P0121 Code: Causes, Symptoms, and Easy DIY Fixes | How to fix p0121 Code |

P0121 Code: Causes, Symptoms, and Easy DIY Fixes | How to fix p0121 Code. Your car&engine control module (ECM) has detected a problem with the throttle position sensor (TPS) circuit. This is known as a P0121 code. Symptoms of a P0121 code: Check engine light Rough idle Stalling Reduced engine power Poor fuel economy Causes of a P0121 code: Faulty TPS Dirty throttle body Damaged TPS wiring Corroded TPS connector pins Easy DIY fixes for a P0121 code: Clean the throttle body Replace the TPS Repair damaged TPS wiring Clean corroded TPS connector pins If you¬ comfortable fixing a P0121 code yourself, take your car to a qualified mechanic. Additional tips: Be sure to disconnect the negative battery terminal before working on the TPS. Use a torque wrench to tighten the TPS bolts to the correct specifications. Clear the ECM codes after you&done the repair. Watch this video to learn more about P0121 codes and how to fix them yourself. **************************************************** Click the link below for a limited-time discount!⬇️ ✅👉Best OBD2 Scanner: ✅✅✅ (Amazon)✅✅✅ Noted: "As an Amazon Associate I earn from qualifying purchases." !!!Please don&forget to "LIKE" the video & "SUBSCRIBE" to the channel!!! =========================================================== That&a way for you to support this YouTube channel, so thank YOU for using those link: Check this Link below: TOPDON AD500S Review- !!!Please don&forget to "LIKE" the video & "SUBSCRIBE" to...