Can a bad alternator cause a Toyota 4Runner to stall?
As described above, a bad alternator will drain your 4Runner’s battery fast. When the battery gets so dead it will no longer be able to power your 4Runner’s ignition system. As the ignition system is no longer able to produce a full powered spark, the engine will begin to sputter and stall.
What should the voltage be on a Toyota 4Runner?
Specifically, you’ll need to set it to 20V DC. With your 4Runner turned off, you’ll connect the negative side of the meter to the negative battery post or wire. You’ll then touch the positive side of the voltmeter to the positive battery wire. With the engine off, you should get a reading somewhere between 12.0 volts and 12.6 volts.
Where is the throttle position sensor on a Toyota 4Runner?
Your Toyota 4Runner uses a series of complex sensors to report what is going on to the ECU. The ECU then uses this information to adjust the timing, air fuel mixture, and more. When one of them goes wrong, it can lead to stalling for sure. Throttle Position Sensor – The throttle position sensor is typically located on the gas pedal.
As described above, a bad alternator will drain your 4Runner’s battery fast. When the battery gets so dead it will no longer be able to power your 4Runner’s ignition system. As the ignition system is no longer able to produce a full powered spark, the engine will begin to sputter and stall.
What to look for in a Toyota 4Runner battery?
The right car battery extends the life of your SUV, giving you assurance that your 4Runner’s engine continues to operate at its best. Sturdy construction and the ability to start the engine in extreme temperatures are just some of the factors to look for in a battery.
Can a new battery cause an engine to stall?
Step 2 – Sometime a high idle condition can occur after a new battery has been installed, this is the opposite of the engine stalling but share the same malfunction, the computer is unable to control idle speed. Simply drive the vehicle for a short time for the idle to subside to normal operation.
Your Toyota 4Runner uses a series of complex sensors to report what is going on to the ECU. The ECU then uses this information to adjust the timing, air fuel mixture, and more. When one of them goes wrong, it can lead to stalling for sure. Throttle Position Sensor – The throttle position sensor is typically located on the gas pedal.
Specifically, you’ll need to set it to 20V DC. With your 4Runner turned off, you’ll connect the negative side of the meter to the negative battery post or wire. You’ll then touch the positive side of the voltmeter to the positive battery wire. With the engine off, you should get a reading somewhere between 12.0 volts and 12.6 volts.
How can you tell if your alternator is going bad?
In plenty of cases, the warning light did not come on when the alternator was going bad. Some telltale signs to look for are headlamps dimming at idle but coming back up when the engine is revved, or the heat is just not as hot or gets hotter when the engine is revved but gets cooler again at idle.