Kia Rio P2270: Symptoms, Causes, + Diagnosis

P2270 is a general DTC trouble code, which means it has the same meaning for the Kia Rio as it would any other vehicle.  It means that the oxygen sensor located on bank 1 behind the catalytic converter is continuously sending voltage that indicates a lean air/fuel mixture.   This does not necessarily mean that … Read more

Kia Rio P0453: Fuel Tank Pressure Sensor/Switch Too High

Your Kia Rio utilizes an evaporative emissions control (EVAP) system to migrate fuel vapors from the gas tank and fuel filler neck, and sends them to the engine to be burned off.  When the pressure inside of the fuel tank is too high, P0453, is thrown and the check engine light comes on. If the only … Read more

Kia Rio P0452:  FUEL Tank Pressure Low Diagnosis

P0452 is a generic OBD II code that can occur in the Kia Rio.  It means that your Rio’s EVAP system has detected low fuel tank pressure. The evaporative emissions control system (EVAP) sends fuel vapors from the fuel tank to the intake manifold to be burned off.  When the pressure in the system is … Read more

P2189 Kia Rio:  Lean Condition at Idle (Bank 2)

P2189 is a DTC code that can occur in your Kia Rio.  It indicates the air fuel mixture is too lean at idle, specifically in bank 2 (we’ll cover how to find bank 2 later).  Its is different from the much more common P0174, which indicates that bank 2 is lean at any engine speed. … Read more

Kia Rio P2187:  Bank 1 A/F Mixture Too Lean”

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

Kia Rio Overheating While Idle: Causes + Fix

There are a few reasons why your Kia Rio 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

Kia Rio:  P0068 MAP/MAF Throttle Position Correlation

P0068 in the Kia Rio 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 Rio’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

Kia Rio: Engine Smoking Causes + Diagnosis

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

Kia Rio Hesitating to Start (5 Most Common Reasons)

While it may not leave you stranded, a vehicle that hesitates to start can be very concerning. There are a few reasons why your Kia Rio may not be starting, such as a bad starter, a bad battery, bad alternator, and more.   Kia Rio Hesitates to Start: Causes Here are some of the most … Read more

Kia Rio:  Bad Sway Bar Links (Common Symptoms)

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