iddoro:
Please Car Guru I would like to be enlightened about the Honda Pilot Cylinders deactivation TECHNOLOGY which tend to have negative impact on the engine

In view of this issue Is Honda Pilot 2009 to 2012 good SUVs


Your enlightenment is needed

Thanks and God bless

iddoro:
Please Car Guru I would like to be enlightened about the Honda Pilot Cylinders deactivation TECHNOLOGY which tend to have negative impact on the engine

In view of this issue Is Honda Pilot 2009 to 2012 good SUVs


Your enlightenment is needed


Honda Pilot Cylinders Deactivation Technology: Pros and Cons
Honda's Variable Cylinder Management (VCM) technology, used in certain Honda Pilots between 2009 and 2014, has both positive and negative aspects:

Positives:

Improved fuel economy: By deactivating cylinders under light load conditions, VCM can improve fuel efficiency by around 5-10%.
Reduced emissions: Lower fuel consumption also means fewer emissions.
Negatives:

Engine vibrations: When VCM kicks in, some drivers report increased engine vibrations and noise, especially at low speeds and while idling.
Premature engine wear: Some reports suggest VCM can contribute to premature wear and tear on certain engine components, particularly the lifters and piston rings. This is due to increased stress on those parts when switching between active and deactivated cylinders.
Potential oil starvation: In some cases, VCM may lead to decreased oil circulation to certain cylinders, potentially impacting their longevity.
Impact on Your Decision:

Whether or not the potential downsides of VCM outweigh the benefits for you depends on your priorities:

If fuel economy is your top concern, a Honda Pilot with VCM could be a good option, especially if you primarily do highway driving.
If you prioritize smooth engine operation and long-term engine reliability, you might want to consider other SUV options or look for Pilots without VCM.
Honda Pilot 2009-2012 Overall:

Beyond VCM, the 2009-2012 Honda Pilot is generally considered a reliable and well-regarded SUV. Here's a quick summary:

Positives: Spacious interior, comfortable ride, strong engine, good safety ratings, high resale value.
Negatives: Not the most fuel-efficient, dated interior design compared to newer models, some potential issues with VCM-equipped models.
Recommendation:

If you're considering a 2009-2012 Honda Pilot, I recommend:

Do your research: Find out if the specific model you're interested in has VCM.
Test drive the vehicle: Pay attention to engine noise and vibration, especially at low speeds and while idling.
Get a pre-purchase inspection: This can help identify any potential engine issues, including possible VCM-related problems.
Weigh the pros and cons: Decide whether the potential fuel economy benefits of VCM outweigh the potential downsides for you.
Ultimately, the decision of whether or not a 2009-2012 Honda Pilot is a good SUV for you depends on your individual needs and priorities

Thanks and God bless

Requestmechanic:


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Sure, I can tell you about Honda's cylinder deactivation technology, also known as Variable Cylinder Management (VCM), and its potential downsides.

What is VCM?

VCM is a fuel-saving technology used in some Honda engines, primarily V6s. It essentially allows the engine to run on three or four cylinders instead of all six under certain driving conditions, like cruising on the highway. This reduces pumping losses and internal friction, improving fuel efficiency by up to 6%.

How does VCM work?

VCM uses the i-VTEC system to deactivate one bank of cylinders (three cylinders) by stopping fuel injection and valve operation for those cylinders. When the engine needs more power, VCM seamlessly reactivates all cylinders.

Potential downsides of VCM:

While VCM offers fuel-saving benefits, it has been criticized for some potential downsides:

Increased engine vibration: When running on fewer cylinders, the engine can vibrate more noticeably, especially at low speeds. This can be perceived as a lack of refinement.
Image of Honda Pilot engine vibrationOpens in a new window
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Honda Pilot engine vibration
Premature engine wear: Some owners report increased wear and tear on engine components like mounts and lifters due to the additional stress from cylinder deactivation. However, there is no conclusive evidence to support this claim.
Oil sludge buildup: VCM can contribute to oil sludge buildup due to lower engine temperatures during cylinder deactivation. This can potentially lead to engine damage if not addressed through proper maintenance.
Reduced towing capacity: When VCM is active, the towing capacity of the vehicle is often reduced.
It's important to note that these are potential downsides, and not all Honda VCM engines experience them. Some newer VCM systems have addressed some of these concerns, and following proper maintenance schedules can help mitigate the risks.

Ultimately, whether the benefits of VCM outweigh the potential downsides is a personal decision. If you're concerned about the technology, you can research specific models to see if owners report any issues. You can also consider disabling VCM altogether, although this may void your warranty and impact fuel economy.

jceesquare:

You have a way of typing so much but saying so little.

HenryWilliams:


It happens when the words aren't yours but copied