5.4 throttle body problem
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Lead Driver
Joined: Nov 2008
Posts: 8,449
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From: South Jersey
5.4 throttle body problem
been having a weird idle problem for a while with my SD, so after new OEM IAC valve, throttle position sensor, some hose to the iac that was all brittle and falling apart, and having mike give me new tunes with 750rpm that are very nice upgrade still have this problem. so i took off the intake boot and took off the black plastic cover for the throttle body i noticed that the set screw for the throttle plate had backed out all the way so that it doesnt hit the stop plate for the throttle plate? even though it has blue thread locker on the screw i can turn it by hand with no problem at all. i know this is suppose to hit the bracket to keep the throttle plate from closing 100%. I need to get pics to show exectly whats up and hopefully get info on what it should be set too.
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