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Old 02-03-2016, 02:24 PM   #1
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Default Using the stock 1.6 TPS

I've finally turned to the dark side and installed a DIYPNP in my car.

I know that it's not a VTPS, but knowing if it's at WOT would help with launch control. The instructions say to ground the TPS input with a 1k resistor which means the ADC is always going to be reading 0. Could you wire a 5v pull up resistor to TPS and jumper it to 2L (POW) to get a 5V signal at everywhere but WOT? You might even be able to rotate the TPS so it's really a >80%TPS signal.

I've never read about this being done, most people just upgrade to a proper sensor, but LC isn't worth $80 for me.

some info:
1.6 TPS operation
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Old 02-03-2016, 02:29 PM   #2
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VTPS isn't just for LC. I see it as a requirement to convert to MS properly, but I guess that's just me. It can also be half that price if you know what your doing.
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Old 02-03-2016, 02:37 PM   #3
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Originally Posted by hi_im_sean View Post
VTPS isn't just for LC. I see it as a requirement to convert to MS properly, but I guess that's just me. It can also be half that price if you know what your doing.

Oh, I have no doubt that tps enrichment is better than map dot, but the wells sensor and bmw sensor are all pretty pricey. Have a secret source?
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Old 02-03-2016, 02:43 PM   #4
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I didnt think id need a TPS either.

That quickly changed when i found myself looking through logs not knowing where my pedal position was. Super useful, and i installed it for that reason alone. That said, my AE is now much better dialled too.
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Old 02-03-2016, 02:48 PM   #5
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Default Using the stock 1.6 TPS

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Oh, I have no doubt that tps enrichment is better than map dot, but the wells sensor and bmw sensor are all pretty pricey. Have a secret source?
I got the sensor from rockauto for like $20 and adapted it myself.

Wells tps201 if i recall
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Old 02-03-2016, 03:29 PM   #6
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adding a vTPS is an easy mod. you want it for tpsDOT over mapDOT enrichments.
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Old 02-04-2016, 02:09 AM   #7
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Quote:
Originally Posted by hi_im_sean View Post
I got the sensor from rockauto for like $20 and adapted it myself.

Wells tps201 if i recall
Nice, Just snagged the second to last one for $20 shipped.

Still, I'll try out my pet theory and report back tomorrow for internet posterity.
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Old 02-04-2016, 08:59 PM   #8
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I moved the 1k resistor from ground to 5v, jumped TPS to 2L (which is 4L on the DIYPNP) and set the calibration in reverse where 1023 is closed and 0 is WOT. Now it says 100% throttle at WOT and 0.1 everywhere else. I'd get under the hood and rotate the TPS to give myself a little room to let off the gas, but those screws are in a weird place and my VTPS arrives in a week
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