5 Symptoms of a Bad Air-Fuel Ratio Sensor

bad air fuel ratio sensor symptoms

If you’re like most people, you probably know very little about your car’s air fuel ratio sensor. But what if I told you that this little piece of equipment is responsible for ensuring that your engine runs smoothly and efficiently? Let’s go over what an air-fuel ratio sensor is, where it’s located, what it does, … Read more

P0336 Code (Symptoms, Causes, and How to Fix)

P0336 code

Little can prove as aggravating during the morning commute to work, as the sudden appearance of a check engine light, resonating within your field of view. For most, such a sight conjures up thoughts of costly repairs or inconvenient vehicle downtime. To say the least, a certain level of anxiety often sets in soon thereafter. … Read more

P0121 Code (Symptoms, Causes, and How to Fix)

P0121 code

Today’s vehicles rely heavily upon a web of modules, intelligent devices, and wiring to operate in a safe and efficient manner. Each component and connection within these systems prove vital in more ways than one and must exhibit a high degree of integrity. However, despite the implementation of cutting edge manufacturing practices, no vehicle is … Read more

P0325 Code (Symptoms, Causes, and How to Fix)

P0325 code

The last thing you want to see when you’re driving down the road is the dreaded check engine light. But when it does happen, you need to quickly figure out what’s going on to make sure that you’re not going to cause any further damage by ignoring it. If after using your OBD2 scanner you … Read more

P0122 Code (Symptoms, Causes, and How to Fix)

P0122 code

While there are tons of diagnostic trouble codes that spell disaster, a P0122 code is one the least expensive or damaging DTCs you’ll encounter. So, if you use your trusty OBD2 scanner to discover code P0122 is the reason for your check engine light, you can take a deep breath and relax. It’s not that … Read more

4 Symptoms of a Bad Knock Sensor (and Replacement Cost)

bad knock sensor symptoms

You’re thrumming along a long country road, of course, and you can’t really tell what’s going on in your engine bay. That’s because everything is so quiet nowadays. But you do see a check engine light that wasn’t there before or maybe you feel a strange bumping sound upon acceleration. Maybe your mileage has gone … Read more

5 Symptoms of a Bad Coolant Temp Sensor (and Replacement Cost)

bad coolant temperature sensor symptoms

Today’s vehicles utilize an elaborate network of sensors, modules, and wires to assist an engine in achieving the highest degree of operational efficiency. The sensors contained within this network monitor a number of values related to critical engine operation, and relay data to their corresponding modules for interpretation.  However, as is often the case with … Read more

7 Symptoms of a Bad MAP Sensor (and Replacement Cost)

bad map sensor symptoms

A MAP sensor, or manifold absolute pressure sensor, is a type of engine sensor that measures the amount of air pressure present in a vehicle’s intake manifold. This pressure reading is used along with engine speed (measured in revolutions per minute, or RPM) to determine engine load, which allows the vehicle’s engine control unit (ECU) … Read more