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Update:
Replaced most vacuum hoses as some appeared OEM. I tested both the EGR and control box devices per HELMS to no avail, they seem to be doing their job fine & I cleaned the main thermostat ground just to be safe. It must be noted that if I unplug the TPS & drive every problem goes away, minus the code & very high idle. If I knew my MPG wouldn't suffer I'd unplug it & never look back, THAT'S how annoying & persistent this problem has been. Any ideas? I may remove the intake manifold and deep clean the EGR ports but I'd rather have a focus & not just randomly try/buy solutions that don't work & piss me off in the process. Thanks, Mak
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