Ford Fiesta P1131:  Causes + Diagnosis

P1131 is a diagnostic trouble code that applies to vehicles manufactured by Ford, including the Fiesta. Trouble codes that start with P1XXX were reserved for manufacturers. This code occurs when the upstream O2 sensor on bank 1 fails a diagnostic test twice in a row. P1131 Quick Facts DTC P1131 is usually caused by a … Read more

Ford Fiesta P1151:  Causes & Diagnosis

P1151 is a diagnostic trouble code that applies to vehicles manufactured by Ford, in this case the Fiesta.  This code occurs when the upstream O2 sensor on bank 2 fails a diagnostic test twice in a row. DTC P1151 is usually caused by a bad oxygen sensor, fuel injector, or vacuum leak.  But, there can … Read more

Ford Fiesta P0453: Fuel Tank Pressure Sensor/Switch Too High

Your Ford Fiesta 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

Ford Fiesta P0452:  FUEL Tank Pressure Low Diagnosis

P0452 is a generic OBD II code that can occur in the Ford Fiesta.  It means that your Fiesta’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 Ford Fiesta:  Lean Condition at Idle (Bank 2)

P2189 is a DTC code that can occur in your Ford Fiesta.  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

Ford Fiesta P2187:  Bank 1 A/F Mixture Too Lean”

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

Ford Fiesta Overheating While Idle: Causes + Fix

There are a few reasons why your Ford Fiesta 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

Ford Fiesta:  P0068 MAP/MAF Throttle Position Correlation

P0068 in the Ford Fiesta 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 Fiesta’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

Ford Fiesta: Engine Smoking Causes + Diagnosis

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

Ford Fiesta 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 Ford Fiesta may not be starting, such as a bad starter, a bad battery, bad alternator, and more.   Ford Fiesta Hesitates to Start: Causes Here are some of the most … Read more