TPS reset question

Biondino Posts : 244 Join date : 2016-09-28 Age : 61

Hi gents,

Yesterday I balanced my throttle bodies and did a final TPS reset with engine off after having finished the procedure. After starting the engine TPS changed from 4.8 to 5.2 at idle. Now I'm not quite sure whether TPS has to be reset with engine on or off after syncing throttle bodies....any suggestions?

GRiSO Capo Posts : 8742 Join date : 2013-09-30

Do not reset the TPS with engine running. Fluctuations while the engine is running is normal behaviour. Mine sits at 5.1/5.2 at idle, and I'm not concerned.

Biondino Posts : 244 Join date : 2016-09-28 Age : 61

Exactly the same as mine does, good to know having done TPS reset the right way, thx for the info Beetle!

Carlotto Posts : 27 Join date : 2021-08-19

Hi,

I'm reactivating this old topic to ask for help to the people more iluminated on the subject Smile

I read here frequently about making the TPS reset. I have done too, now and then, and it seems to improve the engine response.
When I installed the Beetle map on the ECU, I had to do the TPS reset, and also the self-learning parameters reset.
Finally the question: is there any advantage in reseting the sel-learning parameters now and then or you just do it if you change the map, i.e.?

Thanks and BR,
Matias

GRiSO Capo Posts : 8321 Join date : 2013-05-29 Age : 64

If you're running an open loop map like a Beetlemap there should be no need to reset the self learning parameters as there is no manipulation of the fueling by lambda input so nothing is 'Learnt'.

GRiSO Capo Posts : 8742 Join date : 2013-09-30

What Pete said.

Thumbs Up

Carlotto Posts : 27 Join date : 2021-08-19

Ok. Thanks guys.