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Location:
Coffs
Registered:
May 2002
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 No TPS on 4AGE
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Mon, 23 December 2002 11:57
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Whats the go with this..Theres a AE82 seca twincam with the big port 4age at my mum's mechanics and he said its not running the TPS..how would it work out the mixtures etc??
Would it have a After market ECU or something??
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Registered:
June 2002
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Re: No TPS on 4AGE
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Mon, 23 December 2002 13:36
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I thought 4age was either MAP or MAS sensored? Usually the TPS is for aftermarket system, or it's to sense the throttle position to turn the air cond off..
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Toymods Board Member
I supported Toymods
Location:
Turramurra, Sydney.
Registered:
May 2002
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Re: No TPS on 4AGE
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Mon, 23 December 2002 14:13
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Nah the 4A-GE actually runs a proper variable resistor type TPs, rather than a simple switch type. It uses this in conjustion with the MAP sensor.
I can't see how it could run without any type of TPS, have a look at it if you can, check out the ECU, the throttle body & the wiring.
See if anything else has been changed. Find out how it runs too.
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Toymods Board Member
Location:
Sydney
Registered:
September 2002
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Re: No TPS on 4AGE
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Tue, 24 December 2002 01:23
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I don't know about the 4AGE's but the 2TGEU runs fine without it's TPS... 
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Location:
Canberra
Registered:
May 2002
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Re: No TPS on 4AGE
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Tue, 24 December 2002 07:18
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I believe the TPS on the 2TG is basically used only as a throttle switch, showing throttle closed, flat out, or somewhere inbetween, but not variable between either extremity, so it probably doesnt serve as important a role.
TPS is generally used for functions such as closed loop, and fuel cut on deceleration, so your car 'should' still run fairly well without it connected, unless the ECU has a "limp home" mode where it runs a very basic map when it recognises that a sensor is not there or disconnected, in which case it wont perform too well.
Hope that makes sense
CHeers
Phil
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