🔧 Accord - Fuel Cap Replacement

Replacing the fuel cap on your Accord is a quick job that helps prevent fuel vapors from escaping and can stop an EVAP-related check engine light caused by a weak seal.

You’ll remove the old cap and install a new one that matches your Accord’s screw-on filler neck.

Difficulty Level: Beginner | Estimated Time: 0.1-0.2 hours

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⚠️ Safety & Precautions

• ⚠️ Work outside or in a well-ventilated area
• ⚠️ No smoking, flames, or sparks near the fuel door
• ⚠️ Turn the engine OFF before opening the fuel cap
• ⚠️ Don’t over-tighten—hand tight until it clicks

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🔧 Required Tools

You'll need the following tools for this repair:

• Nitrile gloves
• Shop towel
• Flashlight

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Fuel cap (screw-on, EVAP-sealing type) - Qty: 1

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📋 Before You Begin

• Park on level ground and shut the engine off.
• Make sure you’re away from open flames or hot work lights.
• Wipe dirt around the fuel filler area with a shop towel so debris doesn’t fall in.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Open the fuel door

• Use a flashlight if it’s dark.

Step 2: Remove the old fuel cap

• Put on nitrile gloves.
• Turn the cap counterclockwise by hand until it comes off.
• If your cap has a tether (the small strap that keeps it attached), let it hang.

Step 3: Inspect and clean the sealing surfaces

• Use a shop towel to wipe the rubber seal on the old cap and the rim of the filler neck.
• Look for cracks, flattening, or a hard/brittle seal on the old cap.
• Clean seal surfaces help prevent EVAP leaks.

Step 4: Install the new fuel cap

• Thread the new cap on by hand (clockwise).
• Tighten until you hear/feel it click. Hand-tight only—tighten until it clicks (do not use tools).

Step 5: Close the fuel door

• Make sure it latches fully.

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✅ After Repair

• If you had a check engine light from a loose/bad cap, it may take a few normal drive cycles to turn off on its own.
• If the light stays on after several trips, you’ll need the code read—there may be another EVAP leak.
• After your next fill-up, confirm the cap clicks and the fuel smell is gone.

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💰 DIY vs Shop Cost

Shop Cost: $40-$120 (parts + labor)

DIY Cost: $15-$45 (parts only)

You Save: $25-$75 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 0.1-0.2 hours.

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🎯 Ready to get started?

HowToo makes it easy: same-day/2-day shipping on every part, plus all the tools and specialty tools you need! Check out the parts and tools sections below to add everything to your cart.