Toyota Sequoia: Bad Coil Packs → Symptoms and Diagnosis

  Bad Coil Packs are one of the more problematic ignition issues that can occur with the Toyota Sequoia.  A bad oil pack can make your Sequoia almost un-drivable.  Or it may have little effect at all on the engine’s ability to run.  It’ll get worse as they lose their ability to fire the spark plugs. … Read more

Toyota Sequoia Won’t Start Diagnosis

    It can be very frustrating when a vehicle won’t start.  There are many different issues that can cause the problem.  This article is written with the assumption that you are looking for a way to get your Toyota Sequoia started now, and is meant to provide you with practical advice to help aid … Read more

Toyota Sequoia: Bad Alternator → Symptoms & Diagnosis

A bad alternator can leave your Toyota Sequoia without power and unable to move.  Alternators don’t always go bad in the exact same way.  We’ll cover the symptoms of when an alternator goes bad, and how to diagnose a bad one (which is really pretty easy).   How Your Sequoia’s Alternator Works The alternator’s job … Read more

Toyota Sequoia: Bad Spark Plugs → Symptoms and Diagnosis

Bad spark plugs can cause many problems with your Toyota Sequoia.  Bad spark plug symptoms may be subtle, or incredibly noticeable. The basic design and task of the spark plug has changed little over the last 100 years.  They sit on top of the combustion chamber and ignite the air/fuel mixture and start the power … Read more

Toyota Sequoia: Bad O2 Sensor → Symptoms and Causes

  Oxygen sensors play a vital role in both engine management and emissions control.  When an O2 (oxygen) sensor go bad, it’ll cause your Toyota Sequoia‘s engine to run less efficiently. Your Sequoia can exhibit symptoms when the Oxygen sensor has gone bad.  Or, it may exhibit none at all. Often enough, the only sign … Read more

Toyota Sequoia Low Oil Pressure: Diagnosis and Causes

One of the most serious issues that can happen to your Toyota Sequoia‘s engine is if it ends up with low oil pressure.  Low oil pressure will cause the engine to seize up.  When the oil pressure light on, it should be assumed that the engine locking up is imminent. We advise not running the … Read more

Toyota-Sequoia Catalytic Converter: Price, Location, and Diagnosis

Your Toyota Sequoia leaves the factory with a catalytic converter.  It can run into problems over the normal life of the vehicle, and is often accompanied by OBDII code P0420.  Below we’ll cover the location, price, and symptoms of a bad torque converter in your Sequoia.   Menu: Catalytic Converter Price Sequoia Catalytic Converter Location … Read more