OK - New NX
Drove from Canberra to the Coast just after delivery - approx 200k - the eco gauge got down to 9.5 l/100k (from 650m alt to sea level)
Coming back we averaged 10.1 l/100k - a bit disappointing but it's a new car etc etc
Have now done 840k and tootling around Canberra - never long enough to get a decent read on the fuel consumption
I have also been keeping an ear out on the engine noise and as with my old NP - it gets a bit more clattery with cold weather - Injector rattle can be heard although it's a bit more suppressed than in the NP
Three things then happened together - 2 of which involved fuel additives and while I'm not sure about the forum policy on naming commercial brands I will do so in this case as it is integral to the story
1/ I fitted an EGR 'stayshutter' (DIY)
2/ Yesterday I put about 140mls of Lucas upper cylinder additive in a full tank - I've had this stuff for a long time and used it only occasionally in the NP
3/ I ordered and received today a bottle of CEM CRD Fuel Enhancer (has been spoken about elsewhere in this forum) and put 10mls in the same tankful
So I have a muddled up experiment so to speak - never mind...
So today I drive to Costco - (about 9-10ks from home)....
Started up - drive away - the usage gauge starts off at 15.5 L/100k
I notice the engine has quietened noticeably - no discernible injector rattle - I swear it's true...
AND - My God !! The eco gauge reading starts dropping 10.5, 10.2, 10, 9.8, 9.6, 9.4, 9.3, ... by the time I've gone 8 k's it's reading 9.0 l/100k !!! - To be fair it is slightly downhill/mainly flat from my place to Costco but even so ...This has never happened before.
On the way back - peak traffic time - about six red lights - back up the hill - it climbed back to 10.0 after nudging back down to 9.7
I'm freakin' AMAZED !! - it's like someone has flicked a switch
Given most people feel the EGR stopper doesn't do much to alter the fuel economy (or noise of course) - it has to be the additive/s - one or both I don't know - that'll be the next trial...
Drove from Canberra to the Coast just after delivery - approx 200k - the eco gauge got down to 9.5 l/100k (from 650m alt to sea level)
Coming back we averaged 10.1 l/100k - a bit disappointing but it's a new car etc etc
Have now done 840k and tootling around Canberra - never long enough to get a decent read on the fuel consumption
I have also been keeping an ear out on the engine noise and as with my old NP - it gets a bit more clattery with cold weather - Injector rattle can be heard although it's a bit more suppressed than in the NP
Three things then happened together - 2 of which involved fuel additives and while I'm not sure about the forum policy on naming commercial brands I will do so in this case as it is integral to the story
1/ I fitted an EGR 'stayshutter' (DIY)
2/ Yesterday I put about 140mls of Lucas upper cylinder additive in a full tank - I've had this stuff for a long time and used it only occasionally in the NP
3/ I ordered and received today a bottle of CEM CRD Fuel Enhancer (has been spoken about elsewhere in this forum) and put 10mls in the same tankful
So I have a muddled up experiment so to speak - never mind...
So today I drive to Costco - (about 9-10ks from home)....
Started up - drive away - the usage gauge starts off at 15.5 L/100k
I notice the engine has quietened noticeably - no discernible injector rattle - I swear it's true...
AND - My God !! The eco gauge reading starts dropping 10.5, 10.2, 10, 9.8, 9.6, 9.4, 9.3, ... by the time I've gone 8 k's it's reading 9.0 l/100k !!! - To be fair it is slightly downhill/mainly flat from my place to Costco but even so ...This has never happened before.
On the way back - peak traffic time - about six red lights - back up the hill - it climbed back to 10.0 after nudging back down to 9.7
I'm freakin' AMAZED !! - it's like someone has flicked a switch
Given most people feel the EGR stopper doesn't do much to alter the fuel economy (or noise of course) - it has to be the additive/s - one or both I don't know - that'll be the next trial...
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