mickhames999 New Member 5 Member For: 9y 2m 5d Posted 12/08/20 01:28 AM Share Posted 12/08/20 01:28 AM Hello, I have a 2012 FG turbo auto tuned on E85. Intermittently the fuel cut off will trip. An error will also come up on the dash to say that the fuel has cutoff, this can be cleared by pressing the SEL button the dash and the motor can then be restarted. The car can be idling or driving when it happens. Its only happened once when driving at low revs in a metro area. It can trip 1-3 times in a row and then the car runs fine Its never happened under boost. I cant recall it happening with a warm motor. The car has not been bumped or jolted when it happens Any experience with this problem is greatly appreciated, thank you Link to comment Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 28,290 Member For: 16y 8d Gender: Male Location: Melbourne Posted 12/08/20 03:28 AM Share Posted 12/08/20 03:28 AM seems like a tune problem... have you spoken to the tuner? Link to comment Share on other sites More sharing options...
mickhames999 New Member 5 Member For: 9y 2m 5d Posted 12/08/20 03:49 AM Author Share Posted 12/08/20 03:49 AM I havent spoken with the tuner as I bought the car already tuned from a car dealer and dont know who did the tune. What makes you think its the tune - as I cant understand why the tune would affect the fuel cut off switch? Link to comment Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 28,290 Member For: 16y 8d Gender: Male Location: Melbourne Posted 12/08/20 04:55 AM Share Posted 12/08/20 04:55 AM well, it's obviously detecting a problem with hte fuelling which is done via sensors... no reason fuelling should have troubles unless you have other obvious issues (which you said you didn't) so it makes me think there's a bad tune parameter (or more than one parameter) or the car was tuned with different hardware to what it has now. Link to comment Share on other sites More sharing options...
Puffwagon Puff Gold Donating Members 15,115 Member For: 9y 2m 20d Gender: Male Location: South Australia Posted 12/08/20 05:04 AM Share Posted 12/08/20 05:04 AM Isn't there an inertia switch or something? 1 Link to comment Share on other sites More sharing options...
mickhames999 New Member 5 Member For: 9y 2m 5d Posted 12/08/20 05:05 AM Author Share Posted 12/08/20 05:05 AM OK, I was under the impression that the fuel cutoff switch is an inertia switch that was designed to cut off fuel in the event of the car being impacted (car crash/etc). If this is correct then it may not be connected to any sensors? Excuse my ignorance Link to comment Share on other sites More sharing options...
Puffwagon Puff Gold Donating Members 15,115 Member For: 9y 2m 20d Gender: Male Location: South Australia Posted 12/08/20 05:08 AM Share Posted 12/08/20 05:08 AM Fek knows, I just remember reading about it years ago and how it was causing someone else an issue iirc. 1 Link to comment Share on other sites More sharing options...
Ralph Wiggum Moar Powar Babeh Lifetime Members 19,323 Member For: 18y 6m 26d Gender: Male Location: Perth Posted 15/08/20 08:26 AM Share Posted 15/08/20 08:26 AM On 12/08/2020 at 1:05 PM, mickhames999 said: OK, I was under the impression that the fuel cutoff switch is an inertia switch that was designed to cut off fuel in the event of the car being impacted (car crash/etc). If this is correct then it may not be connected to any sensors? Excuse my ignorance Correct, once latched it'll stay off. Id suggest swapping the fuel pump relay with another relay in the engine bay fuse box to see if the fault moves with it. Could also be a poor connection on the pump or simply the pump is politely telling you its on the way out. Link to comment Share on other sites More sharing options...
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