Land Rover Discovery 4 P0103-17 & P2463-00 & P246B-00 скачать в хорошем качестве

Land Rover Discovery 4 P0103-17 & P2463-00 & P246B-00

Buy this scan tool here.. https://mythinkcar.com/?ref=dnnktcax 10% discount code JIMMYORILEY Diagnosing and Fixing Issues on a Land Rover Discovery 4 In this guide, we walk through diagnosing and fixing several common issues on a 2016 Land Rover Discovery 4, powered by a 3.0 V6 diesel engine. From identifying faulty sensors to cleaning a blocked diesel particulate filter (DPF), we break it all down step-by-step. Understanding the Initial Issues This Discovery 4 came in with a dashboard full of warnings, including: DPF Full Engine Warning Light Triangle Warning Symbol These warnings suggest a blocked DPF and other related performance issues. Using a diagnostic tool, we began investigating the underlying problems. Diagnostic Tool in Action To pinpoint the issues, we used the THINKSCAN 689 BT diagnostic tool, which scanned the vehicle's systems and modules. The scan flagged several fault codes, including: P2463: Particle filter pressure sensor circuit range/performance issue. HAP 01 03-17: Mass air flow circuit high input problem. NOx Exceedance: Likely due to a clogged DPF or low AdBlue levels. The primary concern was the blocked DPF. This happens when the filter is unable to regenerate itself. But what caused this issue? The scan pointed to a faulty mass air flow (MAF) sensor, which disrupts the engine's ability to manage air intake and emissions properly. Investigating the Mass Air Flow Sensors Land Rover's V6 engine features two MAF sensors: one for bank 1 and one for bank 2. It's important to distinguish between them to figure out which side is causing issues. Here’s what we did: 1. Checked real-time readings for both sensors. 2. Identified one sensor showing abnormally high readings, even with the engine off. 3. Switched the sensors between banks to confirm the fault followed the problematic sensor. The faulty sensor was confirmed as the source of the error, as its out-of-range values remained consistent when switched to the other bank. Finding and Fixing Air Leaks Before replacing the sensor, we checked for potential air leaks that could also trigger airflow errors. Using a smoke leak detector, we tested areas around the intake manifold and clips for any signs of leakage. No leaks were found in this case, confirming the issue was with the sensor itself. The faulty MAF sensor was replaced with one from NGK/NTK. After clearing the fault codes, the airflow readings returned to normal, resolving that part of the problem. Cleaning and Resetting the Blocked DPF Next, we needed to tackle the blocked DPF. A clogged DPF is a common issue in many diesel vehicles, especially if regeneration fails repeatedly. Here's how we sorted it: 1. Injecting DPF Cleaner: Using a DPF cleaning kit, we injected specialised fluid into the filter. 2. Revving the Engine: With the cleaner in place, we ran the engine at higher RPM to burn off soot in the DPF. 3. Monitoring DPF Pressure: Initial backpressure readings dropped significantly during this process, indicating the filter was clearing out. After cleaning, the diagnostic tool was used to reset the DPF values, marking it as "replaced" in the system. It's critical to clean the DPF before resetting, or you risk damaging it further. Topping Up AdBlue A low AdBlue level can trigger NOx exceedance codes. Once topped up, the diagnostic tool detected no further issues related to NOx levels, and the dashboard warnings cleared automatically. Taking It for a Spin After completing all repairs, we took the Discovery 4 out for a test drive. The car drove beautifully, with strong acceleration and a smooth ride, confirming all systems were functioning as expected. Why the Land Rover Discovery 4 Stands Out Having owned several Discovery models over the years, including the Discovery 4 for five years, this car stands out for its reliability and practicality. Many Discovery 4 owners report clocking high mileage without major faults, provided regular maintenance is performed. That said, there have been reports of crankshaft failures, often linked to poor maintenance or towing heavy loads. Changing oil on time and avoiding engine misuse can help prevent these issues. Unfortunately, the newer 2.0-litre Ingenium engines don’t share the same reputation, often criticised for poor reliability. Sticking with the tried-and-tested 3.0 V6 diesel is a safer bet for most buyers. Final Thoughts This 2016 Land Rover Discovery 4 is now back in top shape. The combination of fixing the faulty sensor, unclogging the DPF, and addressing AdBlue levels ensured the car was running smoothly again. Regular maintenance and addressing small issues early are key to keeping these workhorses reliable on and off the road. For anyone tackling similar issues at home, following systematic checks and using the right diagnostic tools can save you time and money. Got a Discovery 4? Treat it well, and it’ll serve you faithfully for years to come.