Engine Diagnostics

& Check Engine Service in Irving, TX

We Find the Problem. You Drive with Confidence.

If your check engine light has come on or your vehicle isn’t running the way it should, the ASE-certified technicians at Kwik Kar Oil Change & Auto Care in Irving, TX are here to help. Using advanced diagnostic technology, we accurately identify problems involving the engine, fuel system, ignition system, emissions components, sensors, and other electronic controls. Once we’ve pinpointed the issue, we’ll explain our findings, provide honest repair recommendations, and perform the services needed to restore your vehicle’s performance, reliability, and efficiency—so you can get back on the road with confidence.
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ASE Certified

Technician

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24-Month / 24,000-Mile Warranty
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Proudly serving Irving & surrounding areas

We’re proud to be the trusted choice for drivers in irving and nearby communities. 

Why Drivers choose
kwik kar Irving

A Reputation Built on Quality & Trust

Kwik Kar Irving has proudly provided honest auto repair, quality workmanship, and exceptional customer service to drivers throughout the Irving community.

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Accurate Engine Diagnostics to Identify Problems Before They Become Major Repairs

When your check engine light comes on, it’s your vehicle’s way of telling you that something needs attention. Modern vehicles are equipped with advanced onboard diagnostic systems (OBD-II) that continuously monitor engine performance, emissions systems, fuel delivery, ignition components, and other critical systems. When a problem is detected, the system stores diagnostic trouble codes and activates a warning light on your dashboard.

At Kwik Kar, our ASE-certified technicians use advanced diagnostic equipment to accurately identify the source of engine performance issues and check engine light warnings, helping you avoid unnecessary repairs and costly breakdowns.

Common Reasons for a Check Engine Light

A check engine light can be triggered by a variety of issues, including:

  • Faulty oxygen sensors
  • Loose or damaged gas caps
  • Ignition coil failures
  • Worn spark plugs
  • Mass airflow sensor problems
  • Catalytic converter concerns
  • EVAP system leaks or component failures
  • Thermostat or cooling system issues
  • Fuel system problems
  • Emissions system malfunctions

While some issues may be minor, others can lead to reduced fuel economy, poor performance, increased emissions, or expensive engine damage if left unaddressed.

Our Engine Diagnostic Process

Our technicians begin by connecting professional diagnostic equipment to your vehicle’s onboard computer to retrieve fault codes and system data. We then perform additional testing and inspections to identify the root cause of the problem rather than simply replacing parts based on a code.

Depending on the symptoms, our diagnostic process may include:

  • Computerized engine scanning
  • Check engine light diagnosis
  • Battery and charging system testing
  • Fuel system analysis
  • Ignition system testing
  • Sensor and emissions system evaluation
  • Visual inspections and road testing

This comprehensive approach allows us to provide accurate recommendations and effective repairs.

When Should You Schedule Engine Diagnostics?

We recommend scheduling engine diagnostics whenever:

  • Your check engine light is illuminated
  • The engine is running rough or misfiring
  • Fuel economy decreases unexpectedly
  • You notice a loss of power or acceleration
  • The vehicle stalls or hesitates
  • Warning lights appear on the dashboard

Early diagnosis can help prevent small issues from becoming major repairs and keep your vehicle operating safely and efficiently.

Trusted Engine Diagnostics at Kwik Kar Oil Change & Auto Care in Irving, TX

At Kwik Kar, we provide accurate engine diagnostics and check engine light services for most makes and models. Whether you’re dealing with a warning light, performance issue, or drivability concern, our experienced technicians can identify the problem and recommend the right solution to get you back on the road with confidence.

 
COMPLETE AUTO REPAIR SERVICES

Professional Auto Repair for Every Make & Model

From routine maintenance to major repairs, our ASE-certified technicians combine advanced
diagnostic tools with quality parts to deliver dependable repairs and lasting performance.

A/C repair and auto air conditioning service at Kwik Kar Oil Change & Auto Care in Irving, TX.

Stay comfortable in every season with expert A/C, heating, and climate control services designed for reliable year-round performance.

Alternator replacement and charging system repair at Kwik Kar Oil Change & Auto Care in Irving, TX.

Reliable charging and starting system repairs to keep your vehicle starting consistently and running without electrical issues.

Brake repair and brake service at Kwik Kar Oil Change & Auto Care in Irving, TX.

Professional brake pad and rotor replacement to restore dependable stopping power and enhance your vehicle's safety.

Car battery replacement and battery testing at Kwik Kar Oil Change & Auto Care in Irving, TX.

Complete battery testing and replacement to ensure dependable starts and reliable electrical system performance.

Differential service and differential fluid replacement at Kwik Kar Oil Change & Auto Care in Irving, TX.

Protect your drivetrain with professional differential maintenance and repairs for smooth, efficient power transfer.

Engine repair and engine diagnostics at Kwik Kar Oil Change & Auto Care in Irving, TX.

Advanced diagnostic testing to accurately identify engine problems and recommend the right repair solution.

Auto electrical system diagnostics and repair at Kwik Kar Oil Change & Auto Care in Irving, TX.

Complete electrical diagnostics and repairs to restore dependable performance for your vehicle's critical systems.

Fuel injector cleaning and fuel system service at Kwik Kar Oil Change & Auto Care in Irving, TX.

Fuel injector cleaning and service to improve engine efficiency, restore power, and maximize fuel economy.

Professional oil change service at Kwik Kar Oil Change & Auto Care in Irving, TX.

Quick, professional oil changes using premium oils and filters to protect your engine and extend its lifespan.

Transmission repair and transmission service at Kwik Kar Oil Change & Auto Care in Irving, TX.

Expert transmission maintenance and repairs to promote smooth shifting and dependable long-term performance.

Texas state vehicle inspection service at Kwik Kar Oil Change & Auto Care in Irving, TX.

Fast, certified Texas State Inspections to help keep your vehicle compliant, safe, and road-ready.

Shocks and struts replacement service at Kwik Kar Oil Change & Auto Care in Irving, TX.

Restore ride comfort and handling with professional shock and strut replacement for improved vehicle stability.

Timing belt replacement service at Kwik Kar Oil Change & Auto Care in Irving, TX.

Replace worn timing belts before failure to protect your engine from expensive internal damage.

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NEED ENGINE DIAGNOSTIC IN IRVING,TX?

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Kwik Kar Irving logo for ASE-certified oil change, auto repair, state inspections, and vehicle maintenance services in Irving, Texas.
Kwik Kar Irving logo for ASE-certified oil change, auto repair, state inspections, and vehicle maintenance services in Irving, Texas.

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Get upto $20 OFF on all services.