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GTS-T bucking/hesitating before it builds boost

planrforrobert
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Dose Pipe Sutututu Grand Master

Dose Pipe Sutututu

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On 17/12/2016 at 1:37 PM, R33gtst2016 said:

Or is it not a gasket just sealant ?

do not ever use sealant, you'll end up in a sad financial mess if you do.

OEM seal or OEM seal those are your options.

Note the S14 and S15 seal fits too on your R33 R34

R33gtst2016 Enthusiast

R33gtst2016

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So I've f**ked up along the way somewhere I changed it over I thought all went well, but won't start, cranks over but doesn't start tonight after work I gotta take it back out and double check my wiring were right positive to positive n negative to negative, there's a dash light on but I dno what it is

89CAL Grand Master

89CAL

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That tells you when your Cat Coverter is blocked (there is a temp probe in the Cat that sets off the light at a certain temp)

Could it be a Cat problem? If that is coming up when you are trying to crank I doubt it. I'd only expect it to come up after the car is driven for a bit

planrforrobert Explorer

planrforrobert

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Are you hearing the pump run? If no it may be a wiring issue. I remember remarking at how brittle/fragile some of the fuel pump wiring was, maybe something has broken with those. If you are hearing the pump run I would pull the whole assembly back out and make sure everything is installed as it should be.

planrforrobert Explorer

planrforrobert

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I would confirm you are hearing the pump first. Then, if you are, pull the fuel line going to the fuel rail off and try to crank it and see how strong of a stream you have (you may want to just test for pressure).

If those tests "fail" then I would pull the pump out and inspect everything.

89CAL Grand Master

89CAL

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Not sure if its the same on R32's but on my R33 if i turn the key about halfway between on and start and hold it there the fuel pump runs. Did so with Power FC anyway and the Link does it to however cuts the pump after a few seconds

  • 2 weeks later...
R33gtst2016 Enthusiast

R33gtst2016

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What would happened when I try to start the car if I didn't put the hoses on correctly? I've checked I can defiantly hear the pump, but still won't start just cranks, thought that I've put everything back the way it was originally but don't understand why won't start. Any ideas

planrforrobert Explorer

planrforrobert

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Maybe you have the inlet and outlet hoses crossed? On the 32s that space is tight and they could easily get crossed. Easiest way to check is to pull fuel line going to rail and reroute it into a bucket. If you can crank it and fuel comes out, you know they are plumbed correctly.

Also, what condition is your fuel filter in? A clogged filter could give you grief as well.

planrforrobert Explorer

planrforrobert

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If you took the hoses off at the pump and aren't getting any flow, the issue is in the tank. If the pump was working correctly you'd have fuel everywhere.

To answer your last question, you want to focus on the hose between the filter and the rail, removing it from where it connects to the rail.

But start at the tank, it sounds like your pump isn't pumping.

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