1. What is P3008?

P3008 indicates a cylinder 1 misfire. This means incomplete combustion in cylinder 1 due to ignition, fuel, or compression issues. If ignored, misfires can damage the catalytic converter and reduce power.

Symptoms include rough idle, check engine light, and reduced acceleration. Timely diagnosis prevents costly repairs.

2. Common Causes

• Faulty Ignition Coil or Spark Plug – Common in Ford Explorer EcoBoost engines.
• Clogged Fuel Injector – Often seen in Chevrolet Malibu 1.5L turbo.
• Vacuum Leak – Leads to air/fuel imbalance in Volkswagen Jetta 1.4T.
• Low Compression – Caused by worn piston rings or valves.
• ECM Software Glitch – Certain models need reprogramming.

3. Key Symptoms

• Check Engine Light with stored P3008
• Rough idle and vibration
• Reduced acceleration
• Fuel consumption increase
• Possible stalling at low RPM

4. Models Affected

• Ford: Explorer 2.3L EcoBoost, Escape 1.5L EcoBoost
• Chevrolet: Malibu 1.5L Turbo, Equinox 2.0T
• Volkswagen: Jetta 1.4T, Tiguan 2.0T

Search trend: “P3008 cylinder 1 misfire Ford” and “P3008 misfire diagnosis Volkswagen Jetta” are common long-tail queries.

5. Diagnostic Steps with UR800

The ICARZONE UR800 scanner is designed for advanced misfire analysis in Ford, Chevrolet, and Volkswagen.

• Step 1: Scan for DTCs and confirm P3008.
• Step 2: Review live misfire counters in UR800 data stream.
• Step 3: Check ignition coil, spark plug, and injector health.
• Step 4: Perform compression/leak-down test if needed.
• Step 5: Reflash ECM if UR800 indicates outdated software.

6. Fixes & Execution

• Replace spark plug and ignition coil
• Clean or replace clogged injector
• Fix vacuum leaks in intake system
• Repair low compression issues
• Update ECM software

7. Repair Costs & Tips

• Spark plug & coil: $120–$250
• Fuel injector replacement: $150–$350
• Compression repair: $500–$1200
• ECM update: $50–$100
• Labor varies by brand/model

8. Preventive Maintenance

• Replace spark plugs every 40,000–60,000 miles
• Use top-tier fuel to prevent injector clogging
• Check ignition coils annually
• Monitor live misfire data with UR800
• Keep ECM updated

9. Frequently Asked Questions

10. Summary

P3008 indicates Cylinder 1 Misfire. It may be caused by faulty spark plugs, ignition coils, injectors, or compression issues. Use ICARZONE UR800 for accurate diagnosis and timely repair to restore performance.