Why did my Toyota Tundra die on idle?

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.

How did the battery in my Toyota die?

Battery died.. Changed it.. Now won’t idle. Came out after a couple hours of being parked and my truck wouldn’t turn over. the interior lights were dim so I tried to jump it but it didn’t work. So I went to Pep Boys to get the battery tested and it was dead.

Why does my Toyota Prius battery not idle?

A reversed polarity battery would not allow the engine to run at all, let alone no idle. The idle problem is one of two issues, a miscalibrated MAF – clean it and do a computer reset. The second issue is the low speed fuel pump resistor mounted on the driver fenderwell.

What to do if your car battery dies?

Turn the key to the second detent (the actual run position, not start position) and let it sit there for about a minute. It may need to relearn the throttle stop. Check the fuses too. You may want to pull the rubber elbow off the throttle body and clear the bore (s) where the throttle blades contact it.

What causes the Check Engine light to turn off at idle?

At idle, the ECM will not get the correct information and the throttle will variate randomly causing idle surges. The check engine light will randomly turn on and off even if the car is running smoothly without any jerks and stalling.

Why does my Toyota Prius not idle at idle?

When the RPM is brought up a relay bypasses the resistor for full pump speed, at idle the pump is designed to slow down through the resistor. It the resistor is bad or unplugged, the pump will not run at idle, however will do the normal prime during key on which will give the initial startup each time.

Can a bad throttle position sensor cause idle surging?

Idle surging can be caused due to other issues in the car, but if it happens in conjunction with other throttle position sensor symptoms, the culprit is often the TPS. At idle, the ECM will not get the correct information and the throttle will variate randomly causing idle surges. 3) Check Engine Light

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).

What should I do if my car won’t idle?

Step 8: Press the accelerator pedal to the floor and count for 10 seconds and then release the pedal for 10 seconds. Do this 2 times Step 9: Quickly press the accelerator pedal to the floor and then release three times. Step 10: Start the engine. If it does not idle correctly after this procedure, you will need to clean the throttle body.

Why is the battery draining in my Toyota Tundra?

If your battery is draining while driving, it is almost without exception the Tundra’s alternator that is causing the problem. If it is you should see the battery or alternator light on, it indicates that the alternator is not creating the necessary voltage to charge the battery. It could be a bad battery, or more likely a bad battery cable too.

What to do if your Toyota won’t start?

Battery – If the connections on your battery become corroded, there is no longer a connection to the rest of the car. This can keep you from starting. Clean the posts and try to start the car. Additionally, the battery may be dead. Take a battery tester and test the cranking amps to see if they are weak.