Question about 2006 Dodge Caravan

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Code p0406 says that the reading is high at EGR sensor #1. Is it the EGR valve or could it be the sensor? Or is the EGR valve and sensor #1 the same?

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They are usually one in the same if it has three or more wires going to it.

Posted on Feb 06, 2010

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What does obd2 code p0406


The code P0406 is for Exhaust Gas Recirculation Sensor 'A' Circuit High. The possible causes are EGR Valve clogged, dirty or leaky, EGR valve damaged/defective, EGR sensor ground circuit open, EGR sensor signal circuit open, EGR volume control solenoid valve harness is open or shorted, EGR volume control solenoid valve circuit poor electrical connection. An improper voltage signal is sent to ECM through the valve. You will have the symptoms of engine light on and engine hesitation.

Jul 02, 2013 | Cars & Trucks

1 Answer

2005 magnum p0406 egr valve sensor code error


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.

Aug 20, 2012 | 2005 Dodge Magnum

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Dodge 2004 grand caravan check engin light code p0406


Replace the EGR valve. Very common code.

Jun 24, 2011 | 2004 Dodge Caravan

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I have these codes coming up on my 2005 Dodge Ram. 5.7 liter motor: P0406 P2096 P0137 P2299 Thank you.


code #0406 = egr position sensor circuit high ( stuck egr valve or bad egr sensor most likely sensor )

code #2096 = downstream fuel trim system lean ( see next code )

code #0137 = O2 sensor bank 1 sensor 2 circuit low ( replace rear O2 sensor driver side )

code #2299 = brake peddle position/accelerator pedal position incompatible. ( hav you been power braking this truck? ) ( brake light was on wile accelerator was being pushed )

Mar 17, 2011 | 2005 Dodge Ram

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I have a 2006 chrysler town and country and the code or P0406 came up and I would like to know how to fix it and what it means? Thankyou


P0406 is EGR position sensor circuit high input. You need to replace the EGR sensor, but it's part of the EGR valve assembly. About $80.00 for the part.

Dec 24, 2010 | Chrysler Town & Country Cars & Trucks

1 Answer

P0406 code for 1994 buick lesabre


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 lower bolt.

Hope helps (remember to rate and comment this).

Sep 19, 2010 | 1994 Buick LeSabre

1 Answer

What r codes p0406 and p1684 for a 2000 DODGE INTEPIED


P1684 Battery Disconnected Within Last 50 Starts
P0406 Exhaust Gas Recirculation Sensor A Circuit High

P0406 can mean the EGR sensor or valve is not functioning properly.

Jan 30, 2010 | 2000 Dodge Intrepid

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05 Dodge caravan P0406 code


It is most likely that your egr needs to be replaced

Jan 10, 2010 | 2005 Dodge Durango

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

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