Hyundai Sonata P2187:  Bank 1 A/F Mixture Too Lean”

P2187 is a DTC code that can occur in the Hyundai Sonata.  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 Sonata’s oxygen sensor on Bank 1 (usually sensor 1) has detected that the air … Read more

Hyundai Sonata Overheating While Idle: Causes + Fix

There are a few reasons why your Hyundai Sonata 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

Hyundai Sonata:  P0068 MAP/MAF Throttle Position Correlation

P0068 in the Hyundai Sonata 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 Sonata’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

Hyundai Sonata: Engine Smoking Causes + Diagnosis

A smoking engine is a serious thing.  If your Hyundai Sonata’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 Sonata’s engine would smoke include overheating, burning oil, or … Read more

Hyundai Sonata:  Bad Sway Bar Links (Common Symptoms)

Sway bar links are responsible for connecting your Hyundai Sonata’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 Sonata.  If you have a bad sway bar link, your vehicle will … Read more

Hyundai Sonata Shuts Down While Driving (Common Causes)

If your Hyundai Sonata is shutting down while driving, it’s a real safety hazard.  Vehicles are a lot harder to control without power brakes or steering. Below is a list of the most common reasons your Sonata would randomly die while driving.  Before looking at anything, is the check engine light on? If it is, … Read more

Hyundai Sonata:  Brake Lights Not Working Diagnosis

Brake lights are one of the most critical safety features that your Hyundai Sonata 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

Hyundai Sonata: 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 Hyundai Sonata, it is certainly a cause for concern.  It is most commonly associated with a … Read more