× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

P0121 Diagnostic Trouble Code Discussion for June 2011

Throttle Position Sensor Does Not Agree With MAP

Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0121
Help Request Posted
2004 Kia Rio 1.6L MIL Lamp on VIN: KNADC12524
P0121: Throttle Position Sensor/Switch 'A' Circuit Range/Performance. ... p0171,p0121,and p1166. This car previously had the throttle screw trampered with as well as a vacuum leak (purge hose left off) I cant find a vacuum leak,the pcv hoses are installed correctly,it has a new MAF sensor,fuel pres was checked at idle last time ...
June 24, 2011