Chevy/GMC 6.2L and 6.5L Discussion of Chevy and GMC Trucks with 6.2L and 6.5L Diesel Engines

DTC P0236

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Old Feb 6, 2011 | 10:18 PM
  #1  
Ncchevyguy's Avatar
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Default DTC P0236

Well I finally got my stalling issues solved..... new relocated pmd, OP sensor, new fuel lines, ect.... Got it all buttoned up and truck started up beautiful. Ran great took it down the road, and the check engine light popped on. Pulled the code and got PO236. Turbo/super boost sensor a ckt range. Checlked around under the hood, and dont see any broke vaccum lines, and every thing is hooked back up... Any ideas where to start on this issue....
Thanks in advance for all of the help
 
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Old Feb 7, 2011 | 07:52 AM
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From: Reddick,Fl.
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try tapping on wastegate solenoid on driver valve cover and spay some wd40 in it also recheck vacuum hard lines they do crack and you just don't see it if was me take them off trow away put rubber vacuum lines
 
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Old Feb 7, 2011 | 04:15 PM
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well i went and bought a vac gauge. Checked at the turbo with the engine idling.... didnt move off of 0...... Went and checked the sol on both sides... still nothing. Sol seems to be working, as i took it off and sprayed wd-40 in it and when it was back together i can here it clicking... continued following the vac hose down to the the side of the engine... Looks like a barbed fitting. Checked here as welll... Nada Time for a new vac pump????...
Thanks in advace
 
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Old Feb 7, 2011 | 04:22 PM
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i do way with vacuum pump and go with Heath turbo master then all need id 99.5 belt
 
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Old Feb 7, 2011 | 04:35 PM
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Yea.. I was looking at that... but will i need to change the ecm?
 
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Old Feb 7, 2011 | 04:38 PM
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no do not have to all you do is leave the wastegate sol on and plug in
 
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Old Feb 7, 2011 | 04:43 PM
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Thanks crazy for all of your help... Your the man
 
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Old Feb 7, 2011 | 04:54 PM
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you can make own TM it lot cheaper

Make Your Own Mechanical Wastegate Controller

i just made one it only cost me 0.39 cent with taxs all needed to get was the spring and went to Ace and got #49 spring and didn't add any thread to J hook i just shorting it to fit and drill little hold for washer and cotter pin so won't fall out turbo arm
 
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