Code 

Code P0121 Chevy Silverado

Code P0121 Chevy Silverado. Started the truck this morning and the code is now gone. It’s an obdii code and has to do with the throttle pedal position sensor. P050D Fix! P0174 Fix! P0175 Fix! P0300 Fix! 20142019 Silverado Sierra from www.youtube.com What causes a p0121 code? P0121 tp (throttle position ) sensor circuit check for any vacuum leaks, and proper mating of the tp sensor. Installing a new throttle body with tps sensor on a 2007 chevy silverado 1500 4.8l check engine light threw code p0121 and this install…

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P0121 Code Chevy Tahoe

P0121 Code Chevy Tahoe. The oil pressure sensor/switch sends a signal to the pcm when the engine is running. Although code p0121 is a generic code specified by the society of automotive engineers (sae), the code’s definition may be different depending on. P0121 Code Throttle/Pedal Position Sensor "A" Circuit Range from www.carparts.com I'm at a lose here. This week we were driving home and the battery light came on. Full throttle = 4.5 volts.

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