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wastegate sticking open?
1st post/question. been reading up on here for quite a few weeks but ive ran across a question and im not sure if its normal or not.
i have a 2000 2wd limited im using for towing a 27 foot toyhauler that is roughly 7k pounds. when shifting, the wastegate sounds like it stays open long after it should. i have to get off the gas to get it to close. as soon as it quietens down everything is back to normal. with the whistle of the turbo, etc.
i owned a 99 f350 dually years ago and it never sounded like this. is this normal or do i need to check/replace the wastegate? if its not normal, how would you test it to see if its sticking open?
under normal everyday driving the truck sounds fine, but im not mashing it to the floor allowing it to really spool up like i do when towing.