In business since 1983!

Truckee Auto Repair

Virtual Advisor
The Auto & Tire Doctor Hours
Mon - Fri: 8:00 AM - 5:00 PM
Express Lube Hours
Appointments Highly Recommended.
Mon - Fri 8:00 am - 5:00 pm
Smogs available: Smog checks on 2000 and newer vehicles.
Available at both facilities during regular business hours.

Monthly Archives: May 2023

What is a TPS? (Throttle Position Sensor)

You know you have an accelerator pedal; step on it and your vehicle is supposed to go.  But did you know there is a part in your vehicle that keeps track of where the throttle is? It's called the Throttle Position Sensor, or TPS. The TPS is a sensor that helps your vehicle figure out the right mix of air and fuel is reaching your engine.  It does that by keeping track of the throttle and sending that information to your vehicle's computer.  Other factors play a role in how well your engine is performing, including air temperature, how fast the engine is turning over and air flow.  When the TPS isn't working right, you may find your vehicle won't accelerate or doesn't have the power you're expecting when you press on the accelerator.  In some cases, it may accelerate on its own.  Sometimes your vehicle won't go over a certain speed.  Your Check Engine light may go on. Any of these symptoms should be checked out soon.  If your TPS stops working rig ... read more

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