P0121: Throttle Position Sensor/Switch A Circuit Range Performance

Published: Dec. 6, 2019, 7:26 p.m.

b'This is another problem that arrived at the shop of our TechShop contributor, Olle Gladso and the car was a 2013 Volkswagen Jetta with a two-liter TDI engine. It had an intermittent problem. Sometimes it ran great, but sometimes it would idle high and when you would press on the accelerator, nothing would happen.'