How to Replace the Fuel Cap on a 2016 Toyota Camry (Fix EVAP Leak & Check Engine Light)
Step-by-step fuel cap replacement with tools, parts, safety tips, and what to do if the CEL stays on for 1999, 2000, 2001
How to Replace the Fuel Cap on a 2016 Toyota Camry (Fix EVAP Leak & Check Engine Light)
Step-by-step fuel cap replacement with tools, parts, safety tips, and what to do if the CEL stays on for 1999, 2000, 2001
🔧 Camry - Fuel Cap Replacement
Replacing the fuel cap is a quick job that helps prevent fuel vapor leaks and can stop EVAP-related warning lights caused by a weak seal. The main goal is to install a cap that seals correctly and clicks tight.
Difficulty Level: Beginner | Estimated Time: 0.1-0.3 hours
⚠️ Safety & Precautions
- ⚠️ Work in a well-ventilated area and keep away from sparks, cigarettes, or open flames.
- ⚠️ Turn the engine OFF before opening the fuel door.
- ⚠️ Do not top off the tank after the pump clicks off; it can damage the EVAP system.
- ⚠️ Battery disconnect is not required.
🔧 Required Tools
You'll need the following tools for this repair:
- Nitrile gloves
- Clean shop towel
- Flashlight
🔩 Required Parts
HowToo sells all the parts you need for this repair:
- Fuel cap (OE-style, tethered) - Qty: 1
📋 Before You Begin
- Park on level ground, shift to Park, and set the parking brake.
- Let the car sit 1–2 minutes with the engine off to reduce fuel vapor pressure.
- Have a clean shop towel ready to wipe the sealing surface.
🔨 Step-by-Step Instructions
Follow these steps in order:
Step 1: Open the fuel door
- Use your hand to pull the fuel door open on the driver’s side rear quarter panel.
- Use a flashlight if lighting is poor.
Step 2: Remove the old fuel cap
- Use your hand (with nitrile gloves) to turn the cap counterclockwise (left) until it comes off.
- If your cap has a tether (a small retaining strap), let it hang so it doesn’t scratch paint.
Step 3: Inspect and clean the sealing area
- Use a flashlight to look at the filler neck rim (the round surface the cap seals against).
- Use a clean shop towel to wipe away dust/grit from the rim.
- Clean sealing surface = better seal.
Step 4: Install the new fuel cap
- Align the new cap and thread it on by hand (clockwise/right).
- Tighten by hand until it clicks several times (typically 1–3 clicks) and feels secure.
- If the cap is tethered, make sure the tether isn’t twisted or pinched.
Step 5: Close the fuel door
- Press the fuel door closed with your hand until it latches flush.
✅ After Repair
- Start the engine and confirm there’s no fuel smell near the fuel door.
- If you had a Check Engine Light from a loose cap, it may take a few normal drive cycles to clear on its own. A scan tool can clear it immediately.
- Re-check the cap after your next fill-up: tighten until it clicks.
💰 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 0.1-0.3 hours.
🎯 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.
















