Power Jet Member 151 Member For: 16y 7m 19d Gender: Male Posted 28/09/11 02:16 PM Share Posted 28/09/11 02:16 PM Hey guys,Currently if I am pushing more than half throttle I have the problem of back firing and the engine missing. Only happens as boost comes on obviously.I have changed the plugs (which I had to re-gap to 0. and the coils. What else could it possible be that is causing this? Oh yeah and I have changed the fuel filter.Below I have the mods I have it that helps:Rapid V2.0 cooler, piping and intakeInjectorsValve springsforged internalssurge tankXForce 3.5 split dump into 3.5" systemWastegate ported and actuatorRunning about 385rwkw but cant at the moment :(help would be great Link to comment Share on other sites More sharing options...
Kiwiforddvr Member 10 Member For: 12y 9m 2d Posted 29/03/12 02:17 PM Share Posted 29/03/12 02:17 PM Does it start to breakdown between 3500-4000 rpm? Link to comment Share on other sites More sharing options...
Periklis Member 67 Member For: 14y 4m 22d Posted 21/05/12 06:46 AM Share Posted 21/05/12 06:46 AM I'm having identical problem, anyone found a reason? Link to comment Share on other sites More sharing options...
daztbo FLY-FPV Donating Members 474 Member For: 15y 5m 3d Gender: Male Location: Greensborough Vic Posted 21/05/12 09:16 AM Share Posted 21/05/12 09:16 AM It's either pugs or coils change em both just to be sure but that's what it will be it's a common problem Link to comment Share on other sites More sharing options...
F1PERFORMANCE Donating Members 104 Member For: 15y 9m 18d Gender: Male Location: VIC Posted 21/05/12 09:46 AM Share Posted 21/05/12 09:46 AM take it and put it on a dyno - it could be a number of things test dont guess - it will only get worse and simple problem could break or break some thing else like your engine - the cost of coils and plugs could of paid to fix the problem - dont mean be harsh but I have seen heaps of people learn the very hard lessons. Link to comment Share on other sites More sharing options...
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