2005 executive PO 120 error message

Asked by Jan 09, 2015 at 01:00 PM about the 2005 Toyota Corolla LE

Question type: Maintenance & Repair

2 Answers

150,595

What is "executive"? on a Corolla? Anyway That's TPS, Throttle Position Sensor. See http://www.obd-codes.com/p0120

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150,595

The ECU takes readings from the vehicle speed sensors, the MAF and MAP and rpm of engine. If they don't agree, if the car is not going at the speed it should be compared to the voltage the ETC is putting out (5 Volts is WOT Wide open Throttle) is will throw the P0120 code. For example if the MAF shows a very high air flow and the car is only going 20 mph that's a discrepancy

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