Cadillac STS Stuck in Park: Causes & How to Fix

If your Cadillac STS is stuck in Park, the odds are that you’re not stranded.  We’ve made this guide to quickly help you get back on the road if your car doesn’t shift into gear.  Most vehicles with an automatic transmission have a linkage that connects the gear selector to the transmission. Recently, more vehicles … Read more

Cadillac STS Stalling → Causes & Diagnosis

One of the most common issues your Cadillac STS 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

Cadillac STS Shakes When Idle:  Causes and How to Fix 

It can be very jarring when your Cadillac STS shakes when idle.  If your STS 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 Cadillac STS Shaking … Read more

Cadillac STS: Service Engine Soon Light → Diagnosis

Your Cadillac STS’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

Cadillac STS Brake Warning Light: Meaning, Causes, + How to Fix

Your Cadillac STS‘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

Cadillac STS Rough Idle → Causes & Diagnosis

If you own a Cadillac STS 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 STS and how to fix the problem.  The most common cause of a rough idle is misfiring. What an Engine Needs to … Read more

Cadillac STS: ABS Light Meaning, Diagnosis, + How to Fix

Your Cadillac STS’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 STS’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

Cadillac STS:  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 Cadillac STS will reach is not going to be enough to keep you … Read more

Cadillac STS: Black Exhaust Smoke → Symptoms & Diagnosis

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

Cadillac STS Engine Knocking Causes + How to Fix

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