Professional Engine Diagnostics in Shoreline & North Seattle
Accurate answers. Honest advice. ASE-certified technicians since 1982.
When your Check Engine Light comes on, don’t panic — but don’t ignore it.
At Chuck’s Auto Repair – Shoreline, our ASE-certified diagnostic specialists use the latest computer scan tools and OEM software to pinpoint exactly what’s wrong.
From minor sensor issues to complex engine misfires, we’ll find the cause and fix it right the first time.
We’re trusted by Shoreline, North Seattle, and Lake Forest Park drivers for fast, transparent, and accurate diagnostics — without the dealership markup.
📞 Call (206) 368-0980 or Schedule an Engine Diagnostic Appointment Online.
Common Check Engine Light Causes
Your Check Engine Light could be triggered by something simple — or something serious.
Our technicians will quickly identify the issue. Common causes include:
- Faulty oxygen (O₂) or mass airflow sensors
- Loose or damaged gas caps
- Catalytic converter issues
- Spark plug or ignition coil problems
- Vacuum or fuel delivery leaks
- Engine misfires or timing problems
💡 We’ll explain the cause clearly and only recommend the repairs your car actually needs.
Our Engine Diagnostic Process
Every vehicle gets a comprehensive diagnostic inspection, including:
- Computer scan for error codes (OBD-II)
- Live data stream analysis while the engine runs
- Component & circuit testing for accurate pinpointing
- Visual inspection of related systems
- Repair estimate and priority ranking (safety, performance, emissions)
✅ We use advanced tools for all brands — including Toyota, Honda, Ford, Subaru, BMW, Audi, Lexus, and more.
Why Choose Chuck’s for Engine Diagnostics
- 👨🔧 ASE-certified technicians with advanced diagnostic training
- 🧰 Dealer-level scan tools for precise troubleshooting
- 🏆 AAA-approved & family-owned since 1982
- 💬 Hundreds of 5-star reviews for accuracy and integrity
- 🚗 Convenient Shoreline location serving all of North Seattle
“We don’t guess. We test.”
Related Engine Repair & Maintenance Services
- Engine tune-ups and performance testing
- Emissions system diagnostics
- Fuel injection service
- Ignition system repair
- Cooling system testing
- Timing belt & chain inspections
Schedule Engine Diagnostics in Shoreline Today
If your Check Engine Light is on — or your car just isn’t running right — get it checked by the experts at Chuck’s Auto Repair – Shoreline.
We’ll give you clear answers, accurate estimates, and fast solutions.
📞 Call (206) 368-0980 or Book Online Today.