Engine Diagnostics

Engine Diagnostics

If your engine isn’t running right—or not running at all—it’s time to get it checked. Modern engines are complex systems with sensors and components that work together to deliver performance, efficiency, and safety. At WrenchWorks Westfield, our engine diagnostics service uses advanced tools and expert analysis to quickly identify the problem—whether it’s misfiring, stalling, poor fuel economy, or strange noises. From simple fixes to complex repairs, our ASE-certified technicians will give you straight answers and dependable solutions.
  • Qualified and experienced technicians
  • Automated and accurate testing lanes
  • Transparent, honest diagnostics
  • Industry-standard equipment
  • Commitment to customer satisfaction
  • Fast turnaround without compromise
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Service Features

What to Expect With Engine Diagnostics Services

1. Schedule Your Appointment

Let us know what symptoms you’re experiencing such as rough idling, poor acceleration, or strange noises so we can prep for a thorough diagnosis.

2. Advanced Engine Scanning

We connect your vehicle to our professional-grade diagnostic equipment to read fault codes, check live data, and analyze engine performance in real-time.

3. Hands-On Component Inspection

Beyond the scan, our technicians physically inspect key components such as spark plugs, sensors, coils, fuel injectors, and vacuum lines for signs of wear or failure.

4. Digital Inspection Report

You’ll receive a detailed Digital Vehicle Inspection (DVI) via text or email, including diagnostic results, photos, and transparent pricing for any needed repairs.

5. Review & Approve Repairs

Our service advisor will explain the findings, recommend next steps, and guide you through approving repairs directly from your device.

6. Engine Repairs Completed

We’ll complete repairs using top-quality parts and expert techniques to restore power, performance, and reliability to your engine.

Common Problems

Common Engine Problems We Diagnose

Engine issues can show up in many ways: misfiring, power loss, knocking sounds, poor fuel mileage, or even a no-start condition. These symptoms can stem from faulty sensors, ignition problems, timing issues, or fuel delivery faults. With the right diagnostic tools and expertise, WrenchWorks Westfield can find and fix the issue quickly—before it leads to bigger problems.

Testimonials

What Customer Says

FAQ

General Question

What does the check engine light mean?

It indicates your vehicle’s onboard diagnostics system (OBD) has detected an issue — ranging from loose gas caps to serious engine trouble.

How do you diagnose engine problems?

We use advanced scan tools to read trouble codes (OBD-II), then inspect related components to identify exact causes of warning lights or performance issues.

Is engine diagnostics the same as a tune-up?

Not exactly. Diagnostics identify existing issues, while a tune-up is preventive service to maintain performance. We offer both.

How long does a diagnostic test take?

Most tests take 30–60 minutes, depending on the issue. We provide a full report and walk you through any recommended repairs.

Can I drive with the check engine light on?

If the light is blinking, stop driving immediately. A steady light means non-urgent issues, but it’s best to get it diagnosed promptly to avoid damage.

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At WrenchWorks Auto Care, we’re more than just mechanics — we’re your trusted pit crew. With a deep commitment to honest service and cutting-edge diagnostics.

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Work Hours

  • 8 AM - 7 PM , Monday - Friday

Our after hours receptionist can answer your basic questions around the clock. 

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