SOURCE: 1999 volkswagen stalled
first check cylinder 1 , spark plug, ht leads, coil,
then clean the trottle body with carb cleaner
if that does not work replace the throttle body, comes complete, and do a basic setting on it with diagnostic machine
SOURCE: throttle Pedal Position Sensor Switch A
its just a sensor. you do not have to replace the entire throttle body.
SOURCE: 1999 Suburban, 5.7L loss of power then, it seems
Replace spark plug wires and plugs. Sometimes old wires will arc to the engine block, causing missfire. Check the wires at night with lights off and engine running, if they're bad, you'll defenitely see them arcing to the engine. if they are...replace.
SOURCE: on a 04 camry with 2.4 ltr engine, can I replace
I think the terms "Throttle Positon Sensor", TPS and "Throttle Body" can be misleading at least in regards to the 04 Camry.
My 04 Camry gave a diagnostic reading of P2121 for my problem "Throttle PEDAL position switch D circuit". However, we changed out the complete Throttle Body/TPS (Toyota Part #22030-0H020) that did NOT fix problem.
The 04 Camry TPS Electronic Module "Throttle Positon Sensor" is factory assembled and riveted to the side of the throttle body. The only way to service/inspect it would be to cut off or drill out the rivets. Not sure you could open the darn thing if you got it off, but that seems to be the only way Toyota sells them!!
Hopefully a new Throttle PEDAL Position Sensor (Toyota Part # 78010-33010 PEDAL ASSY, ACC)
will fix it. This is located under the dash near the accelerator pedal.
So, now I would recommend FIRST to replace the "Throttle PEDAL Positon Sensor" (it is much, much cheaper) and then the Throttle Body/TPS assembly!! Unless of course, you get a diagnostic code as you did for "faulty throttle body!!
SOURCE: Throttle/Pedal Position Sensor/Switch B Circuit Range Performance
there is no adjustment on these tps's it's a drive by wire system. If you don't know the vehicle, dont post!
there's 2 sensors contained in the pedal sensor, and one on the throttle plate shaft, more often than not, it's the pedal sensor, and if you replaced that, it's the other one or a loose connection. did you reset the computer after replacing the pedal?
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