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Old 10-19-2011, 10:52 AM
Dieselfever's Avatar
Dieselfever Dieselfever is offline
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Join Date: May 2011
Location: Beaverlick, KY
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Default P1209?

I came across a code in a truck that is having an intermittent loss of power. The code is P1209 - injector control pressure peak delta test fault, I have not seen this code before ad was wonder if there was some insight on it

Also had P1211 for ICP above/below desired, but ran fine and ICP and IPR duty cycle were fine when I drove it


1997 F350: Regular cab XLT, 7.3L PSD, S5-47, 4x4 - Work in Progress
2002 Excursion: Limited, 7.3 PSD, 4R100, 4x4 - Some stuff
2010 GOLF: 2 door, 2.0L TDi, 6 speed - Still stock

Old 10-19-2011, 08:01 PM
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JLDickmon JLDickmon is offline
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Location: 49048
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the P1209 would make me start looking at the ICP sensor on the left head.. a lot of times they like to leak into the wiring pigtail.. other times they get a layer of glop built up over the end of it..

could have a bearing on the 1211 code, but a lot of times you see that one if you're running hot tunes on a factory HPOP, and the HPOP simply runs out of oil..
'99 7.3

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