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| too much boost |
| MICHAEL | Posted @ 20 Dec 2007, 10:51pm |
Member
Posts: 241 | before i had my cooler my car would not run more boost. it would stutter and jerk making a constant blow off noise but it will not let it ping.
is that what a normal turbo does when too much boost is ran?
also it will still rev in neutral but in gear it stutters not allowing it to rev? 
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| Replies |
| #717 |
| steven | Posted @ 20 Dec 2007, 11:13pm |
Member
Posts: 59 | hey mate had the same prob it was was running out of fuel pressure near top end it was getting fuel but not wat it needed
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| #721 |
| MICHAEL | Posted @ 20 Dec 2007, 11:20pm |
Member
Posts: 241 | was that constantly at all speeds, gears even at take off 5kph
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| #722 |
| steven | Posted @ 20 Dec 2007, 11:23pm |
Member
Posts: 59 | true man have u change injectors lately cause fuel pressure or busted injector that not runnig 100% that can make ur car do that
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| #723 |
| steven | Posted @ 20 Dec 2007, 11:30pm |
Member
Posts: 59 | hey man yeah sorry didn't read it straight no it didn't but as i posted above most likey a busted injector
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| #724 |
| MICHAEL | Posted @ 20 Dec 2007, 11:31pm |
Member
Posts: 241 | na was knock sensor stopped as soon as i wind boost back down but now i got cooler i can run any boost
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| #725 |
| steven | Posted @ 20 Dec 2007, 11:38pm |
Member
Posts: 59 | true man sorry just i had something the same and it was fuel pressure wat boost where u running when it started stuttering
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| #726 |
| MICHAEL | Posted @ 20 Dec 2007, 11:42pm |
Member
Posts: 241 | no dramas mate just want to find out if my knock sensor is standard or mod
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| #727 |
| eric richardson | Posted @ 21 Dec 2007, 10:16am |
Member
Posts: 36 | i'd have to agree with steven's train of thought.. sounds like it's running out of fuel all together at that particular load... which isn't actually detonation. i may be wrong but it sounds like a severe lean misfire i'm assuming if a cylinder doen't fire at all and boost is being applied which it probably can't use anyway that's enough to interupt the whole combustion process. hence the stalling and venting of boost which can't be used untill u lay of it for a sec get off that particular load site.
I'd be more incline to look at your turbo chargers flow (even if u can only compare to a known turbo of similar specs)in relation to your motor's efficiency vs fuel pressure flow and where it is actually distributed. i don't know your set up so i would be only guessing but it's something to think about mate hope it helps!
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| #733 |
| MICHAEL | Posted @ 21 Dec 2007, 11:32pm |
Member
Posts: 241 | but now with a cooler i can wind boost with out dramas
how can it be fuel if im only going 10kms doing under 2000 rpm but with standard boost i can get 5000 rpm
deff not a fuel prob i beleive that is my knock sensor cutting the motor back so it cant detonate
i also have an extra wire going to dizzy for retard
what does your knock sensor do before a ping?
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