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Old 04-21-2013, 09:54 AM
jd2002wtf jd2002wtf is offline
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Default engine code help

Hi all,2002 4.7 ram
recently had to rebuild my motor and now its throwing codes,any advice welcome

P0551,power steering pressure sensor circuit range performance?
The power steering sounds like its low on fluid(moaning on turning)
Its full.

P0445,evap emission cont sys purge control valve circuit shorted?
Any advice welcome.

No clue
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Old 04-21-2013, 05:12 PM
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SuperiorStyles SuperiorStyles is offline
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Both of those parts need to be replaced. There's no but or explanation really. The P1683 its an internal PCM failure so what you wanna do before you replace anything is Disconnect your battery positive and negative wait then minutes and with everything disconnect turn your key to the on position for about a minute then back off and reconnect the battery and take a ride for at least 20 mins to let the pcm relearn and see if the problem continues with the pcm. If the problem continue start looking into getting a new pcm or used depending on your budget. hope it helps
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