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2012 Toyota Camry
1999 - 2001 Toyota Camry
Inline 4 2.2L
Compatible with more variants.
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  • Guides
  • Toyota Camry
  • 2012
  • How to Replace the Fuel Cap on a 2012 Toyota Camry (Fix EVAP Leak & Check Engine Light)
How To Change Gas Cap / 2012 Toyota camry se diy

How To Change Gas Cap / 2012 Toyota camry se diy

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Nitrile
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Gloves
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How to Replace the Fuel Cap on a 2012 Toyota Camry (Fix EVAP Leak & Check Engine Light)

Step-by-step fuel cap replacement with safety tips, required tools/parts, and what to expect after the repair for 1999, 2000, 2001

How to Replace the Fuel Cap on a 2012 Toyota Camry (Fix EVAP Leak & Check Engine Light)

Step-by-step fuel cap replacement with safety tips, required tools/parts, and what to expect after the repair for 1999, 2000, 2001

Orion
Orion

đź”§ Camry - Fuel Cap Replacement

Replacing the fuel cap is a quick job: you remove the old cap and install a new, correct-fit cap until it clicks. A damaged or wrong cap can cause fuel vapor leaks and may turn on the Check Engine Light (EVAP system leak).

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


⚠️ Safety & Precautions

  • â›˝ Work in a well-ventilated area; fuel vapors are flammable.
  • 🔥 No smoking, sparks, or open flames near the fuel door.
  • đź§Ż Turn the car fully OFF (make sure the dash says OFF, not READY).
  • 🧤 If fuel is present on the cap, avoid skin/eye contact; wipe spills immediately.

đź”§ Required Tools

You'll need the following tools for this repair:

  • Nitrile gloves
  • Clean shop towels
  • Flashlight

🔩 Required Parts

HowToo sells all the parts you need for this repair:

  • Fuel cap (OEM-style, tether-compatible) - Qty: 1

đź“‹ Before You Begin

  • Park on level ground and set the parking brake.
  • Turn the car OFF and remove the key fob from the cabin (keep it a few feet away).
  • If you just drove, wait a minute so any tank pressure can stabilize.

🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Open the fuel door

  • Use the flashlight if needed to see the lever area.
  • Pull the fuel door release lever (near the driver’s seat) and open the fuel door by hand.

Step 2: Remove the old fuel cap

  • Use nitrile gloves to keep fuel off your hands.
  • Turn the cap counterclockwise until it comes off.
  • If the cap is tethered, let it hang or place it in the holder on the fuel door (if equipped).

Step 3: Inspect the sealing area

  • Use a clean shop towel to wipe the filler neck sealing surface (the smooth rim where the cap seals).
  • Check that the old cap’s rubber seal (O-ring) isn’t stuck on the filler neck.
  • Clean and dry seals help prevent EVAP leaks.

Step 4: Install the new fuel cap

  • Thread the new cap on clockwise by hand.
  • Tighten until you hear/feel it click (typically 1–3 clicks). Do not force it past normal clicking.

Step 5: Close the fuel door

  • Close the fuel door firmly until it latches.
  • Use the flashlight to confirm it’s fully closed and flush.

âś… After Repair

  • Start the car and confirm there’s no fuel smell near the fuel door.
  • 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 may need a code scan to confirm there isn’t another EVAP leak.

đź’° DIY vs Shop Cost

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

DIY Cost: $15-$40 (parts only)

You Save: $25-$80 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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