🔧 Accord - Fuel Cap Replacement

You’ll remove your old fuel filler cap and install a new one that seals correctly. A good seal prevents fuel vapor leaks and can help avoid a check engine light caused by an EVAP leak.

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

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⚠️ Safety & Precautions

• ⚠️ Work outside or in a well-ventilated area; fuel vapors are flammable.
• ⚠️ No smoking, flames, or sparks near the fuel door.
• ⚠️ Turn the ignition OFF before opening the fuel door.
• Battery disconnect is not required.

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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 filler cap - Qty: 1
• Fuel cap tether/retainer (if broken) - Qty: 1

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📋 Before You Begin

• Park on level ground and shift to Park.
• Turn the ignition OFF and remove the key.
• Have a shop towel ready to wipe dust from the filler neck.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Open the fuel door

• Use the fuel door release lever near the driver’s seat to pop the fuel door open.
• Use a flashlight if it’s dark so you can see the sealing surfaces clearly.

Step 2: Remove the old fuel cap

• Turn the cap counterclockwise until it comes off.
• If it’s attached to a strap (tether), let it hang or place it in the cap holder on the fuel door area (if equipped).
• Wipe the filler neck sealing area with a shop towel if it’s dusty or gritty.

Step 3: Transfer the tether (if applicable)

• If your new cap does not include a tether, move the tether from the old cap to the new cap (it typically snaps into place).
• Tether = the small strap that prevents losing the cap.

Step 4: Install the new fuel cap (tighten correctly)

• Thread the new cap on by hand, turning clockwise.
• Keep turning until you hear/feel it click. Tighten until it clicks at least 1 time (don’t force it beyond normal clicking).

Step 5: Close the fuel door

• Close the fuel door firmly until it latches.

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✅ After Repair

• Start your Accord and confirm there’s no fuel smell near the fuel door.
• If you replaced the cap because of a check engine light, the light may take a few normal drives to turn off on its own after the system re-tests.
• If the light stays on, you may need the codes read to confirm there isn’t another EVAP leak.

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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.