Mighty Max TPS problems

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christopher.voeglein@gmail.com - 25 Sep 2006 01:25 GMT

I have a '90 Mighty Max, and I'm not getting much power from the
engine. At first I thought it was the defective fuel injector, but I
replaced that and I still don't get enough power. My goal,
essentially, is to be able to go up hills in 4th. I think it could be
that the throttle position sensor isn't set right, but I don't know
how to position it correctly. I also think it needs a tune up, among
other things, but I'm working one thing at a time because I am broke.
Any insight you could give me would be great.

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simpleton - 25 Sep 2006 01:53 GMT

You're first going to need to know what the voltage is with the throttle
closed so you can adjust.
From there it's just rotating the sensor until the value is correct.
You're still going to have to downshift...

>I have a '90 Mighty Max, and I'm not getting much power from the
> engine. At first I thought it was the defective fuel injector, but I
[quoted text clipped - 4 lines]
> other things, but I'm working one thing at a time because I am broke.
> Any insight you could give me would be great.

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mg - 25 Sep 2006 03:07 GMT

>I have a '90 Mighty Max, and I'm not getting much power from the
>engine. At first I thought it was the defective fuel injector, but I
[quoted text clipped - 4 lines]
>other things, but I'm working one thing at a time because I am broke.
>Any insight you could give me would be great.

Do a search on
http://www.4x4wire.com/forums/postlist.php?Cat=&Board=UBB69

I've seen some TPS adjustment posts in the past.

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