knock correction?????
19 February 2006, 06:40 PM
#1
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knock correction?????
i have noticed that for the first time today that my secs monitor is showing up to 2.5 degrees correction,could it be the weather?
i didnt notice it this morning,filled up with fuel (optimax as normal) and then noticed it this afternoon.could it be fuel related?.one thing i did notice at the garage where i filled up most of the pumps were closed,could the fuel at the pumps be picking up water at the bottom of the tank if they were running low?.
could this have any effect.?????????
i didnt notice it this morning,filled up with fuel (optimax as normal) and then noticed it this afternoon.could it be fuel related?.one thing i did notice at the garage where i filled up most of the pumps were closed,could the fuel at the pumps be picking up water at the bottom of the tank if they were running low?.
could this have any effect.?????????
19 February 2006, 07:03 PM
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Originally Posted by DaveW
Chuck a bit of octane booster in it, that will show if its fuel related.
I had a really bad batch of fuel recently and needed a full bottle of NF
I had a really bad batch of fuel recently and needed a full bottle of NF
ive just been reading about knocklinks and it seems bad fuel may be the problem.
19 February 2006, 09:30 PM
#5
Yeah-it should be showing added advance without knock-SECS in my bugeye shows as much as 9.5deg adv in different parts of the revrange.It only shows a max of 3deg (on medium/full throttle) if the ecu has just been reset, ie a safe level to start the learning cycle-as time goes on, if it doesnt see any det then it will add a bit more advance till it picks up a bit of det and then backs the advance off to a max safe level.
Theres a hell of a difference in power between 3 and 9.5adv.
If yours is staying at 2.5deg max, then theres a possability its seeing some det.
Best thing to do is to get someone to look at the display to see what it does while you accellerate in 3rd or 4th from about 2k revs.If the adv stays at 2.5max then reset the ecu and try again after a few hours of driving(so it can learn its adv parameters again).
Gary.
Theres a hell of a difference in power between 3 and 9.5adv.
If yours is staying at 2.5deg max, then theres a possability its seeing some det.
Best thing to do is to get someone to look at the display to see what it does while you accellerate in 3rd or 4th from about 2k revs.If the adv stays at 2.5max then reset the ecu and try again after a few hours of driving(so it can learn its adv parameters again).
Gary.
20 February 2006, 08:37 AM
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Originally Posted by easyrider
Yeah-it should be showing added advance without knock-SECS in my bugeye shows as much as 9.5deg adv in different parts of the revrange.It only shows a max of 3deg (on medium/full throttle) if the ecu has just been reset, ie a safe level to start the learning cycle-as time goes on, if it doesnt see any det then it will add a bit more advance till it picks up a bit of det and then backs the advance off to a max safe level.
Theres a hell of a difference in power between 3 and 9.5adv.
If yours is staying at 2.5deg max, then theres a possability its seeing some det.
Best thing to do is to get someone to look at the display to see what it does while you accellerate in 3rd or 4th from about 2k revs.If the adv stays at 2.5max then reset the ecu and try again after a few hours of driving(so it can learn its adv parameters again).
Gary.
Theres a hell of a difference in power between 3 and 9.5adv.
If yours is staying at 2.5deg max, then theres a possability its seeing some det.
Best thing to do is to get someone to look at the display to see what it does while you accellerate in 3rd or 4th from about 2k revs.If the adv stays at 2.5max then reset the ecu and try again after a few hours of driving(so it can learn its adv parameters again).
Gary.
cheers,i think it is only adding advance by what you are saying.it dosnt hold 2.5 degrees it just flashes up for a second.this was only after a run of around 120miles.what made me worry was ive never seen it happen before.the ecu has been remapped so i dont think i should reset it.
20 February 2006, 02:01 PM
#7
Originally Posted by R25 sti
cheers,i think it is only adding advance by what you are saying.it dosnt hold 2.5 degrees it just flashes up for a second.this was only after a run of around 120miles.what made me worry was ive never seen it happen before.the ecu has been remapped so i dont think i should reset it.
I only tend to see a KC figure when on a fair run. general pootling around and the readout stays zero.
JohnD
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