
Dongfeng Honda has officially announced a solution for the Honda CR-V engine oil dilution issue. Here are the details regarding the Honda CR-V engine oil dilution problem: 1. Solution Overview: Dongfeng Honda announced: To reduce oil dilution, ECU upgrades will be performed, and a recall of CR-V models is being prepared; The oil dipstick calibration marks will be adjusted—the upper and lower limits remain unchanged, but additional markings will be added to confirm oil level increases; Additionally, the user manual will be revised. 2. Impact: The consequences of this issue range from minor engine noise to severe lubrication failure leading to cylinder scoring. It is understood that the root cause lies in overstressing the engine's performance, particularly the "multi-point injection" fuel delivery logic. The engine's ECU controls two "pre-injection" cycles, but due to unpredictable weather variations in central China and calibration errors, gasoline mixes with the engine oil, causing oil dilution. This necessitates recalibration of the engine's ECU.

Regarding the oil dilution issue with the Honda CR-V, I believe it has been largely resolved. The problem mainly occurred when the engine was driven short distances in cold weather, causing incomplete fuel combustion that mixed gasoline into the engine oil. I heard that Honda initiated a recall in 2018, providing software updates for affected CR-V models to optimize fuel injection timing and hardware improvements, such as adjusting the piston ring design. Many owners of newer CR-V models now report that the issue has been significantly mitigated. However, from my personal perspective, if you own an older 2017 or 2018 model, it's best to regularly check the dipstick to monitor the oil level or detect any gasoline odor. Avoiding frequent short-distance starts can also help reduce the risk. If any abnormalities are noticed, it's advisable to visit an authorized dealership for diagnosis, especially since Honda continues to offer free repair services. Overall, the corrective measures have been quite effective, and newer models rarely face such complaints anymore.

As someone who experienced the Honda CR-V oil dilution issue firsthand, I can speak with authority on this matter. The 1.5T engine in early models was indeed prone to this problem, especially during winter urban short-distance driving where gasoline would increasingly mix with engine oil. The good news is that Honda promptly acknowledged the issue and implemented solutions: core problems were addressed through OTA software updates and hardware modifications. From monitoring owner forums, I've observed significant improvements in CR-Vs manufactured after 2019, with substantially fewer complaints. Based on my experience, if you're concerned about your vehicle, I recommend regularly checking the oil's color and odor. Should you notice increased oil levels, don't ignore it - prolonged conditions could lead to engine wear. It's worth noting that Honda's recall service remains available for application, providing solid assurance. Driving habits matter too - try highway driving to properly warm up the engine and prevent oil accumulation. The newer Honda models have effectively optimized this bug.

I think the oil dilution issue with the Honda CR-V is mostly under control now. Essentially, it was caused by poor fuel atomization in turbocharged engines under low temperatures, leading to oil dilution, which Honda addressed through technological improvements. I recommend owners start with simple checks: measure the oil dipstick every 1,000 kilometers—if the level is abnormally high or there's an unusual odor, there might still be residual issues. For affected older models, the manufacturer's software updates have been quite effective, fixing the ECU control mechanism, while newer models were designed to avoid this flaw from the outset. From multiple perspectives, although the issue drew significant attention early on, Honda responded quickly with extensive recalls. For safety, don’t forget regular maintenance—overall, this car remains reliable.


