nismo502

iTrader: (2)

After installing VTPS in my Miata, the TPS Calibration for 0% ADC is 294 and 100% ADC is 2896 and that was 6 months ago.
Last week, my car start stumbling on cruise and i found that that mysteriously, the TPS is only reading 50% when I full throttle. So i readjusted the TPS and last week the TPS Calibration for 0% ADC is 156 and 100% is 1398.
Just today, my car started stumbling again, and i found that my tps is reading 50% again!!!. So i readjusted again, and the TPS Calibration for 0% ADC is 126 and 100% is 630.

Can you tell me where the problem is likely to be? The TPS or the adaptronic output?

curly

iTrader: (25)

Is it loose?

nismo502

iTrader: (2)

Thats what i thought initially. I checked, No it was not loose.

Techsalvager

bad wiring in tps or bad solder joints?

Braineack

iTrader: (62)

Still getting 5v

nismo502

iTrader: (2)

i figured its the TPS, i am getting 5v at the connector and 0.2v on close throttle and 1v at full throttle.
Waiting for my BMW tps to arrive in Singapore and its taking agesssssss

Braineack

iTrader: (62)

probably the case, if at WOT you're only getting 1v to the output that's the issue.

nismo502

iTrader: (2)

Guys, would anyone know if the NB tps would fit the 1990 NA?

nismo502

iTrader: (2)

just in case someone has the same problem. Yes, changing the TPS solves my problem.