****4AGE BLUE TOP INLET FueL MIXTURE?****

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****4AGE BLUE TOP INLET FueL MIXTURE?****

Postby corolla gt » Tue Feb 12, 2008 6:30 pm

i am thinking that maybe on my inlet i have played with the fuel mixture screw next to the inlet end and im shore its the mixture of the fuel is any1 shore of what that should be turned out to be?

if i close it completly is any1 shore how many turns i should wined it out to?

that could maybe make it runn it bite beter because its runnig really rich.?

just a average sort of amount of turns
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Postby l1ttle_d3vil » Tue Feb 12, 2008 7:08 pm

that only adjusts the amount of air going through, not sure if it was make that much difference. wind it all the way in (clockwise) as far as it will go, then wind it out around 2 turns. it may run funny if its wound all the way out or something...
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Postby ee904age » Tue Feb 12, 2008 7:16 pm

Thats basically an idle adjustment screw (on the throttle body). Adjust the amount of air bypassing the throttle butterfly at idle. It wont make the car rich or lean, thats what the computers there for.
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Postby Trls250s » Wed Feb 13, 2008 9:38 am

Your talking old school carb speak dude. 4age is fuel injected (unless you've put dellortos on yourself)

It will adjust your fuel mixture to suit. there is a control valve on the MAP sensor which tells the ecu how much air is going into the engine, that then calculates the mixture you need. But id advise you not to play with that.

The idle control screw adjusts the idle so much but the engine's ecu will always try and get the car to idle at 800 rpm (it has a crank angle sensor so it knows how many revs its doing and adjusts to compinsate)

If its running a bit rich have you checked your timing?

Its ment to be 16 degrees at 800rpm
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Postby Zak » Wed Feb 13, 2008 10:44 am

On NZ new 4age they have a idle mixture screw, it's only for setting the idle imissions as far as I know though.

As they don't have an oxy sensor to compansate for any thing.
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Postby Trls250s » Wed Feb 13, 2008 4:10 pm

Country specific engines suck, JDM for life. The yanks have AFM's on there 16v's....
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