2 sensor?


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.

Jul 06, 2009 | 2005 Dodge Caravan

1 Answer

2005 dodge grand caravan getting code p0406


3.3 engines has the egr valve with transducer.you have to replace the whole unit. code p0406 what its trying to tell you your egr valve circuit is short to ground.it has failed .

Jul 04, 2009 | 2005 Dodge Grand Caravan

1 Answer

2005 Dodge Caravan 3.3 V6


EGR position sensor circuit. Either you have a wiring issue or you need to replace EGR solenoid assembly. First check electrical connector at EGR solenoid for corrosion or broken wiring.

Jul 02, 2009 | 2005 Dodge Caravan

1 Answer

2005 Dodge Grand Caravan. Check engine light on displaying PO0406 any ideas? Code came up by cycling key on and off 3 times.


the PO406 code is the EGR position sensor.
I have heard tho that DMX corp had some issues with this code in the past where basically it was just tossing false codes. But they also did have a higher fail rate on them during 05-07, so you may have to replace it anyways.

Jun 28, 2009 | 2005 Dodge Grand Caravan

1 Answer

Error Code 406 EGR Positions Sensor


yes it is..you need to replace egr valve assembly..make sure you disconnect battery while replacing..some times fault will return even after replacing valve..

Mar 15, 2009 | 2005 Dodge Caravan

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