HOWTO TELL WHICH TPMS SENSOR IS BAD demonstrated on FORDIf you have Ford and you have TPMS light / tire pressure light on your Ford because of a bad sensor Whenthe TPS goes bad, the throttle body may not open and the engine will not be able to run without air. It may cause erratic idling, stalling, and sudden surges of acceleration. The car may not start when the TPS is faulty. You should see a check engine warning light on your dashboard telling you that there is a problem that needs to be Hereare the steps onhow to test TPS sensor. Find the throttle body. It will be the housing attached to the engine block. It will have the fuel line running from it. You will see a device connected to the throttle body that has wires running to the ECU. This is the throttle position sensor. O octoparrot Discussion starter · #5 · Dec 11, 2007. damn! I just bought a new one for 300ish!!! But, i might take you up on it if anyone can confirm that the TGV sensor and Throttle position sensor is the same. Also, whats the exact installation procedure for installing the insert it onto the flange so the contacts are facing .

how do you know when your tps sensor is bad