pull off air intake duct and clean with carb spray and open throttle plate and scrub inside as far as you can and get all the crap out of there.
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.
Use throttle body carbon cleaner, you can find it in any auto part store.
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
To fix the throttle body in a Skoda Fabia, first, disconnect the battery and remove any components obstructing access to the throttle body. Clean the throttle body with an appropriate cleaner to remove carbon buildup, and inspect it for any signs of damage or wear. If necessary, replace the throttle body by unscrewing it from the intake manifold, reconnecting the electrical connectors, and reassembling any removed parts. Finally, reconnect the battery and perform an idle relearn procedure if required.
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.