TPS SENSOR
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Joined: Dec 2005
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TPS SENSOR
when i check my tps sensor with tunerpro it only shows 4.5 volts wide open, & .50 at idle- is this correct? if i take the sensor out & test i can get it to go up to 4.92 volts but the throttle lever(fully open) does not push it far enough to get it to that point
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Joined: Jul 1999
Posts: 2,149
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From: Mims, Florida
Car: '87 IROCZ
Engine: 395 ZZ4
Transmission: ProBuilt 700R4
Axle/Gears: 9 bolt 3.70s
You are good to go... I set my TPS voltage at 0.62V at idle, at WOT it reads about 4.2V... I have an '87 car, so my TPS is adjustable.
But, your values are OK, unless you notice some TPS related problem.
But, your values are OK, unless you notice some TPS related problem.
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Joined: Jan 2003
Posts: 2,133
Likes: 4
From: Houston, Texas
Car: 88' IROCZ
Engine: 388 TPI Motown 350 Race block
Transmission: 700R4
Axle/Gears: 2.77
[QUOTE=graphicideas1]I
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The ECM will know there's a problem and set a code if the voltage goes below the minimum, or above the maximum. So it needs at least a 1/2v above and below the TPS total span to be able to determine when the TPS is out of range.
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The ECM will know there's a problem and set a code if the voltage goes below the minimum, or above the maximum. So it needs at least a 1/2v above and below the TPS total span to be able to determine when the TPS is out of range.
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