I have a 2015 RT, and after I put in RON89 gasoline by mistake, the engine started to have poor revs. I've now switched to RON96 gasoline, but it's still not revving properly. I've tried disconnecting the battery, and idling the engine for 10 minutes, but it didn't improve. Can someone please give me some advice on the cause and how to fix it?
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Abnormal throttle revving after using RON89 gasoline, please help!
- Thread starter eriokko
- Start date
Bfromla
Well-known member
Full tank? Understanding the RON same as our octane ratings here. Spyder computer will sense & adjust accordingly. The throttle delay might be something else & just noticing. How many miles/kilometers? Maybe ready for a fuel/air filter, throttle body cleaning. Could also just be bad gas, siphon out if you like or just keep adding fresh, might just have let it run it course till cleansed. Some additives might help like Berryman B-12.
The RON octane rating of the fuel you used is very, no... EXTREMELY unlikely to be the root cause of your poor revs/any difficulty revving, because the computers on these things are more than capable of handling just about any octane fuel between 85 and 98/100, altho it might retard or advance the spark &/or injection a little to compensate and you juuust might be able to detect a small difference in power output. But there are MANY tens of thousands on the Forum from the US who are successfully running gas ranging from 85 thru 95+ (in the US, they use AKI (Anti-Knock Index) octane rating, which is determined by taking the average of MON (Motor Octane Number) and RON) without ANY issues; and here in Oz, there are thousands running 87 thru 98 RON just as successfully - so it most likely wasn't the 89 RON part of the gas that did this! :lecturef_smilie:
However, if the fuel you put in was dirty or otherwise contaminated, that is much more likely to cause the issues you describe!! It could also be that you/your Spyder have/has been slowly working toward this for a while, and topping up the tank was just coincidental with the final 'failure' or maybe something like the blockage of a fuel filter; a vapour lock; a spark plug failure; or whatever... :dontknow:
I'd suggest that you first try looking into your tank, maybe even sucking some gas out to see if there's anything evident that way, and if not, then try adding some fuel conditioner to your gas tank, something that might help disperse any water or soluble contaminants, and see how things go from there... Good Luck! :cheers:
However, if the fuel you put in was dirty or otherwise contaminated, that is much more likely to cause the issues you describe!! It could also be that you/your Spyder have/has been slowly working toward this for a while, and topping up the tank was just coincidental with the final 'failure' or maybe something like the blockage of a fuel filter; a vapour lock; a spark plug failure; or whatever... :dontknow:
I'd suggest that you first try looking into your tank, maybe even sucking some gas out to see if there's anything evident that way, and if not, then try adding some fuel conditioner to your gas tank, something that might help disperse any water or soluble contaminants, and see how things go from there... Good Luck! :cheers:
BajaRon
Well-known member
Peter has a point. It's not the octane which created this problem.
Change your fuel filter. It's a cheap and easy way to see if your problem lies in the dirty fuel range. Thought if you have too much dirt, your filter will just clog again. Still, even a temporary improvement will point you in the right direction.
If your injectors have gotten clogged, that will be a more difficult problem to correct.
Change your fuel filter. It's a cheap and easy way to see if your problem lies in the dirty fuel range. Thought if you have too much dirt, your filter will just clog again. Still, even a temporary improvement will point you in the right direction.
If your injectors have gotten clogged, that will be a more difficult problem to correct.
FrogmanDave
Active member
Water in the gas.
TheMariner
Active member
Look at the easiest to fix thing first... which is water in the fuel. Try adding about 400ml of denatured alcohol (a.k.a. ethanol or possibly "Nen-ryo yoh Alcohol" in Japan) per full tank of fuel in your Spyder. The alcohol absorbs the water & is in turn absorbed by the fuel... allowing it to be burnt in your engine.
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