RW General Automotive and Tires Services

09/02/2026

3795 Kings Highway 30135
(678) 556-5014 Walk-Ins Welcome
Used Tires, Maintenance, & Repairs!
change

08/28/2026

Come In to Check your Brakes and Tires today

08/25/2026

Apply In Person Today!

08/22/2026

Time to change your oil?
Call or Walk in today! 678-556-5014

🛢️ MOTOR OIL VISCOSITY GUIDE

Choosing the correct engine oil viscosity is essential for proper lubrication, fuel efficiency, engine protection, and long engine life. Always use the viscosity recommended by your vehicle manufacturer.

🟢 0W-20
Ideal for modern gasoline engines.
Excellent cold-start performance.
Improves fuel economy.
Suitable for cold climates.
🔵 5W-30
Recommended for most daily-driven vehicles.
Provides excellent engine protection.
Performs well in both hot and cold weather.
Common choice for gasoline and light-duty diesel engines.
🟡 10W-40
Suitable for high-mileage engines.
Helps reduce oil consumption.
Provides better protection at higher temperatures.
Ideal for moderate to warm climates.
🟠 15W-40
Designed for diesel engines and heavy-duty vehicles.
Excellent protection under heavy loads.
Commonly used in trucks and commercial vehicles.
Performs well in hot operating conditions.
🔴 20W-50
Best for older or worn engines.
Helps maintain oil pressure.
Suitable for hot climates.
May reduce oil burning in high-mileage engines.
⚠️ Common Symptoms of Incorrect Oil Viscosity
Hard cold starts.
Engine ticking or lifter noise.
Low oil pressure warning light.
Increased oil consumption.
Blue exhaust smoke.
Reduced fuel economy.
🔧 Choosing the Right Oil
Follow the viscosity listed in the owner's manual.
Consider your local climate.
Use high-mileage oil for older engines if recommended.
Choose quality engine oil that meets the required specifications.
💡 Maintenance Tip

Using the correct engine oil viscosity helps reduce engine wear, improves cold-start protection, maintains proper oil pressure, and extends engine life. Always replace the oil and oil filter at the recommended service interval.

08/21/2026

08/21/2026

Check Engine Light On? 💡

🚗 CHECK ENGINE LIGHT GUIDE

The **Check Engine Light** is your vehicle's way of telling you that something isn't working correctly. While some issues are minor, others can lead to serious engine damage if ignored.

# # # ⚠️ Common Causes

* Faulty oxygen (O₂) sensor.
* Worn spark plugs or ignition coils.
* Dirty or failing MAF/MAP sensor.
* Clogged catalytic converter.
* Faulty fuel injector.
* Loose or damaged fuel cap.
* EVAP system leak.
* Low or unstable battery voltage.

# # # 🚨 Common Symptoms

* Check Engine Light stays on or flashes.
* Reduced engine power.
* Rough idle or engine misfire.
* Poor fuel economy.
* Hard starting or stalling.
* Increased exhaust emissions.

# # # 🔍 Diagnostic Steps

* Scan the vehicle for Diagnostic Trouble Codes (DTCs).
* Inspect the fuel cap for a proper seal.
* Check sensors, ignition components, and battery voltage.
* Look for vacuum leaks or damaged wiring.
* Clear the codes only after the fault has been repaired.

# # # ⚡ Risks of Ignoring the Warning

* Reduced engine performance.
* Higher fuel consumption.
* Damage to the catalytic converter.
* Increased emissions.
* More expensive repairs over time.

# 🛠️ Repair Recommendations

* Diagnose the exact cause before replacing parts.
* Repair faulty sensors or ignition components promptly.
* Replace damaged fuel system or EVAP components when needed.
* Perform regular maintenance to prevent recurring issues.
* If the **Check Engine Light is flashing**, stop driving as soon as it is safe and have the vehicle inspected immediately, as this often indicates a severe engine misfire that can damage the catalytic converter.

08/21/2026

08/21/2026

#$99brakes

08/08/2026