Answer
Apr 12, 2025 - 07:34 AM
To determine if your DEF (Diesel Exhaust Fluid) injector is bad, look for signs such as a check engine light, poor engine performance, or reduced fuel efficiency. Additionally, you might notice increased exhaust emissions or a DEF warning light on your dashboard, indicating issues with the DEF system. If you experience these symptoms, it’s advisable to have a professional diagnostic performed to confirm the problem.
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