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Trouble codes but truck running ok

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Old 09-27-2011, 03:39 PM
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Angry Trouble codes but truck running ok

I have three codes on my truck, p0234, p0237, p1488. Truck runs fine with no problems or CEL. When I plug my quadzilla in the truck will throw the CEL and go into limp mode depending what setting its on. My truck is back to stock now, no quad and no turnbuckle on my waste gate anymore. Truck does hit 25 psi of boost if i step on the throttle hard. This has me confused since it's not throwing the CEL and not going to limp mode now that my truck is back to stock... I've had a boost sensor go bad once before but it would go into limp mode so i dunno? Any advice and help is appriciated.
Old 09-28-2011, 08:02 AM
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P0234 Engine Overboost Condition
P0237 Turbocharger Boost Sensor A Circuit Low
Can't help you on the 1488....

swordfish
Old 09-28-2011, 09:44 PM
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Originally Posted by swordfish
P0234 Engine Overboost Condition
P0237 Turbocharger Boost Sensor A Circuit Low
Can't help you on the 1488....

swordfish
Thanks, I knew what the code were for but I'm curious on what the problem is that is causing them. The 1488 code has to do the the 5v signal to the sensor being out of range.
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