Surge under throttle

K-Series Programmable ECU installation questions / support issues
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dickamusmaxamus
Posts: 6
Joined: Mon Jun 04, 2018 1:54 pm

Surge under throttle

Post by dickamusmaxamus »

Super strange issue here, I think I have a bead on the issue but I wanted opinions.

Attached is a datalog from my car. Before the car fires up you can see that the TPS appears to read just fine, 0-99. (needs to be re-calibrated)
Once the car starts up however, the car surges badly under consistent throttle input, and the TPS appears to not read until it hits about 30% input. Does that indicate that the TPS is the issue here, or is there a second possible issue I'm missing.
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dickamusmaxamus
Posts: 6
Joined: Mon Jun 04, 2018 1:54 pm

Re: Surge under throttle

Post by dickamusmaxamus »

https://photos.app.goo.gl/mkqmPJfGw4mjcnQ58

Above is a video describing the situation. The car ran brilliantly until about a week ago.
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Spunkster
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Posts: 23878
Joined: Fri Sep 20, 2002 5:06 pm
Location: Hondata

Re: Surge under throttle

Post by Spunkster »

It sounds like that TPS is bad and should be replaced.
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