nelson84
Well-known member
- Joined
- Aug 28, 2006
- Messages
- 829
- Location
- Canada
- Corvette
- 84 Z51 two tone bronze coupe 85 black on black
I have a code 21 and the check engine light stays on. Do I just replace the throttle position sensor, because it is reading high? Or is it the coolent sensor telling the computer it is colder outside to make the throttle position sensor to give more fuel? Or do I need new injectors?