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post #1 of (permalink) Old 12-08-2002, 06:28 AM
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\'92 Amigo.....former Zuk owner

I have to throw this question at you guys 'cause no other list is as GOOD!

I now have a "92 Amigo, 2.3 carb engine. There is a switch which activates with the gas pedal that I don't know what it does. I thought it might be a gas kill switch simular to the Samurai but I'm not sure. Isuzu service manual calls it an aceleratot switch (go figure) but can't find a referenc to it in the service manual wiring diagrams. Any Ideas?

Amigo...just a bigger Samurai.
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post #2 of (permalink) Old 12-09-2002, 01:05 AM
 
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Re: \'92 Amigo.....former Zuk owner

maybe this will help!


BTT!!!!!!!!!!!!!
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post #3 of (permalink) Old 12-09-2002, 09:17 AM
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Re: \'92 Amigo.....former Zuk owner

Could it be some kind of fast idle or something. I am just guessing here
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post #4 of (permalink) Old 12-09-2002, 09:51 AM
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Re: \'92 Amigo.....former Zuk owner

Guessing, but it is probably a WOT switch (Wide open Throttle). Tells the computer you've got it floored.

This is a great Isuzu board:

http://66.216.68.23/ubb/ultimatebb.php?category=20

Jim
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post #5 of (permalink) Old 12-09-2002, 06:33 PM
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Re: \'92 Amigo.....former Zuk owner

Don't think it is a fast idle.....typical carb with electric thermal heat for the choke. It just doesen't seem to have a effect on anything I can tell.
post #6 of (permalink) Old 12-09-2002, 06:37 PM
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Re: \'92 Amigo.....former Zuk owner

Don't think it is a WOT switch as it makes at the very first part of the peddle travel. It has to be a fuel cut off of some sort. I'll just have to trace it out.
post #7 of (permalink) Old 12-09-2002, 07:27 PM
 
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Re: \'92 Amigo.....former Zuk owner

i thought that might help. [img]images/graemlins/grin.gif[/img]
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post #8 of (permalink) Old 12-10-2002, 07:42 AM
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Re: \'92 Amigo.....former Zuk owner

Hi,

A freind of mine (who has an Amigo) who reads this forum but is not registered asked me to post this info (from an AMigo manual)

The post was titled "92 Amigo..... Former Zuk owner". The fellow had a
question about a switch that was on or near his gas pedal. No one seemed to
know what it was for. I believe it is part of the fuel cut-off system on
the 2.3L motor. My manual has this to say:

FUEL CUT-OFF SYSTEM (2.3L)

1) The fuel cutoff system cuts off part of the fuel during deceleration to
prevent overheating and after burning in the exhaust system. The carbureted
version is mechanically actuated while the MPFI version is operated by the
computer.

2) The fuel cut off system consists principally of a slow cut solenoid valve
incorporated into the carb, an engine speed sensor, a transmission switch,
*an accelerator switch*, and a clutch switch.

3) This system acts as an auxiliary fuel system operated by the slow cut
solenoid. When the solenoid is de-energized, it pulls the plunger OUT to
close the fuel flow passage.

4) The engine speed sensor monitors the engine rpm by sensing the electric
impulses from the ignition coil. When the engine speed exceeds 2000 rpm,
the engine speed sensor turns OFF and the coasting fuel cut solenoid becomes
de-energized.

5) When the transmission is shifted into any gear, the neutral switch is
activated, allowing the coast richer circuit to energize.

6) The accelerator switch is connected to the accelerator linkage and is
turned ON when the pedal is not pressed. When the accelerator is pressed,
the switch is turned OFF and the circuit is open.

7) The clutch switch is installed near the clutch pedal and turns OFF when
the clutch is pressed, de-energizing the coasting richer circuit.

I found this info in my Haynes repair manual for 1989 thru 1997 Isuzu Rodeo
and Amigo/ Honda Passport. section 6-6. from what I read I believe his
question concerns the accelerator switch.

Hope that helps a fellow Amigo owner.

DWW

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