How do you reset the ECU on a Toyota Tundra?
How to Reset a Tundra ECU
- Open the hood for access to the engine compartment.
- Unscrew the negative cable on the battery.
- Take the cable off the terminal.
- Tighten the cable back on to the terminal.
- Start the truck and ensure the “Service Engine” light is gone.
What should my Toyota Tundra idle at?
Typically, the idle speed will be set at a value in the range of 600 to 800 RPM, but the exact value will depend on the number of engine cylinders and whether the vehicle is equipped with a manual or automatic transmission.
Why did my Toyota Tundra die on idle?
I replaced the battery on my 2002 Tundra today, and my car also started to die on idle. I wasn’t sure what to think. So I feared a possible Fuel Injector issue.
What’s the rough idle after a Toyota battery replacement?
Here’s a DIY from YouTube demonstrating his procedure for cleaning the throttle on a 2003, 2AZ powered Camry: As Eden Prairie and Chanhassen’s Toyota and Lexus repair specialist we hope this helps the DIY and professional auto mechanic alike sort out the typical rough idle after a Toyota or Lexus battery replacement, repair, or disconnect.
What happens when the battery is disconnected on a Toyota?
When the starting battery is disconnected on late model Toyota and Lexus vehicles the engine control module loses the learned position of the idle air control valve or throttle actuator motor (throttle-by-cable or throttle-by-wire, respectively).
Why does my Toyota Prius idle when the battery is disconnected?
We wrote about something similar on the Prius, being a common cause of the MIL. When the starting battery is disconnected on late model Toyota and Lexus vehicles the engine control module loses the learned position of the idle air control valve or throttle actuator motor (throttle-by-cable or throttle-by-wire, respectively).