× 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

P0120 Diagnostic Trouble Code Discussion for April 2011

Throttle Position Sensor Circuit Malfunction

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 P0120
Help Request Posted
2000 Toyota Tacoma SR5 3.4L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, MIL Lamp on VIN: 41AWN72N0Y
P0120: TP Sensor or Switch 'A' Circuit Malfunction. customer concern was lack of power and hesitates,i could not road test it would barely run,it would back fire through the throttle body, checked cam and crank timing all marks are in time.checked for external vacuum leaks with propane no leaks found.truck ran ...
April 08, 2011
1997 Nissan Pickup SE 2.4L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on
P0120: Throttle Position Sensor Circuit Malfunction. ... pickup here that has some "since you" complaints. This truck went to another shop to have a coolant leak fixed (welded some kind of pipe) and replaced water pump, customer says that they didnt make it down the road before it started bucking and mis...
April 30, 2011