merced throttle body s420
take it all apart and unclog it make shure you remember where it all goes or you are SCREWED
Clean the throttle body
You will need to remove the throttle body and replace the throttle body gasket. The throttle body gasket can be purchased at most auto-parts stores.
Clean the throttle body with a spray throttle body cleaner.
Butterfly in the throttle body needs cleaning.
PO506 is Idle Air Control (IAC) system idle lower than expected. Can be cause by: Vacuum leak Clogged Air filter or clogged Catalytic Converter Faulty PCV valve Dirty throttle body Internal Engine Problem In rare cases a failed PCM
Use throttle body carbon cleaner, you can find it in any auto part store.
Chances are the throttle cable from the pedal to the throttle body needs replacing.
to fix that problem with it cutting out let it warm up a little bit before like 30 40 seconds or so and then barrely pull in on the throttle and then just give it more throttle steadly and after that it should be ok
tHESE TRUCKS ARE FAMOUS FOR THE FUEL PUMPS QUITTING. hAVE IT CHECKED OUT.
Spray the throttle body (carb) with cleaner, not carb cleaner. You should use throttle body cleaner because there is a coating on the throttle body that will be removed if you use carb cleaner and that coating that comes from the factory should not be removed.