All Codes/P0302

Code P0302Immediate

Cylinder 2 Misfire Detected

Cylinder #2 isn't working right - your engine is limping along with reduced power and shaking.

Professional Service
Available
Category
ignition
Common In
Subaru Impreza

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Immediate Action Required

This issue can cause significant damage if ignored. Stop driving if experiencing severe symptoms.

Recommended Actions:

  • Pull over safely if engine is misfiring badly
  • Call for professional diagnosis immediately
  • Do not ignore flashing check engine light
  • Avoid highway driving until repaired

What This Code Means

The #2 cylinder is not firing properly, causing engine roughness.

"Cylinder #2 isn't working right - your engine is limping along with reduced power and shaking."

Common Causes

1

Bad spark plug in cylinder 2

2

Failed ignition coil for cylinder 2

3

Fuel injector problem cylinder 2

4

Compression loss in cylinder 2

5

Intake manifold leak near cylinder 2

Symptoms You May Notice

Noticeable vibration
Reduced acceleration
Rough idle
Increased emissions
Engine stumbling

Professional Diagnostic Steps

Our technicians will perform these checks:

Test spark plug and coil cylinder 2
Check fuel injector pulse
Compression test cylinder 2
Inspect for vacuum leaks

Commonly Affects These Vehicles

Subaru Impreza
Mazda3
Volkswagen Passat
Hyundai Sonata
GMC Sierra

Note: This code can appear in any vehicle. These are just the most common.

Repair Cost Breakdown

DiagnosisAvailable
Often waived with repair
PartsQuality Options
OEM or quality aftermarket
LaborProfessional Service
Professional installation
Total RangeCall for Quote

Why Choose Us?

  • ASE Certified Technicians
  • Latest Diagnostic Equipment
  • Warranty on All Repairs
  • Upfront, Honest Pricing
  • Same Day Service Available

Frequently Asked Questions About Code P0302

Can I keep driving with code P0302?

Reduce driving - continued misfiring damages expensive catalytic converter

How much will it cost to fix P0302?

The repair approach depends on the specific cause and your vehicle.The most common cause (bad spark plug in cylinder 2) usually costs on the lower end of this range.

Will code P0302 clear itself?

While the check engine light may turn off if the condition improves temporarily, the code will remain stored in your vehicle's computer. The underlying issue still needs to be addressed to prevent the code from returning and potentially causing damage.

Is P0302 covered under warranty?

Coverage depends on your vehicle's warranty status and the specific component that failed. Extended warranties may cover this repair.

Don't Guess - Get Professional Diagnosis

Code P0302 can have multiple causes. Our diagnostic process ensures we fix the right problem the first time.