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Old 02-09-04, 10:52 AM   #1
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Throttle Position Sensor Repair

IS THERE ANY WAY TO REPAIR A TPS. CALL ME CHEAP BUT I THINK THAT $130.00 IS WAY TOO MUCH FOR A NEW ONE, IT'S OUT OF THE QUESTION.
AND IT'S IMPOSSIBLE TO FIND A USED ONE.
DOES ANYONE KNOW WHERE A SHOT ENGINE IS IN THE RICHMOND AREA OF VA. 30MI OR LESS.
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Old 02-09-04, 11:00 AM   #2
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Someone (SureShot?) recommended spraying some electrical spray along side the plungers and working it in. Mine was just bad and I needed to replace it, nothing helped.
Try and place a WTB ad in the for sale section. They're around.
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Old 02-09-04, 11:44 AM   #3
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I tried to fix mine with carb cleaner but eneded up buying a new one. Good luck.
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Old 02-09-04, 01:56 PM   #4
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Re: Throttle Position Sensor Repair

Quote:
Originally posted by DJW3
IS THERE ANY WAY TO REPAIR A TPS. CALL ME CHEAP BUT I THINK THAT $130.00 IS WAY TOO MUCH FOR A NEW ONE, IT'S OUT OF THE QUESTION.
AND IT'S IMPOSSIBLE TO FIND A USED ONE.
DOES ANYONE KNOW WHERE A SHOT ENGINE IS IN THE RICHMOND AREA OF VA. 30MI OR LESS.
The TPS on these cars consists of conductive plastic strip and a wiper that rides over the plastic strip as the TPS plunger is depressed. The plastic strip tends to wear out where the wiper strip sits most of the time. There's really no way to repair the TPS. There are better designs for TPS, but unfortunately Mazda didn't use them. Sometimes you just got to go out and spend the $$$ to get these cars running right.

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Old 02-09-04, 07:42 PM   #5
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IF YOU CAN'T AFFORD IT, GET RID OF THE CAR AND BUY SOMETHING ELSE.


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Old 02-09-04, 08:11 PM   #6
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going to agree with Ted here... $130 for a new TPS is pretty low amount... if you can't afford that, I doubt you can afford the gas for a month that the car will take.
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Old 02-09-04, 08:20 PM   #7
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i had trouble with my tps too, when i changed my fuel pd i cut that corroded-*** connector out & spliced the wiring back together with "handshakes", runs like new again...the corrosion on the terminals was thowing off the signal goin back to the ecu
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Old 02-09-04, 09:34 PM   #8
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check in the "parts wanted and for sale" if nobody has one listed, then post there saying that your wanting to buy a TPS..someone will sell you one cheaper!
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Old 02-10-04, 11:57 AM   #9
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I know that a TPS will cost you around 300+ usually.

But I'm deep into electronics and know that a variable resistor is only $5- $10 at most electronic supply stores. The only thing that makes this any differant is the shape, and that's only for clamping it down.
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Old 02-10-04, 12:56 PM   #10
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If your TPS has <150000 miles on it, try cleaning with CRC "QD contact cleaner" from Home Depot.

Spray it in, work the plunger, blow it out.
Test with a multimeter for a smooth ohms sweep.
Repeat a few times.

After 150000-200000 miles it's probably worn out.

That contact cleaner is also good on logicon sliders, stereo controls, door lock position switches, etc..
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Old 02-10-04, 01:24 PM   #11
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Quote:
Originally posted by DJW3
But I'm deep into electronics and know that a variable resistor is only $5- $10 at most electronic supply stores. The only thing that makes this any differant is the shape, and that's only for clamping it down.
Oh, if we end up paying just how much the internal components cost, this world would be a very different place.

If you're deep into electronics, you should also know a lot about R&D costs, right?  Electronics is one of the most notorious industries for making consumers pay for R&D - the other one is software development.

Sure, the TPS is probably a $1.50 electronics part, but this is reality.  You're paying the extra $125 for the convenience of replacement.  If you have a source for a cheaper part replacement, go for it!



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Old 02-10-04, 01:24 PM
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1986, 1992, anywayt, body, cost, fix, mastercraft, mazda, position, repair, replacement, rx7, sensor, throttle, tps

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