Don’t Ignore That Light. Let’s Find the Problem Fast

If your check engine light just came on, don’t panic, but don’t ignore it either. At Gedney Auto Service Inc., we offer fast, accurate diagnostics for check engine lights and other warning indicators, so you can stay safe and avoid bigger (and more expensive) repairs down the road.

With over 20 years serving White Plains drivers, we know how to quickly get to the root of the issue and explain it clearly, no jargon, no pressure.

Call us at (914) 761-5324 or stop by today for quick diagnostics and peace of mind.

Common Causes of Check Engine Lights

A check engine light can signal something simple or something serious. Our advanced diagnostic tools scan your car’s onboard computer and help us identify the exact issue.

Here are some of the most common causes:

  • Loose or faulty gas cap

  • Failing oxygen sensor

  • Worn spark plugs or ignition coils

  • Catalytic converter issues

  • Mass airflow sensor problems

  • Vacuum leaks

  • Battery or charging system issues

  • Transmission problems

We’ll tell you what triggered the light, what it means, and what to do next

What to Expect During a Diagnostic Visit

  1. System Scan– We plug into your vehicle’s OBD-II port and pull stored error codes.

  2. Visual Inspection– We check for obvious signs like loose wires, hoses, or fluid leaks.

  3. Recommendations– We explain what the code means and recommend next steps with transparent pricing.

  4. Optional Repairs – We only fix what needs fixing, with no pushy upselling.

We can often complete the diagnostic and any minor repairs same-day to get you back on the road safely.

Why Choose Gedney Auto for Diagnostics?

  • Over 20 years of trusted service in White Plains

  • ASE-certified technicians with advanced scan tools

  • Clear explanations—no guesswork or gimmicks

  • Free estimates before any repairs begin

  • Fast turnaround with same-day service options

Check Engine FAQs – White Plains Drivers

Can I keep driving with the check engine light on?

If the light is steady, it’s likely not urgent—but it should be checked soon. If it’s blinking, stop driving and call us immediately.

What’s the most common reason for the light?

A loose or faulty gas cap is one of the most common causes—and easy to fix.

How much does a diagnostic cost?

We offer free estimates with any service and affordable flat-rate diagnostics if no repairs are needed.

Will you explain the issue in plain language?

Yes. We always take the time to explain your options clearly so you can make the right decision for your car.