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The Ford Ranger is a rugged favorite across Australia and New Zealand, but when warning lights appear, quick diagnosis is key. Ignoring them can lead to costly repairs or even breakdowns.
So next, we will explore 3 Ford Ranger warning lights, their causes, and how to use FairTools' affordable OBD2 scanning tool for diagnosis and reset.
The engine warning light, often referred to as the "check engine" light, is one of the most common warning indicators on your Ford Ranger. It can illuminate for various reasons, ranging from a loose gas cap to more serious engine issues.
✅ XTOOL XT80W – 8 inch wireless scanner with full-system diagnostics & ECU Coding
✅ Launch X431 PAD VII – 13.3 inch comprehensive ECU Programming diagnostic tool
The DPF (Diesel Particulate Filter) warning light is a common alert on modern diesel vehicles, including the Ford Ranger. It signals that the exhaust after-treatment system is unable to properly regenerate or clean itself — and action is needed to avoid performance issues or engine damage.
We can use automotive diagnostic equipment to do DPF Regeneration and help identify the source of the problem, fix and clear the fault code after finding the problem.
✅ Launch CRP239 – Supports 4 system diagnosis and 8 reset functions
✅ Autel MX808S –7 inch bi-directional scan tool
The light typically comes on every 10,000–15,000 km or 6–12 months, depending on your driving conditions and service settings.
It may be triggered by: mileage interval reached, Oil life monitor detecting degradation (on newer models with intelligent monitoring), Time-based trigger (for long idle/fleet vehicles)
⚠️ While this light is not an emergency, ignoring it can lead to engine wear, poor performance, or even oil-related faults.
Check the oil level using the dipstick. If the oil is low, top it up using the correct oil grade recommended in your owner’s manual. If the oil is dirty, it may need to be changed.
Use manufacturer-recommended oil grade, reset the maintenance reminder using the dashboard buttons or a scan tool.
If the light remains after a service, a scan tool may be needed to reset it.
✅ Launch CRE901 – Select 1 make software or 1 reset function
✅ Autel AP200 – Bluetooth OBD2 code reader
Warning lights are your Ranger’s way of asking for help. Whether it’s the engine light, DPF light, prompt action is key. If you need our help about the product, please feel free to contact us at any time
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