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Cure for Overboost Condition?

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Old Jul 7, 2008 | 06:01 AM
  #1  
fxallen's Avatar
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From: Ontario, Canada
Cure for Overboost Condition?

Hi Group!

My 99 CTD with automatic is spitting out an overboost code
P0234 on the DRBII port. Noticed it is boosting to over 20PSI and I think
the waste gate should be limiting it to 16PSI.

Can someone tell me how to correct this situation please?

TIA

Fred
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Old Jul 7, 2008 | 06:52 AM
  #2  
2002-5.9's Avatar
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From: Baxter County, Ar
Sounds like your waste gate is stuck closed or you have a leaky or restricted hose to the boost canister on the turbo. Could be a leaky canister too. Of course you could add a boost fooler and run with 20psi.
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