Toyota Sequoia P2187:  Bank 1 A/F Mixture Too Lean”

P2187 is a DTC code that can occur in the Toyota Sequoia.  It indicates the air fuel mixture is too lean at idle. The technical definition for P2187 “System Too Lean at Idle: Bank 1”.  The code is thrown after your Sequoia’s oxygen sensor on Bank 1 (usually sensor 1) has detected that the air … Read more

Toyota Sequoia Overheating While Idle: Causes + Fix

There are a few reasons why your Toyota Sequoia would be overheating when idling.  The most common ones include a bad thermostat, water pump, electric fans, and low coolant level.  This guide is intended to help you find the cause of this overheating in the most efficient way possible.  So, let’s start with what’s easy … Read more

Toyota Sequoia:  P0068 MAP/MAF Throttle Position Correlation

P0068 in the Toyota Sequoia is a generic OBD II code.  In layman’s terms, it means that the MAP (manifold absolute pressure) and/or MAF (mass airflow sensor) are providing the Sequoia’s computer contradicting data compared to what it should be in relation to the throttle position sensor. The throttle position sensor tells the computer how … Read more

Toyota Sequoia: Engine Smoking Causes + Diagnosis

A smoking engine is a serious thing.  If your Toyota Sequoia’s engine has smoke coming from it, it needs to be addressed right away.  It can be caused by quite a few different problems, none of which should be ignored. The most common reasons why your Sequoia’s engine would smoke include overheating, burning oil, or … Read more

Toyota Sequoia:  Bad Sway Bar Links (Common Symptoms)

Sway bar links are responsible for connecting your Toyota Sequoia’s sway bar to the chassis.  The job of a sway bar is to eliminate body roll by helping the tires keep better contact with the road, which improves the handling characteristics of your Sequoia.  If you have a bad sway bar link, your vehicle will … Read more

Toyota Sequoia Shuts Down While Driving (Common Causes)

If your Toyota Sequoia is shutting down while driving, it’s a real safety hazard.  Vehicles are a lot harder to control without power brakes or steering.   Toyota Sequoia Shuts Down When Driving: Top Causes Directly below is a list of the most common reasons why your Sequoia would randomly die while driving.  It may … Read more

Toyota Sequoia:  Brake Lights Not Working Diagnosis

Brake lights are one of the most critical safety features that your Toyota Sequoia has.  They let other drivers know when you are slowing down, and that they need to slow down too.  If your brake lights aren’t working, you’re way more likely to get rear ended than normal.  The good news is that troubleshooting … Read more

Toyota Sequoia: What’s Causing That Rotten Egg Smell?

One of the most undervalued diagnostic tools is the human nose.  There’s a lot our nose can tell us about a vehicle with a few quick sniffs.  If you happen to smell a rotten egg smell coming from your Toyota Sequoia, it is certainly a cause for concern.  It is most commonly associated with a … Read more

Toyota Sequoia Dies After Starting Diagnosis

It can be very disconcerting if your Toyota Sequoia is starting and then dies.  It is most likely caused by some type of issue with the electrical or fuel system.  But, there can be other causes as well. Your Sequoia’s engine needs 3 things constantly and in the proper proportion to keep running. Air Fuel … Read more