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DIY10 min read

Common Car Problems and Quick Fixes

Learn about the most common automotive issues and when you can fix them yourself versus when to call a professional.

By Mobile Mechanics Team

Safety First: Always prioritize safety when working on your vehicle. If you're unsure about any repair, it's better to call a professional than risk injury or further damage.

Common Problems and Solutions

Dead Battery

Easy

Symptoms:

  • Engine won't start
  • Clicking sound
  • Dim lights

Quick Fixes:

  • Jump start with jumper cables
  • Check battery terminals for corrosion
  • Ensure lights are off when parked

When to Call a Professional:

Battery won't hold charge after jump start

Flat Tire

Medium

Symptoms:

  • Low tire pressure
  • Vehicle pulling to one side
  • Thumping noise

Quick Fixes:

  • Check tire pressure with gauge
  • Look for visible punctures or damage
  • Use tire repair kit for small punctures

When to Call a Professional:

Large puncture, sidewall damage, or no spare tire

Overheating Engine

Easy

Symptoms:

  • Temperature gauge in red
  • Steam from hood
  • Engine warning light

Quick Fixes:

  • Turn off AC and turn on heater
  • Pull over and let engine cool
  • Check coolant level when cool

When to Call a Professional:

Engine continues overheating or coolant is low

Strange Noises

Easy

Symptoms:

  • Squealing, grinding, or knocking sounds
  • Noise changes with speed

Quick Fixes:

  • Identify when noise occurs (braking, accelerating, turning)
  • Check for loose items in car
  • Look for visible damage under hood

When to Call a Professional:

Noise persists or gets worse

Check Engine Light

Easy

Symptoms:

  • Yellow or orange warning light
  • May be accompanied by poor performance

Quick Fixes:

  • Check gas cap is tight
  • Look for obvious issues under hood
  • Note any performance changes

When to Call a Professional:

Light stays on or flashes

Poor Fuel Economy

Easy

Symptoms:

  • Fewer miles per gallon
  • Frequent fill-ups

Quick Fixes:

  • Check tire pressure
  • Remove excess weight from vehicle
  • Drive more efficiently (smooth acceleration)

When to Call a Professional:

Sudden drop in fuel economy

Essential DIY Tools

Basic tool set

General repairs and adjustments

Tire pressure gauge

Check and maintain proper tire pressure

Jumper cables

Jump start dead battery

Flashlight

Inspect engine and undercarriage

Tire repair kit

Fix small punctures temporarily

Funnel

Add fluids without spills

Gloves and safety glasses

Protect hands and eyes

Owner's manual

Reference for specifications and procedures

Safety Guidelines

Important Safety Tips

  • Always work in a safe, well-lit area
  • Never work under a car supported only by a jack
  • Let engine cool before checking fluids
  • Wear appropriate safety gear
  • Keep children and pets away from work area
  • Have a fire extinguisher nearby
  • Know when to stop and call a professional

When to DIY vs. Call a Professional

Good for DIY

  • • Checking and topping off fluids
  • • Replacing windshield wipers
  • • Checking tire pressure
  • • Replacing air filters
  • • Jump starting a battery
  • • Basic cleaning and maintenance

Call a Professional

  • • Engine diagnostics and repairs
  • • Brake system work
  • • Electrical system problems
  • • Transmission issues
  • • Airbag or safety system work
  • • Complex engine repairs

Prevention Tips

Regular Maintenance Prevents Problems

Weekly Checks:

  • • Tire pressure and condition
  • • Fluid levels (oil, coolant, brake fluid)
  • • Lights and signals
  • • Windshield wipers

Monthly Checks:

  • • Battery terminals and connections
  • • Belts and hoses
  • • Air filter condition
  • • Brake pad thickness

Conclusion

Understanding common car problems and their quick fixes can save you time and money. However, it's important to know your limits and when to seek professional help. Regular maintenance and early problem detection are key to avoiding major repairs.

Mobile mechanics offer a convenient solution when you need professional help. They can come to your location, diagnose problems accurately, and perform repairs with professional tools and expertise.

Need Professional Help?

When DIY isn't enough, our certified mobile mechanics can diagnose and repair your vehicle at your location with professional tools and expertise.