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Engine diagnostic service being performed with advanced scan tool at RSW Auto Repair in Kinnelon, New Jersey

Engine Diagnostics in Kinnelon, NJ | RSW Auto Repair

Professional engine diagnostics and check engine light service in Kinnelon, NJ. Advanced diagnostic equipment, accurate troubleshooting, and honest recommendations for all makes and models.

Professional Engine Diagnostics in Kinnelon, NJ

Check engine light on? Engine running rough? RSW Auto Repair provides accurate engine diagnostics for all makes and models in Kinnelon and Morris County. Our technicians use advanced diagnostic equipment and systematic testing procedures to identify the root cause—not just the symptoms—of engine problems.

📞 Call us today: (862) 895-6210

📍 Visit us: 1167 NJ-23, Kinnelon, NJ 07405

Why Choose RSW for Engine Diagnostics?

Advanced Diagnostic Equipment - Factory-level scan tools for accurate trouble code reading and live data analysis

Systematic Troubleshooting - We follow proven diagnostic procedures to identify root causes, not just replace parts

Clear Explanations - We explain what's wrong, why it happened, and what's needed to fix it properly

Digital Documentation - Photo and video documentation of engine issues when applicable

Honest Recommendations - We prioritize necessary repairs and clearly separate urgent from non-urgent issues

Expert Technicians - ASE-certified with specialized training in engine performance and diagnostics

Our Engine Diagnostic Services

Check Engine Light Diagnostics - Trouble code reading, analysis, and root cause identification

Engine Performance Diagnostics - Diagnosis of rough running, stalling, misfires, or loss of power

Emission System Diagnostics - Testing and repair of catalytic converters, oxygen sensors, and EVAP systems

Fuel System Diagnostics - Fuel pressure testing, injector diagnosis, and fuel pump evaluation

Ignition System Diagnostics - Spark plug, coil, and ignition timing diagnosis

Sensor Diagnostics - Testing of mass airflow, throttle position, camshaft, and crankshaft sensors

Computer System Diagnostics - PCM/ECM diagnosis and programming when needed

📞 Call (862) 895-6210 for engine diagnostics

Common Check Engine Light Causes

  • Loose or damaged gas cap
  • Faulty oxygen sensor
  • Catalytic converter failure
  • Mass airflow sensor malfunction
  • Spark plug or ignition coil failure
  • EVAP system leak
  • Thermostat malfunction
  • Transmission-related codes

A check engine light doesn't always mean major repairs. Many issues are minor and inexpensive to fix when addressed promptly. Our diagnostic process identifies exactly what's wrong so you can make informed decisions.

Our Diagnostic Process

When you bring your vehicle in for engine diagnostics, we follow a systematic approach:

Initial Scan - We retrieve all stored trouble codes and freeze frame data from your vehicle's computer

Visual Inspection - Physical inspection of related components, wiring, and connections

Live Data Analysis - Monitor sensor readings and system performance in real time

Component Testing - Direct testing of suspected failed components to confirm diagnosis

Root Cause Identification - Determine why the failure occurred to prevent repeat issues

Clear Recommendation - Explain findings and provide repair options with transparent pricing

Serving Kinnelon and Morris County

RSW Auto Repair provides engine diagnostic services throughout Morris County:

Kinnelon, NJ - Our facility at 1167 NJ-23, just off Route 23

Butler, NJ - 10 minutes south on Route 23

Bloomingdale, NJ - Easy access via Route 23 North

Riverdale, NJ - Short drive via local roads

West Milford, NJ - Serving northern Passaic County

Wayne, NJ - Convenient for Route 23 commuters

Ready to Schedule Engine Diagnostics?

Don't ignore your check engine light. Get accurate diagnosis and honest recommendations from RSW Auto Repair.

📞 Call: (862) 895-6210

📍 Visit: 1167 NJ-23, Kinnelon, NJ 07405

🕒 Hours: Mon – Fri | 8:00am – 5:00pm, Sat – Sun | Closed

Accurate diagnostics with transparent recommendations—no parts throwing, just proper troubleshooting.

What's Included

  • Factory-level diagnostic equipment
  • Systematic troubleshooting approach
  • Clear explanations of issues
  • Digital documentation when applicable
  • ASE-certified diagnostic specialists

Our Service Process

1

Retrieve trouble codes

2

Visual inspection

3

Live data analysis

4

Component testing

5

Root cause identification

6

Clear repair recommendations

Pricing

Call (862) 895-6210 for diagnostic service pricing
Call Today

Why Choose Us?

ASE-Certified Technicians

Expert service you can trust

Quality Parts

OEM and premium aftermarket

Warranty Coverage

Comprehensive protection

Transparent Pricing

No hidden fees

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