Installing TPS
#1
93FD
Thread Starter
Installing TPS
I finally found my issue. Discovered it removing the throttle body to get to a stripped TPS bolt. I am putting my TPS back on, but it now reads 4.x cold without throttle and doesn’t move under throttle. Is there a specific way to reinstall the TPS like twisting it on 180 degrees or anything I am missing?
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Tom Smith (05-19-24)
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Tom Smith (05-19-24)
#4
93FD
Thread Starter
I honestly don’t know if Mazda could had made it harder, make that impossible, to reach the bottom
screw of the tps if they would had had a 2nd grader design it. At this point I’m about to sell my whole FD rather than keep trying to get the TPS back on. I get the values correct and the second I bump it trying to reach the F’in screw it goes all out of whack again. A part this small and easy should not take 4 days and two break downs just to screw back on!
Rant over
screw of the tps if they would had had a 2nd grader design it. At this point I’m about to sell my whole FD rather than keep trying to get the TPS back on. I get the values correct and the second I bump it trying to reach the F’in screw it goes all out of whack again. A part this small and easy should not take 4 days and two break downs just to screw back on!
Rant over
#5
93FD
Thread Starter
#6
You don't have to replace the factory screws with screws. You install hex head or allen hardware on there to make it easier to access. Keep in mind this whole process can be done with the throttle body removed so you don't have to work between it and the firewall.
In addition to that, while watching the tps values on the commander, you can twist the tps through its range uninstalled and verify it sweeps cleanly and doesn't jump around. If it does jump around in values then you may have a bad tps as it seems you are describing.
In addition to that, while watching the tps values on the commander, you can twist the tps through its range uninstalled and verify it sweeps cleanly and doesn't jump around. If it does jump around in values then you may have a bad tps as it seems you are describing.
#7
93FD
Thread Starter
You don't have to replace the factory screws with screws. You install hex head or allen hardware on there to make it easier to access. Keep in mind this whole process can be done with the throttle body removed so you don't have to work between it and the firewall.
In addition to that, while watching the tps values on the commander, you can twist the tps through its range uninstalled and verify it sweeps cleanly and doesn't jump around. If it does jump around in values then you may have a bad tps as it seems you are describing.
In addition to that, while watching the tps values on the commander, you can twist the tps through its range uninstalled and verify it sweeps cleanly and doesn't jump around. If it does jump around in values then you may have a bad tps as it seems you are describing.
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#10
93FD
Thread Starter
Got it. Found an old buried thread. The brass tabs go against the BACK of the plastic u shape slot in the TPS, not INSIDE the u shape slot. Stupid design, goes against logic.
Last edited by Tom Smith; 05-19-24 at 03:46 PM.
#13
Rotary Enthusiast
#14
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If you break one of these open, on purpose, or by accident, by dropping the TB on the floor, for instance, you will be shocked to see how flimsy they are inside for such a crucial role.
Always best to pick up a spare when one comes along for cheap.
Often people sell UIM/TB with the TPS attached without realizing the value is in the TPS.
Always best to pick up a spare when one comes along for cheap.
Often people sell UIM/TB with the TPS attached without realizing the value is in the TPS.
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Redbul (05-20-24)
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