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Location:
UK
Registered:
May 2002
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Re: ARRRGG 1jz Fuel cut deffender help!!
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Mon, 01 November 2004 08:32
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| Anthony Kellam wrote on Sun, 31 October 2004 22:17 |
Hedgehog, An FCD never takes the ECU into "further mapping", it's not about that. It simply clamps the output voltage of the MAP sensor or AFM so it cant go above (or below) a preset voltage. As boost passes this preset point (say 14 psi) the ECU will keep supplying fuel for this level.
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yes i know, that isnt what i was saying. I was saying that you cant *raise* the fuel cut level on the 1JZ with an FCD that has a raised fuel cut feature.
eg on the 2JZ you can raise the fuel cutpoint, as the fuel cut on the 2JZ is about 4.3 volts, so you still have 0.7 volts left to trigger an overboost fuel cut with the right FCD. However, you cant do this on the 1JZ system because stock fuel cut is near the limit of the map sensor ie about 4.9 volts,leaving very little voltage range left in order to a secondary overboost cutoff.
[Updated on: Mon, 01 November 2004 08:40]
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| | Subject | Poster | Date |
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ARRRGG 1jz Fuel cut deffender help!!
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tyottsoarer | Wed, 20 October 2004 03:36 |
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Re: fuel cut deffender
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Chris Davey | Wed, 20 October 2004 03:44 |
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Re: fuel cut deffender
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tyottsoarer | Wed, 20 October 2004 03:52 |
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Re: fuel cut deffender
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Chris Davey | Wed, 20 October 2004 04:09 |
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Re: fuel cut deffender
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MR 1JZ | Wed, 20 October 2004 04:29 |
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Re: fuel cut deffender
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davedave | Wed, 20 October 2004 05:03 |
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Re: fuel cut deffender
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ae95 | Wed, 20 October 2004 05:10 |
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Re: fuel cut deffender
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ae95 | Wed, 20 October 2004 05:48 |
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Re: fuel cut deffender
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Chris Davey | Wed, 20 October 2004 05:52 |
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Re: fuel cut deffender
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tyottsoarer | Wed, 20 October 2004 06:42 |
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Re: fuel cut deffender
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ae95 | Wed, 20 October 2004 06:48 |
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Re: fuel cut deffender
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tyottsoarer | Wed, 20 October 2004 07:01 |
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Re: fuel cut deffender
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MR 1JZ | Wed, 20 October 2004 07:04 |
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Re: fuel cut deffender
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davedave | Wed, 20 October 2004 22:22 |
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Re: fuel cut deffender
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davedave | Fri, 22 October 2004 13:16 |
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Re: fuel cut deffender
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tyottsoarer | Fri, 22 October 2004 13:21 |
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Re: fuel cut deffender
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tyottsoarer | Fri, 22 October 2004 01:32 |
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Re: fuel cut deffender
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Norbie | Fri, 22 October 2004 02:40 |
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Re: fuel cut deffender
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Chris Davey | Fri, 22 October 2004 03:03 |
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Re: fuel cut deffender
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tyottsoarer | Fri, 22 October 2004 11:17 |
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Re: fuel cut deffender
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tyottsoarer | Thu, 28 October 2004 11:52 |
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Re: ARRRGG 1jz Fuel cut deffender help!!
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HedgehogSandwich | Sun, 31 October 2004 20:42 |
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Re: ARRRGG 1jz Fuel cut deffender help!!
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Anthony Kellam | Sun, 31 October 2004 22:17 |
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Re: ARRRGG 1jz Fuel cut deffender help!!
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HedgehogSandwich | Mon, 01 November 2004 08:32 |
