turbo underboost - Ford Powerstroke Diesel Forum
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post #1 of 1 Old 10-04-2013, 02:13 PM Thread Starter
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Unhappy turbo underboost

i have a 6.0 05 powerstroke. i put a bullydog tuner in it and it detected a code. it said the turbo was underboosted. ive had the truck for 5 weeks now and noticed it maxed out at 10 psi for boost. my buddies 06 powerstoke hit 20 psi no problem. took it to the garage where i bought it from and they said it had an air leak and they fixed the problem. but it didnt fix it. what do you think it could be? i think it could be the wastegate actuator5 sticking. any suggestions or anybody else encountered this?
normaspleen is offline  
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