5.9 Liter CR Dodge Cummins 03-07 Discussion of 5.9 Liter Dodge Cummins Diesels with Common Rail Injection

I need some help with my cummins, throwing codes P0236/P0237/P0238 and same in PD

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Old 08-26-2009, 07:00 PM
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Default I need some help with my cummins, throwing codes P0236/P0237/P0238 and same in PD

On my way home from work, stopped to wash my truck off. When leaving the car wash I went to go and there was limited power. The truck showed 1800 EGT and defueled. So I eased up and the temp came down a bit and the power came back, but only momentairily. Even at idle the truck wanted to be over 1800F so I shut it off.

I took out my edge ez module and put a new clean air filter on, but the codes are still there, even when I clear them with my mac scanner, they keep coming back. I get a P0236, P0237, P0238, and P0236PD, P0237PD, and P0238PD

Just so everyone knows, Its a 05 dodge 5.9 auto and I have a AFE stage 2 intake, 4 inch turbo back diamond eye exhaust, Edge Ez, Bully dog outlook monitor. Everything else is stock. I use this truck for daily driving and towing.

If anyone has any info I would be much appreciated

Thanks!!!!
 
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Old 08-26-2009, 07:02 PM
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Lemme look er up. Be a minute.
 
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Old 08-26-2009, 07:04 PM
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P0236-MAP SENSOR TOO HIGH TOO LONG
P0237-MAP SENSOR VOLTAGE TOO LOW
P0238-MAP SENSOR VOLTAGE TOO HIGH

Try and dry the connection out.
 
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Old 08-26-2009, 08:10 PM
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Will try that out and see what happens. Thanks Wild bill
 
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Old 08-26-2009, 08:15 PM
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No problem!!
 
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Old 08-26-2009, 11:23 PM
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Took the map sensor plug off and found it to be corroded, gave it a spray and some dielectic grease and it seems to have smartened up. It wierd becasue on the weekend my truck sat for 4 days while out camping, I got the same codes, but was able to clear them and away i went.
 
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Old 08-26-2009, 11:25 PM
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The little extra humidity must've done it in.
 




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