Frequently Asked Questions On RON95 Petrol – by Honda Malaysia
August 26, 2009
Honda Malaysia has released this list of frequently asked questions by owners of both Honda’s and other marques. The introduction of RON 95 is just a couple days away so this list should help you understand your car and the new fuel better. Except for the Civic Type R, all other models are compatible with RON 95.
1. What exactly is RON?
RON stands for Research Octane Number, which measures the quality of fuel. It represents the fuel’s ability to resist premature & uncontrolled combustion that occurs when fuel pre-ignites before the ignition spark plug.
2. What is engine knocking?
Engine knocking is caused by self-ignition of the fuel or air mixture, which is a result of using RON levels that is lower than the minimum requirement.
3. What is the minimum RON requirement of my Honda Car?
For all Honda cars produced in year 2001 onwards, the minimum RON requirement is 91. Honda cars are equipped with ‘Knock Sensors’ that detect the octane quality of the fuel used, enabling it to automatically adjust spark timing to prevent engine knocking.
We advice drivers that bought their cars from non-authorised dealers to check their owner’s manual for minimum RON requirement.
4. Type-R RON Issue
It is recommended to use RON97 for Civic Type R because of its high performance engine, as it was tested in Japan with RON100 for optimum engine performance. Please note that this engine version with knock control can also run on fuel with a minimum octane number of 91; but performance and fuel consumption are affected as a result.
5. What is a Knock Sensor? Are all Honda cars equipped with Knock Sensors?
A knock sensor is a detector, which identifies engine knocking during spark ignition. When engine knocking occurs, the knock sensor signals the engine operation to slow down the ignition timing that will eliminate the knock, which may result in some power loss.
All Honda cars are equipped with Knock Sensor.
6. What fuel should I use & what RON works best for my car?
As long as the fuel used is not below the minimum RON requirement (RON91), it will be appropriate for all Honda Cars.
7. What is the effect to the engine if petrol of a different RON is mixed together?
As long as the fuel meets or exceeds the minimum RON required by the engine, mixing is fine & should not damage your engine. (except Civic Type R, recommended RON97). However, do note that different fuel brands come with different levels & types of additives, so mixing different fuels may not provide the optimum performance & efficiency for your vehicle.
8. Do I have to always pick the highest octane rating petrol for my vehicle?
Anything above the minimum RON requirement, which is RON91 for all Honda cars will be appropriate. (except Civic Type R, recommended RON97).
9. Will there be a reduction of fuel efficiency & performance with the use of RON95 from RON97?
The efficiency & performance will not be affected if the car uses above its minimum requirement RON which is RON91 for all Honda Cars. (except Civic Type R, recommended RON97). Loss of power & fuel efficiency will only occur when the minimum RON requirement is not met as the knock sensor signals the engine operations to retard its spark timing to eliminate engine knock.
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i agree..but i more likely to use Higher RON..but at my nearest location all the station now switching to 95 n stop selling the 97 or v-power for a while..why huh? i need 97..huhu..sad..
for my current car i think i have no choice but to use RON 97 as RON 95 will be like feeding poison to my car…will have to test it out first though but i think i won’t like the result
for engine b18cr can use RON 95 or not???
Haha.. see how many times they repeat “(except Civic Type R, recommended RON97)”…haha… i guess the Type R REAAALLY needs RON 97!
Mine is Type Z..Honda City 2nd generation…how arrr?
Sam, except Civic Type R lo ….
Tested RON 95 on my 2008 Altis, result car totally no power at all and fuel comsuption even higher, I dare not use in my Accord.
i guess the government is tryin to tear down our cars so that we cud buy buatan malaysia cars which maybe can drive on ron91 and below also ><
which makes our imported cars spoil faster ~ zzz
acceptable price i suggest
ron 95 -1.6
ron 97 -1.9
v-power -2.0
Since Ron95=RM1.85/L and Ron97=RM2.05/L, the difference is approx. 11%. Base on data collected on 1500cc car, it is confirmed that Ron95 pertrol consumption is higher than Ron97. Hence Ron 95 is less efficient.
So at the end, the milleage vs price diffence in between Ron95 and Ron97 is merely only approx 2%. Your may validate your own car and share it.
Malaysia Government Boleh, good in manipulating figure and indirectly transfer the cost to consumer. Still dare to publish in front of Media saying that they are genuine, not cheating and xxxxx
So, observe, get data, calculate and compare it. Then you will find out the answer.
better use RON 97.. event expensive than RON95.. but interm of quality and also u can save more… i use ron97.. i can go up to 500 km with my city v-tec
Which one is better used? RON95 or RON97? Is it higher price per liter means better quality than other? I’m using CRV… which one recommended by honda?
Ron95 is crap….wateva car u driving, u will get less mileage..G is making rakyat pay for crap..
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The person from Honda who wrote the FAQ MUST be a marketing person. I dare to challenge them to test all their cars with RON95 and RON97 under a dyno machine. They will see a big different in term of power generated by RON97 and RON95.
For fuel consumption test, Run a consistent test on a same track with same weather condition. I bet they will find out the consumption difference between RON97 and RON95.