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P0234 Diagnostic Trouble Code Discussion for March 2009

Turbocharger Engine Overboost


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Trouble Ticket Help Requests for DTC P0234
Help Request Posted
2006 Chevrolet Silverado 2500 HD LT 6.6L Hesitation, MIL Lamp on VIN: 1GCHK23D26
P0234: Turbocharger Engine Overboost. I keep coming up with a p0108, but everything checks out. what am I missing? There doesn't seem to be any holes in the intake; the EGR tests good; changing the MAP sensor out made no difference; I cleaned the MAF with no change. please help. I've got 5 hours...
March 14, 2009
2003 Chevrolet Silverado 3500 6.6L MIL Lamp on, VIN: 1GCJK33143
P0234: Engine Overboost. At Idle only intermitant it puffs grayish white smoke, temp is good, coolant hasn't dropped. has good power good gas milage, and not using oil. Had a code po234 boost sensor for turbo. Air filter at one time was sandy on outside only. Any Help would be appreic...
March 16, 2009
2006 Chevrolet Silverado 2500 HD LT 6.6L Hesitation, MIL Lamp on VIN: 1GCHK23D26
P0234: Turbocharger Engine Overboost. I keep coming up with a p0108, but everything checks out. what am I missing? There doesn't seem to be any holes in the intake; the EGR tests good; changing the MAP sensor out made no difference; I cleaned the MAF with no change. please help. I've got 5 hours...
March 17, 2009
2006 Chevrolet Silverado 2500 HD LT 6.6L Hesitation, MIL Lamp on VIN: 1GCHK23D26
P0234: Turbocharger Engine Overboost. I keep coming up with a p0108, but everything checks out. what am I missing? There doesn't seem to be any holes in the intake; the EGR tests good; changing the MAP sensor out made no difference; I cleaned the MAF with no change. please help. I've got 5 hours...
March 14, 2009
2003 Chevrolet Silverado 3500 6.6L MIL Lamp on, VIN: 1GCJK33143
P0234: Engine Overboost. At Idle only intermitant it puffs grayish white smoke, temp is good, coolant hasn't dropped. has good power good gas milage, and not using oil. Had a code po234 boost sensor for turbo. Air filter at one time was sandy on outside only. Any Help would be appreic...
March 16, 2009
2006 Chevrolet Silverado 2500 HD LT 6.6L Hesitation, MIL Lamp on VIN: 1GCHK23D26
P0234: Turbocharger Engine Overboost. I keep coming up with a p0108, but everything checks out. what am I missing? There doesn't seem to be any holes in the intake; the EGR tests good; changing the MAP sensor out made no difference; I cleaned the MAF with no change. please help. I've got 5 hours...
March 17, 2009