Question about 2005 Dodge Caravan
IT WILL NOT TURN OFF
2005 dodge caravan po404 and po405 , changed egr valve an had only po405. now listen heres the punch line disconnect the battery and touch the cables together to drain the capacitors for 30 secs.reconnect an BAM po405 is gone if it dont work ill give you your money back.
Posted on Jan 24, 2009
P0405 Exhaust Gas Recirculation (EGR) Position Sensor Circuit Low Voltage
There may be no symptoms of a P0404 DTC other than the MIL (malfunction indicator lamp) or check engine light. However, Exhaust Gas Recirculation systems are inherently problematic due to carbon buildup in the intake manifold, etc. This normal buildup can lodge in an EGR valve, holding it open when it should be closed. If this is the case, the engine may idle rough, or not at all. If the valve has failed and is NOT opening, then symptoms would be higher combustion temps and as a result, higher Nox emissions. But the latter symptoms aren't going to be noticeable to a driver.
Posted on May 20, 2013
The pcm will turn light off within a few days after egr valve replacement if the egr valve was the reason for the po405 code being set. Give it a few days and see. i f not then there may be a problem with carbon buildup under the egr valve in the cylinder head
Posted on May 31, 2009
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Posted on Jan 02, 2017
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