Ad provided by Google

Toyota 4 Runner Common Problems and Solutions

Lack of power/misfiring

Problem:

You maybe noticing issues with the engine misfiring and/or experiencing a real lack of power when driving. These are common symptoms of a coil pack failure.

Models affected:

Solution:

If you replace the coil pack this should resolve the issue.

Difficulty level

2

Part you need

Coil Pack

Part required

Coil Pack

Get a quote for Coil Pack

ABS warning light

Problem:

If you have noticed that the ABS warning light has switched on the dashboard, then it is most likely caused by a faulty ABS Sensor.

Models affected:

Solution:

You will need to identify exactly which ABS sensor is causing the fault by having a diagnostic check. Once you have identified exactly which sensor is faulty, you will need to replace it to rectify the situation.

Difficulty level

3

Head gasket failure

Problem:

The second generation 4Runner is known for having problems with the cylinder head gasket blowing. This problem was a recall issue which meant that Toyota should have fixed it free of charge. Even with this in mind, they still do not last as long as would be expected.

Models affected:

Solution:

Fitting a replacement cylinder head gasket will fix the problem.

Difficulty level

4

Part you need

Cylinder Head Gasket

Part required

Cylinder Head Gasket

Get a quote for Cylinder Head Gasket

Gearbox problems

Problem:

If you want to protect your gearbox and make sure that it lasts as long as possible you must change the transmission fluid on a regular basis. A common symptom of a gearbox that needs the transmission fluid changed is poor gear changing.

Models affected:

Solution:

As mentioned above, you need to change the transmission fluid regularly. Watch the video below to see how this is done:

Difficulty level

4

Rough idling

Problem:

The Toyota 4Runner is prone to rough idling issues due to a problem with the MAF (Mass Airflow Sensor) sensor. The engine should idle at a constant speed, but if this is the problem it will a have an irregular idle. The rpm needle will be moving up being caused by the engine revving up and down.

Models affected:

Solution:

If you remove the MAF sensor and clean it with good quality carb cleaner, this should fix your problem. You can watch the video below to see how this is done.

Difficulty level

2

Part you need

Mass Airflow Sensor

Part required

Mass Airflow Sensor

Get a quote for Mass Airflow Sensor

Reading these common Toyota 4 Runner problems should help you find out what is wrong with your Toyota 4 Runner – or just what to look out for in the future. We’ll also give suggestions on what to do if your Toyota 4 Runner does have one of these issues.