Determining fault codes for your Ford is the first step toward diagnosing and repairing your vehicle. Once hooked to an automobile scanner, areas of your Ford that are not operating correctly or within normal limits will be revealed via a specific number code. Each code corresponds to a specific part or operating system within your Ford's engine. Trouble code 1131 on your Ford deals with the exhaust system.
Things You'll Need
- Oxygen sensor wrench
- Replacement oxygen sensor
Remove the rear oxygen sensor located near the catalytic converter using the oxygen-sensor wrench. You can buy one or rent one at most auto parts stores. There are two oxygen sensors. Code 1131 is for the one sensor closest to the catalytic converter.
Replace the rear oxygen sensor in your Ford with a new one.
Drive your car for about 15 minutes. The check engine light should go off, indicating that you have repaired the problem causing your Ford's 1131 fault code.
Tips & Warnings
- Never replace your oxygen sensore while your engine is still hot.
- Photo Credit Thinkstock/Comstock/Getty Images
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