Scion tC Stalling → Causes & Diagnosis

One of the most common issues your Scion tC is likely to develop is a stalling problem.  The most challenging part of diagnosing a stalling problem is reproducing the conditions that led to the stall in the first place.  Stalls can happen at any time, and it can be incredibly jarring when it does happen. Before … Read more

Scion tC Shakes When Idle:  Causes and How to Fix 

It can be very jarring when your Scion tC shakes when idle.  If your tC has this problem, many issues can cause it.  We’ve lined out some of the most common causes below. The most common reasons a vehicle shakes when idling is a misfire or bad motor mount. Table of Contents Scion tC Shaking … Read more

Scion tC: Service Engine Soon Light → Diagnosis

Your Scion tC’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

Scion tC Brake Warning Light: Why is it on?

Your Scion tC‘s brake light indicator is there to inform you of an issue with your car’s brake system. It is a light different from the anti-lock brake system, which has its own ABS warning light.  The brake light indicates a problem with the physical braking system itself. Check the Emergency Brake First If you … Read more

Scion tC Rough Idle → Causes & Diagnosis

If you own a Scion tC and it’s idling rough, you may be feeling frustrated. In this article, we’ll look at some of the most common causes of a rough idle in the tC and how to fix the problem.  The most common cause of a rough idle is misfiring. What an Engine Needs to … Read more

Scion tC: ABS Light Meaning, Diagnosis, + How to Fix

Your Scion tC’s ABS Light comes on when it fails a self-diagnostic cycle.  When on, it indicates that your car does not have Anti-Lock brakes and the safety they provide. Your tC’s ABS system uses a system of sensors to determine wheel speed when braking.  If one of the wheels starts to lock up, it’ll … Read more

Scion tC:  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 Scion tC will reach is not going to be enough to keep you … Read more

Scion tC: Black Exhaust Smoke → Symptoms & Diagnosis

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

Scion tC Engine Knocking Causes + How to Fix

One of the most alarming sounds you can hear from your Scion tC 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 tC’s oil. If it’s low, fill it up. If it appears frothy, there may be coolant getting into … Read more

Scion tC: 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 Scion tC’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 tC’s ECU. … Read more