Question about 2005 Dodge Caravan

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P0406 dodge caravan 2005 - 2005 Dodge Caravan

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P0406 Exhaust Gas Recirculation Sensor A Circuit High
that is the EGR sensor,it may be bad.

Posted on Sep 09, 2009

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Posted on Jan 02, 2017

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ZJLimited
  • 17970 Answers

SOURCE: what does the check engine

P0406 - Exhaust Gas Recirculation Sensor A Circuit High
An improper voltage signal is sent to ECM through the valve

Early Models : The EGR valve control the amount of exhaust gas routed to the intake manifold. Vacuum is applied to the EGR valve in response to the throttle opening. The vacuum control the movement of the taper valve connected to the vacuum diaphragm in the EGR valve.

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Late Models : The EGR volume control valve uses a step motor to control the flow rate of EGR from exhaust manifold. This motor has four winding phases. It operates according to the output pulse signal of the ECM. Two windings are turned ON and OFF in sequence. Each time an ON pulse is issued, the valve opens or closes, changing the flow rate. When no change in the flow rate is needed, the ECM does not issue the pulse signal. A certain voltage signal is issued so that the valve remains at that particular opening.

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Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Engine hesitation

Possible causes
- Harness or connectors (EGR volume control valve circuit is open or shorted.)
- EGR volume control solenoid valve
- EGR temperature sensor and circuit

Possible solution
- Repair EGR harness or connector
- Replaced EGR volume control solenoid valve
- Replaced EGR volume control valve


Hope helps (remember to rate and comment this answer).

Posted on Mar 31, 2011

  • 1149 Answers

SOURCE: engine code p0406 dodge caravan

Hi:
The P0406 code is set normally when there is a open circuit inside the erg valve sensor. this code is not normally related to a valve sticking open- this could cause a low speed or coast down stall.
I would take a screw driver and push the red locking clip sideways to release the lock and take the connector off and look for loose or pushed out wire terminals. reconnect the wiring and tap on the side of the egr valve several times .
You can disconnect the battery to clear the fault and test drive the van. If the problem does not come back after driving for 10 miles or so its intermittent . And not active at this time .
This code may not come back on until your trip is done. This fault will not cause the van to die in flight.
You can drive it like this if needed. The worst that can happen is excessive spark knock-pinging on acceleration . If it does, back off some on the gas pedal.

Posted on Apr 20, 2010

66 chrgr
  • 1011 Answers

SOURCE: emmisions failure with code P0406

you need to replace the egr solenoid to fix this problem any shop can do this .

Posted on Apr 16, 2009

  • 14036 Answers

SOURCE: 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 .

Posted on Jul 04, 2009

Molson02536
  • 3854 Answers

SOURCE: code p0406 dodge grand caravan 3.8 engine. Is it

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.

Posted on Jul 06, 2009

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I have a 2005 Dodge Caravan, it had the P0404 and P0406 come up on the test and wanted to know what the problem was on and what i needed to fix????


p0404
Exhaust gas recirculation-range or performance problem
p0406
Exhaust recirculation valve postion sensor A-circuit high

Aug 30, 2010 | 2005 Dodge Caravan

1 Answer

2005 Dodge caravan 3.2 code 406? is this an


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.

Jun 06, 2010 | 2007 Dodge Ram Truck

1 Answer

P0406 code is shown


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,6cfb4c1.jpg

Feb 19, 2010 | 2005 Dodge Magnum

1 Answer

05 Dodge caravan P0406 code


It is most likely that your egr needs to be replaced

Jan 10, 2010 | 2005 Dodge Durango

1 Answer

Egr engine fault p0406 engine light on


egr flow sensor A curcuit high input---p0406. replace exhaust gas recirculation valve.--EGR-- or clean out carbon from engine side. if this does not work by cleaning, replace egr valve. also check all wire connections.

Oct 12, 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

Emmisions failure with code P0406


you need to replace the egr solenoid to fix this problem any shop can do this .

Apr 16, 2009 | 2005 Dodge Caravan

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