Opel Karl:  Reduced Engine Power Diagnosis

  One of the most annoying things that can happen when we are driving our vehicles is when we get the reduced engine power light.  Most of the time, reduced engine power doesn’t make commuting home possible since the max speed your Opel Karl will reach is not going to be enough to keep you … Read more

Opel Karl: Black Exhaust Smoke → Symptoms & Diagnosis

Black smoke coming from your Opel Karl’s exhaust is definitely a concerning problem.  Different colored exhaust can mean different things.  Black smoke is typically of greater concern than white smoke. Dark black smoke coming from the exhaust of your Karl indicates that there could be a serious engine problem, and indicates that the air/fuel mixture … Read more

Opel Karl Engine Knocking Causes + How to Fix

One of the most alarming sounds you can hear from your Opel Karl is the engine knocking. Unfortunately, an engine knock can be a sign of significant engine problems. The first thing you should do is check your Karl’s oil. If it’s low, fill it up. If it appears frothy, there may be coolant getting into … Read more

Opel Karl: Bad MAF Sensor → Symptoms & Causes

  The mass airflow sensor (commonly abbreviated to MAF) is one of the most important engine management sensors.  A bad mass airflow sensor can leave your Opel Karl’s engine running rough, or even inoperable. A MAF sensor measures the density of the air entering the intake manifold.  It passes this information onto your Karl’s ECU. … Read more

Opel Karl Speedometer Not Working: Causes + How to Fix

One of the most inconvenient things that can happen to your Opel Karl is when the speedometer stops working.  You don’t realize how much you look at the thing until it’s always sitting at 0 MPH while driving down the road.   If your car’s speedometer is not working, it’s usually caused by an issue with … Read more

Opel Karl AC Not Cooling:  Why and How to Fix

One of the most inconvenient vehicular problems is when the A/C won’t blow cold air. If your Opel Karl isn’t keeping you cool, we’ve outlined some of the most common reasons why this might be happening. It is entirely possible for your Karl’s heater to work just fine even when the air conditioner is blowing … Read more

Opel Karl Bad Fuel Injector: Symptoms, Diagnosis, How to Fix

Fuel injectors can go the life of a modern vehicle with little to no trouble at all.  That being said, bad fuel injectors are one of the more common issues that happen to any vehicle (Opel Karl included).   There’s always more than one fuel injector, and even one going bad is enough to make … Read more

Opel Karl: Brakes Grinding  → Causes & Diagnosis

  One of the most common problems with the Opel Karl (or any vehicle) is when the brakes are grinding.  The number one cause of grinding brakes is going to be brake pads that have worn all of their friction material off.  But, there are other causes as well. Your Opel Karl is always going … Read more

Opel Karl’s Steering Wheel Shaking: Every Reason Why

If your Opel Karl’s steering wheel is shaking, you should deal with it immediately. A shaking steering wheel in the Opel Karl is caused by anything from the wheels and tires through the suspension (ball joints, tie rods, etc.) to the braking system.  We’ll start with the easiest things to check and move towards things … Read more

Opel Karl Service Stabilitrak: Meaning + How to Fix

One of the most common issues with the Opel Karl, or any newer GM vehicle, is the “Service StabiliTrak” warning.   StabiliTrak is GM’s electronic stability control system. It does much more than a standard traction control system. It is one of the most innovative and vital safety features on your Opel Karl and can … Read more