Engine Diagnostics in Chicago 60613
Advanced computer diagnostics • Check engine light repair • Same-day service
Professional Engine Diagnostics
When your check engine light comes on, don't panic. At J and A Auto Repair, we use state-of-the-art diagnostic equipment to quickly identify engine problems and provide accurate, affordable solutions.
Our ASE-certified technicians have extensive experience with all makes and models, with special expertise in European vehicles. We provide detailed diagnostic reports and transparent pricing for all repairs.
⚠️ Common Engine Warning Signs:
- • Check engine light is on
- • Rough idling or stalling
- • Poor fuel economy
- • Loss of power or acceleration
- • Unusual engine noises
Diagnostic Services
Free Second Opinion: Bring us your diagnostic report from another shop and we'll verify the diagnosis at no charge.
Our Diagnostic Process
Comprehensive engine analysis in 4 simple steps
Initial Consultation
We discuss your symptoms and driving concerns to understand the problem.
Computer Scan
Advanced OBD-II scanning retrieves diagnostic trouble codes from your engine.
Physical Inspection
Visual inspection of engine components to identify potential issues.
Detailed Report
Complete diagnostic report with recommended repairs and transparent pricing.
Common Engine Problems We Diagnose
Check Engine Light
Oxygen sensors, catalytic converter, mass airflow sensor issues
Fuel System Problems
Fuel injectors, fuel pump, fuel filter diagnostics and repair
Ignition System Issues
Spark plugs, ignition coils, distributor problems
Engine Overheating
Thermostat, radiator, water pump, cooling system diagnosis
Emissions Problems
EGR valve, PCV system, emission control diagnostics
Engine Performance
Rough idle, misfires, power loss, acceleration problems
Why Choose J & A for Engine Diagnostics?
Advanced Equipment
Latest diagnostic scanners and testing equipment
Expert Technicians
ASE-certified with European vehicle expertise
Detailed Reports
Comprehensive diagnostic reports with photos
Fair Pricing
Transparent pricing with no hidden fees
Engine Diagnostics FAQ
How long does engine diagnostics take?
Most diagnostic scans take 30-60 minutes. Complex issues may require additional testing time, but we provide time estimates upfront.
Can I drive with my check engine light on?
It depends on the issue. A steady light usually means you can drive carefully to our shop. A flashing light indicates a serious problem - stop driving immediately.
Do you work on European vehicles?
Yes! We specialize in European vehicles including BMW, Audi, Mercedes-Benz, and Volvo. We have the specialized diagnostic equipment for these brands.
What if the diagnostic shows multiple problems?
We prioritize repairs by safety and cost-effectiveness. We'll explain each issue and help you decide which repairs to address first within your budget.
Engine Diagnostics Service Areas
Serving Chicago's North Side neighborhoods
Located at 4008 N Ravenswood Ave, Chicago, IL 60613 - Easy access from Lincoln Avenue, Western Avenue, and Lake Shore Drive
Don't Ignore Your Check Engine Light
Get professional engine diagnostics today - most issues diagnosed same day
Located at 4008 N Ravenswood Ave, Chicago, IL 60613 • Open Monday - Sunday: 9:00 AM - 6:00 PM