Fox T-Bird/Cougar Forums  

minor engine stumble issue.

Reply #30 – December 17, 2012, 09:11:00 AM

naw,, buttstuffog is better for pots, thats prob what you meant.
my / most digi meters flip scales from 100's to thousands and you loose clairty of what was in between cause the screen blinks form one scale to the other,, you know what i am talking about.
have you ever busted one apart?  thin film of plastic with a narrow band of carbon glued to it.

this tps is new but im gonna put the motorcraft one back on, i just picked one up to toss on when i was shot gunning the issue.

i dont own an oscope ,, a Huntron is on my christmas list or a simpson 260 or 360, we will see how much coal get instead.

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minor engine stumble issue.

Reply #31 – December 17, 2012, 09:54:31 AM

wait a minute, perhaps i need to say  "why do you say a digi meter is better"?  just curious.

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minor engine stumble issue.

Reply #32 – December 17, 2012, 02:10:23 PM

I have a FLUKE that does not have a stabelizing circuit to see the blips in the resistance or voltage sweep. I also use an buttstuffog meter also. I think the fluke has a better way of seeing a dirty sweep. But the bottom line is the scope. Scopes are cheap now and will paint a better picture of a Noisy TPS

:hick::burnout:

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minor engine stumble issue.

Reply #33 – December 17, 2012, 02:47:05 PM

I've never had to buy a anolog meter or a scope to find a bad spot in a tps. I have mostly used a $2.99 cheapie harbor freight volt meter. You just turn the key on, slowly move the throttle by hand, and any dip or drop in voltage while increasing throttle means bad tps. I have gotten 2 bad tps sensors from the pars stores as well.

As long as idle is .49-1.17v's, and maxes out at least 2.5v's above idle value, you should be golden. It I possible you slightly had your foot on the gas pedal when you started it or something like that as well. I'd reset the computer, run codes again, then check the tps one more time.

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