HONDA CRV 2.2 DPF Blocked Error But No Fault Codes? скачать в хорошем качестве

HONDA CRV 2.2 DPF Blocked Error But No Fault Codes?

for business enquiries only. email orileysautos@gmail.com Honda CR-V 2.2 i-DTEC DPF Error With No Fault Codes: The Oil-Related Fix A Honda CR-V 2.2 i-DTEC diesel comes in with a familiar complaint, the DPF warning keeps beeping on the dash. The owner has already had the DPF cleaned a couple of times, yet the message always returns. The odd part is this: the scan shows no fault codes at all. This job is a good reminder that a DPF light doesn't always mean a failed DPF. Sometimes the car is blocking regeneration for a different reason. What the driver sees, and why it's so confusing Inside the car, the push-button start brings up the DPF message straight away, along with the beeping alert. Besides that warning, the car gives very little away. Common signs in this case: DPF warning symbol and beeping message DPF has been cleaned before, but the warning returns No obvious drivability complaint mentioned, just the repeated warning The frustrating bit for owners (and many garages) is that the car doesn't clearly explain what's stopping the system from sorting itself out. Under the bonnet: 2.2 i-DTEC diesel, and a clean scan With the bonnet up, this CR-V is running the 2.2 i-DTEC diesel. A full vehicle scan is carried out, including the engine and other modules. No logged faults anywhere. That lack of codes often pushes people towards repeated DPF cleans, because the dash says DPF, so the DPF must be the issue. On these vehicles, that can be a costly dead end. Live data checks that point to restriction, and an oil issue Live data tells more of the story. The test is simple: 1. Hold the engine at about 3,000 rpm. 2. Check the differential pressure readings. 3. Compare that with pressure at idle. At roughly 3,000 rpm, readings sit around 268 mbar and 232 mbar (two values are shown). At idle, it's roughly 20 to 22 mbar. That suggests restriction, so cleaning makes sense. However, another clue appears in the data: an oil contamination related parameter is present, yet there's no clear "change oil" warning. The car can disable DPF regeneration if it thinks the oil is contaminated, even if the DPF itself isn't the root problem. Cleaning the DPF on this CR-V (sensor hose and foam method) The DPF pressure sensor setup on this vehicle uses a single pipe, plus another opening that reads atmospheric pressure. The pipe is removed at the sensor (clip off, twist and pull). A DPF cleaning gun is connected and filled with foam fluid (Launch UK DPF clean fluid), then fed by compressed air at 131 PSI. The foam is pushed into the DPF and left to sit for a couple of minutes before reconnecting everything. Launch UK products used are available via Launch Tech UK product information https://www.launchtech.co.uk Pressure after cleaning improves, but the DPF light stays on After reconnecting, the numbers improve a lot. At around 3,200 rpm, differential pressure drops from 200+ mbar down to about 40 to 52 mbar. At idle, it sits around 0 to 2 mbar (the two readings still don't match, but both are now in range). The data also shows 437 miles since the last successful regen. Even with those healthy figures, the dash still shows a DPF error, and the scan still shows no DPF fault code. Oil change, then the reset that actually clears the warning Next comes the oil service. The oil filter is removed and it's visibly distorted, a sign it hasn't been changed in a while. The sump plug is 17 mm, the oil drains, and a new filter goes in. Fresh oil is added, 5.9 litres, then the dipstick is checked and topped up in small amounts. After the oil change, the warning still remains, so the car needs to be told the service has been done. A normal service light reset attempt doesn't clear it, and the manual trip reset method (CR-V 2012 to 2016 guidance) doesn't remove the DPF warning either. The fix is in the scan tool's special functions: Run Replace particle filter Reset the particle mass value Read and write the engine oil life data Once the particle mass reset completes, the DPF light finally goes out. After starting the engine again, all warnings are gone. The takeaway for CR-V owners (and why this design causes repeat visits) Honda's strategy can protect the engine by stopping regen when it thinks the oil isn't safe. Still, it also creates a headache because the car doesn't plainly say, "change the oil to restore DPF regen." If you need help with a blocked DPF service, contact O'Rileys Autos at orileysautos@gmail.com website www.orileysautos.com In short, the fix here wasn't just cleaning the DPF, it was restoring the conditions for DPF regeneration by changing the oil and carrying out the correct reset. Launch UK products used in the video are available at www.launchtech.co.uk