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| Author | Topic: service engine soon lite on |
catfish               POA Site Supporter Prowler Junkie From:scottsdale,az,usa |
posted 07-26-2009 04:08 PM
    
code po404-egr position sensor signal does not correlate to egr duty cycle.anybody have exact fix.or know a mopar tech who might know.according to manual could be a number of things.thanks ------------------ |
Howard POA Site Supporter Prowler Junkie From:Valencia, CA, USA |
posted 07-26-2009 04:54 PM
http://autoforums.carjunky.com/Automotive_Repair_C1/Engine_Fault_Codes_F29/P0160_Solved,_P0404_Un-solved!_P48943/ |
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catfish POA Site Supporter Prowler Junkie From:scottsdale,az,usa |
posted 07-26-2009 05:20 PM
thanks howard,i'll inspect the wires and hose.if not bad,its got to be the valve or pcm,lets hope not pcm.will let you know.for now i erased code to turn off lite,i may wait a week or so to seeif and how long it takes to come back on.thanks ------------------ |
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catfish POA Site Supporter Prowler Junkie From:scottsdale,az,usa |
posted 07-26-2009 07:16 PM
problem found,at the rr. lower of plenum,is the steel egr tube,that connects to the valve.the wire for the valve,mine was laying on the pipe,the pipe gets extremely hot,cause it has exhaust running thru it.melted the wire,will repair it.pretty sure thats what caused the lite to come on.getting to the wire to repair it,is another story,may have to remove plenum for a permanent fix.upon further investigation,the burned wire is not for the egr,its for one of the sensors.ahead we go. ------------------ This message has been edited by catfish on 07-26-2009 at 08:46 PM |
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catfish POA Site Supporter Prowler Junkie From:scottsdale,az,usa |
posted 07-27-2009 10:33 AM
replacing the egr valve.cant get the bolts loose.off to the dealer. ------------------ |
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Howard POA Site Supporter Prowler Junkie From:Valencia, CA, USA |
posted 07-27-2009 06:02 PM
I heard PB Blaster is a good product to loosen bolts. http://www.acehardwaresuperstore.com/blaster-pb-penetrating-catalyst-p-6870.html?ref=42 |
broakie56 POA Site Supporter Prowler Junkie From:South Wales (Buffalo), NY, USA |
posted 07-27-2009 08:10 PM
Howard......you're definitely correct about PB Blaster....far better than WD40! |
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