Posts Tagged: Limp mode
How to Diagnose a Throttle Position Sensor Code Like a Pro
Why Your Car Has a Throttle Position Sensor Code and How to Fix It Quick Summary Mechanical and electronic throttle systems use two internal throttle position sensors that work inversely to validate each other. A proper diagnosis requires an understanding of how both sensors share a 5-volt reference and ground, and how the ECM tracks the inverse signals to detect a fault. Once you understand reference voltage and ground, it’s easy to diagnose these common throttle position sensor codes: P0120 – Throttle/Pedal Position Sensor “A” Circuit P0121 – Throttle/Pedal Position … Read More
How To Get Your Car Out Of Limp Mode
Limp mode: What Every Driver Needs to Know Limp mode is a self-protection method that activates when the vehicle computer determines there’s a transmission problem that could possibly cause further damage. Limp mode is designed to prevent the transmission from shifting to a higher gear while limiting vehicle speed to a maximum of 30-45 MPH. That allows you to get the vehicle to a shop and prevent more expensive damage. However, there are 4 ways to get your car out of limp mode. Four Ways to get out of limp … Read More