Saab 9-5:  Shakes When Idling → Causes and Diagnosis

  It can be a very jarring feeling when your Saab 9-5 shakes when at idle.  It can feel like the whole thing is going to vibrate to death with you in it.  If your 9-5 has this problem, there are many issues that can cause it.  We’ve lined out some of the most common … Read more

Saab 9-5: Service Engine Soon Light → Diagnosis

Your Saab 9-5’s service engine soon light is there to let you know that some sort of problem has been detected with the vehicle. Any vehicles made in 1996 or newer use OBDII codes, which can easily be retrieved from a good code scanner. A flashing service engine soon light is telling you that something … Read more

Saab 9-5 Brake Warning Light: Why is it on?

Your Saab 9-5‘s brake light indicator is there to let you know that there is an issue with the brake system. It is different than the anti-lock brake system, which gets its own ABS warning light. The brake light indicates that there is a problem with the physical braking system itself. If you are reading … Read more

Saab 9-5 Rough Idle → Causes & Diagnosis

There are quite a few reasons why your Saab 9-5 could be idling rough.  An internal combustion engine needs air, fuel, and spark in order to achieve ignition.  When one or more of these variables is off it can lead to a rough idling condition.  Most of the time the culprit is going to be … Read more

Saab 9-5:  ABS Light Meaning & Diagnosis

  Your Saab 9-5’s ABS Light comes on when it fails a self diagnostic cycle.  When on, it indicates that the 9-5 does not have Anti-Lock brakes, and the safety they provide. Your 9-5’s ABS system uses a system of sensors to determine wheel speed when braking.  If one of the wheels is starting to … Read more

Saab 9-5:  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 Saab 9-5 will reach is not going to be enough to keep you … Read more

Saab 9-5: Black Exhaust Smoke → Symptoms & Diagnosis

Black smoke coming from your Saab 9-5’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 9-5 indicates that there could be a serious engine problem, and indicates that the air/fuel mixture … Read more

Saab 9-5: Engine Knocking → Causes & Diagnosis

  There are many different things that can cause engine knocking in your Saab 9-5.  These would include issues with the spark plugs, bad or wrong fuel, carbon deposits, and more.  Driving around with an engine that is knocking loudly can lead to a blown engine in no time. The problem with engine knocking is … Read more

Saab 9-5: 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 Saab 9-5’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 9-5’s ECU. … Read more

Saab 9-5: Speedometer Not Working → Diagnosis

One of the most inconvenient things that can happen to your 9-5 is when the speedometer stops working.  You don’t really realize how much you look at the thing until it’s just always sitting at 0 MPH while driving down the road.   If your Saab 9-5’s speedometer is not working, it’s usually going to … Read more