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Troubleshooting Guide

Furnace Pilot Light Keeps Going Out

Resolving pilot light won't stay lit quickly means restoring your home comfort and preventing further issues. Our systematic diagnostic approach identifies the root cause so we can provide effective, lasting solutions.

Common Symptoms

Signs that indicate this problem

Pilot light goes out repeatedly
Pilot light is weak or yellow
Furnace works only when pilot is manually lit

Possible Causes

What might be causing this issue

Thermocouple failure

The thermocouple senses the pilot flame and may need replacement.

Dirty pilot orifice

A clogged pilot orifice produces a weak flame.

Drafts

Air drafts near the furnace can blow out the pilot.

Gas supply issues

Inadequate gas pressure can prevent proper pilot operation.

Frequently Asked Questions

Common questions about this issue

While pilot light won't stay lit usually isn't urgent, getting it checked sooner prevents bigger issues. Book an appointment when convenient.

The most common causes are Thermocouple failure, Dirty pilot orifice, Drafts. A proper diagnosis will identify exactly what's happening with your system.

With pilot light won't stay lit, you can safely check your filter, thermostat, and breaker. Beyond that, professional diagnosis is the wise choice.

Need Help With This Issue?

Our technicians can diagnose and repair this problem quickly and professionally.