squiffy Posted October 28, 2006 Share Posted October 28, 2006 i have a 2nd decat and hks filter and i am running standard boost, but just after the car changes in to 4th (bout 120leptons) i get the big warning light and engine management light on and the fuel cuts. used to just be a bit of hesitation but now just cuts. It happened last night in 3rd at about 100 leptons. i cant see why its doing this:search: not sure when the car had its last service but is going in for one in 2 weeks. would a new fuel filter and plugs cure this? cheers Link to comment Share on other sites More sharing options...
psymon Posted October 28, 2006 Share Posted October 28, 2006 I had fuel cut several times with only a 2nd decat . Have you got a boost gauge ?. This happens at 1bar. I bought an FCD and it didn't happen again. Take it your Jspec ? Link to comment Share on other sites More sharing options...
Steviekid Posted October 28, 2006 Share Posted October 28, 2006 Do you have a boost gauge? I've heard of cars spiking over 1.0bar with just one cat removed and an aftermarket cat back system. Too slow! Link to comment Share on other sites More sharing options...
squiffy Posted October 28, 2006 Author Share Posted October 28, 2006 yes j-spec mate. i have a boost gauge and superdragger. i have never noticed any boost spikes. i didnt really think i should need a fcd at this stage?? Link to comment Share on other sites More sharing options...
psymon Posted October 28, 2006 Share Posted October 28, 2006 Me neither , but I had 2 or spikes when it hit Fuel cut. It is possible, especially now the colder days are about us. Do what I did, or a FCD and a front decat at the same time lol Link to comment Share on other sites More sharing options...
squiffy Posted October 28, 2006 Author Share Posted October 28, 2006 have the front decat ready and a fmic on order:d Link to comment Share on other sites More sharing options...
Jake Posted October 28, 2006 Share Posted October 28, 2006 i have a 2nd decat and hks filter and i am running standard boostStandard boost even though it's half decatted? What max boost do you get? At what boost pressure is this fuel cut happening? used to just be a bit of hesitation but now just cuts.that sounds like maybe the 180kph speed limiter kicking in. would a new fuel filter and plugs cure this?Could be plugs. They can cause hesitation once the boost is raised Link to comment Share on other sites More sharing options...
squiffy Posted October 28, 2006 Author Share Posted October 28, 2006 well it seems to be 0.9bar max and it happens then but i do have a knackerd crumbling smic well i have had the speed quite a lot higher so it couldnt be the speed limiter could it??? Link to comment Share on other sites More sharing options...
Homer Posted October 28, 2006 Share Posted October 28, 2006 I'm pretty sure sustained 0.9bar is enough to trigger it. Is it quite a violent complete loss/regain of power? If you're reaching those boost levels then its a good idea to do some of the other BPU mods such as plugs, fuel pump, fuel filter change, etc. Link to comment Share on other sites More sharing options...
squiffy Posted October 28, 2006 Author Share Posted October 28, 2006 I'm pretty sure sustained 0.9bar is enough to trigger it. Is it quite a violent complete loss/regain of power? If you're reaching those boost levels then its a good idea to do some of the other BPU mods such as plugs, fuel pump, fuel filter change, etc. ok fair enough, yes its a sudden violent loss. sometimes without the warning lights, then a short pause until i get the power back all on the to do list homer! cheers guys, Link to comment Share on other sites More sharing options...
Jake Posted October 28, 2006 Share Posted October 28, 2006 Thinking about it, knackered plugs and/or speed limiter don't make the red triangle warning light come on, so it's most likely fuel cut. You want to get some BPU suitable plugs in there though if you're running above stock boost Link to comment Share on other sites More sharing options...
squiffy Posted October 28, 2006 Author Share Posted October 28, 2006 will do! iridium ik24's??? thanks Link to comment Share on other sites More sharing options...
Homer Posted October 28, 2006 Share Posted October 28, 2006 will do! iridium ik24's??? Too cold, you need IK22 (£60odd) or NGK BCPR7ES (recommended) from Halfords for about £15 Link to comment Share on other sites More sharing options...
squiffy Posted October 28, 2006 Author Share Posted October 28, 2006 thankyou! Link to comment Share on other sites More sharing options...
lockys96 Posted October 28, 2006 Share Posted October 28, 2006 is your car delimited squiff? have you thought about a SLD Link to comment Share on other sites More sharing options...
squiffy Posted October 28, 2006 Author Share Posted October 28, 2006 yes its de-limited mate, tested:innocent: Link to comment Share on other sites More sharing options...
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