Question about Dodge Caravan
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Posted on Jan 02, 2017
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
I will post these one at a time...
Basically this means that an oxygen sensor in bank 1 detected a lean condition (too much oxygen in the exhaust). On V6/V8/V10 engines, Bank 1 is the side of the engine that has cylinder #1.
Note: This DTC is very similar to P0174, and in fact your vehicle may show both codes at the same time.
You will more than likely not notice any drivability problems, although there may be symptoms such as a lack of power, detonation (spark knock), and/or a hesitation/surge on acceleration.
A code P0171 may mean that one or more of the following has happened:
Posted on Feb 26, 2009
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
SOURCE: engine code p0406 dodge caravan
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
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