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Stalling/cutting Out While Spooling

Sub_woolfer

By Sub_woolfer,
in General Maintenance

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Sub_woolfer Apprentice

Sub_woolfer

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pull out your spark plugs again and inspect them. that will give you an indication of whether it is a fuel issue. if they are black then it isn't a fuel issue but a spark issue. if they are a light colour then it is a fuel issue. if possible get someone to drive behind you and make it play up. if they see unburnt fuel coming out the exhaust when it missfires then you know it's a spark issue.

legend. will do

Sub_woolfer Apprentice

Sub_woolfer

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how much boost you running?

i have a similar issue and i thought its just the stock ECU fuel cut or R&R, if i reset the ECU it will be fine for a while....

how long was a while.. what did the final problem turn out to be?

Sub_woolfer Apprentice

Sub_woolfer

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he is running stock boost. he said it in an earlier post.

this brother from another mother.. been with the problem since the start of this pain the rear end hole!

its been raining in melbourne. when the spark plugs were changed over, i didnt replace the cover so i dont want to do too much work and, i dont think anyone'll be able to see whats coming out of my exhaust.

mad082 Grand Master

mad082

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Posted

generally if the fuel pump is playing up it will usually only be in the high end where it starts to lean out. generally it should be fine at lower rpm as the fuel being used is very low so the pump should be able to flow well enough.

Sub_woolfer Apprentice

Sub_woolfer

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generally if the fuel pump is playing up it will usually only be in the high end where it starts to lean out. generally it should be fine at lower rpm as the fuel being used is very low so the pump should be able to flow well enough.

is it worth replacing? exactly as u say it does..

mad082 Grand Master

mad082

Posted
Posted

wouldn't hurt to replace it to be on the safe side, however if it isn't the issue then you have wasted a few hundred dollars. you would be best off putting the car on a dyno to get the AFR's checked to see if it is leaning out. that way if the AFR's are fine you can put the money towards finding out exactly what is the cause.

SilverECR33 Veteran

SilverECR33

Posted
Posted

First time Ive had a drama with the car is today :laugh:.

Turns out mines doing same thing, But it does it at anything about 0+. shuders, hesitates, splutters, as if a cooler pipe has gone off :S

all new Gear, intake, gaskets, splitfires, tomei z32, about 80 dyno runs, never had an issue. today started it, driving to work.. this happening >.<...

wat the f!,.. PFC map?

Sub_woolfer Apprentice

Sub_woolfer

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I have no idea bro, sorry. Man, I'm sending the car to a dude in Melbourne that comes highly recommended. Supposed to go today but had a wedding I sorta forgot I had to go to. I'll go to him early on Monday. If he tells me the cars problem, I'll pass that on to you, or if you're in Melb. tell me and I'll give u his details.

Sub_woolfer Apprentice

Sub_woolfer

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the dude fixed it in 15 seconds. f'ing very good guy.

#1, the turbo we changed was boosting (or trying to at least) at 22psi,

#2, the afm was dodge so i replaced with the another standard one,

#3, the loom that sat in the afm was pretty shockingly crusty, so we changed that and he crimped it into place,

#4, the bov i had on the car was pushing a lot of what was in the pipes out, so the sensors got crappy readings and made it try and cut out,

just little bits and pieces. the dude did a massively good job, anybody in melb who wants serious work done to their car should go there.

i hope some of these steps help u in ur problem cuz.

good luck.

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