☰
AutoCodes.com | All About OBDII Engine Codes
Find a Shop |  Ask Auto Expert
Ask a Question

1999 Chevrolet Silverado 5.3L with engine code P0121

0 like 0 dislike
1.1k views
by

1999 Chevrolet Silverado 5.3L with engine code P0121 switch no A, where is this?

Vehicle: 1999 Chevrolet Silverado 5.3L

1 Answer

0 like 0 dislike
by (8.9k points)

P0121 Chevrolet code is for the Throttle Position (TP) Sensor. The TP is attached to the throttle body.

 

1999 Chevrolet Silverado Thrpottle Position Sensor P0121

 

P0121 Chevrolet - Throttle Position Sensor 1 Performance

Read more: https://www.autocodes.com/p0121_chevrolet.html

Related questions

2 like 0 dislike
1 answer 289 views
P0121 and p2135 when 2007 Chevrolet Silverado truck gets wet
asked Dec 26, 2022 by Caleb (101 points)
1 like 0 dislike
2 answers 844 views
On my 2007 Chevrolet Suburban 5.3L I have the code P0121 and P0300
asked Nov 18, 2017 by
1 like 0 dislike
2 answers 2.4k views
2000 Chevrolet Silverado 5.3L with engine code P0300
asked Jul 22, 2018 by

33.7k questions

32.5k answers

1.3k comments

23.0k users

Need A Repair Shop?
Find local automotive repair shops in your area.
⚠ Check if your car have Safety Recalls

Related Information

- Car TSB
- Car Recalls
- Car Common Problems
- Car Safety Rating
- Car Technical Articles
- OBDII FAQ
- OBDII Components
- 2024 Cars MPG

All OBDII Codes

- Top 25 Codes
- Latest Codes
- All OBDII Codes
- Powertrain (P) Codes
- Network (U) Codes
- Body (B) Codes
- Chassis (C) Codes
Powered by Question2Answer
...