Lexus IS 300:  Overheating → Symptoms + Causes

One of the worst problems that can happen to your Lexus IS 300 is overheating.  Common symptoms of overheating include smoke coming from under the hood, a pegged temperature gauge, and (eventually) a blown head gasket. If your IS 300 is overheating, stop driving it immediately to avoid damaging the engine. Ignoring an overheating engine … Read more

Lexus IS 300: Window Won’t Go Up Diagnosis

Your Lexus IS 300’s windows protect you from the elements, and they protect the interior from damage.  If your window won’t go up, there are a few common issues that can cause this problem.  These include a blown fuse, bad window motor, wiring issues, and the switch.     Power Window Won’t Go Up Causes:  Lexus … Read more

Lexus IS 300:  Brake Fluid Leak Causes & Diagnosis

  Your Lexus IS 300’s brake system is the most important safety feature on the vehicle.  Without a reliable braking system, it is dangerous to keep driving your IS 300.  A brake fluid leak is a serious problem.  It is usually caused by a failure of a seal, brake line, master cylinder reservoir, and a … Read more

Lexus IS 300 Bad Ignition Switch: Symptoms, Causes, + How to Fix

Your Lexus IS 300‘s ignition switch is one of the most vital items on the entire vehicle.  If it fails, the entire vehicle won’t be able to run.  We’ve compiled some of the most common symptoms of a bad ignition switch.  These include stalling issues, not starting, and no power to the radio or accessories. Function of … Read more

Lexus IS 300 Bad Throttle Body: Symptoms + Diagnosis

If your Lexus IS 300 has a faulty throttle body, it can cause it to run terribly.  Common symptoms of a bad throttle body include dirt and grime, the check engine light, and an erratic idle. Your IS 300’s throttle body controls the amount of air that enters the engine.  You control the throttle body … Read more

Lexus IS 300: Bad Thermostat → Symptoms & Diagnosis

The thermostat in your Lexus IS 300’s engine plays a crucial role in regulating its temperature. A malfunctioning thermostat may lead to various issues and should be dealt with immediately. Some of the most common symptoms of a bad thermostat are no heat, a spiked temp gauge, a blown head gasket, and more. A thermostat … Read more

Lexus IS 300:  Bad Serpentine Belt

One of the most common issues with a vehicle is a bad serpentine belt.  If you suspect that your Lexus IS 300 has this problem, we’ll give you the common symptoms below, as well as how to replace it. The good news is that serpentine belts are cheap, and in the grand scheme of things, … Read more

Lexus IS 300: Uneven Tire Wear → Causes

  Uneven tire wear can happen at any time in the life of a vehicle.  If your Lexus IS 300 is experiencing this situation, taking corrective action when you first notice it is important.  Otherwise, you may end up needing a new set of tires.   Lexus IS 300 Uneven Tire Wear Causes There are … Read more

Lexus IS 300 Low Transmission Fluid: Symptoms and Diagnosis

There are several symptoms to watch for that suggest your IS 300 might have low transmission fluid. Some of these signs include irregular shifting, inability to shift, dashboard warning lights, slipping transmission, and strange noises coming from under the hood. If you suspect that your IS 300 has low transmission fluid, the first thing you … Read more

Lexus IS 300:  Engine Knock → Causes & Diagnosis

One of the most disconcerting sounds that you can hear coming from your Lexus IS 300 is the engine knocking.  An engine knock can be a sign of major engine problems.  It is usually caused by, ignition issues, timing issues, worn lower engine parts, and more.  We’ll cover the most common causes below. By definition, … Read more