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So I connected my laptop to my car and got these results:

 

nips nissan conzult.jpg

This is with my demist front screen thing on, temp set to 30C

 

 

 

nips nissan conzult 2.jpg

This is with the demist thing in the off position

 

 

 

james nissan conzult.jpg

This is my friends Z working perfectly

 

 

My O2 sensor seems to be broken as it never changed from 0.04V. On top of that my IACV-AAC/V reading only changes from 25-27% when the demist is on/off.

 

My car hesitates when sharply pressing the gas. It almost stalls when you try to do a spirited start. Im hoping someone can look at this and suggest a route to take. Im thinking that the O2 sensors and the idle air control valve need replacing and testing the car again.

1990 Black MT NA LWB = 2014 - 2020 (Sold)

1991 Red MT TT LWB = 2015 - 2017 (Stripped & Scrapped)

1991 Red MT TT LWB = 2017 - 2021 (Sold)

1991 Black MT TT LWB = 2018 - 2021 (Sold)

1989 Red AT TT LWB = 2021 - XXXX (Kept)

Featured Replies

Well, for a start, your ignition timing is out! It's meant to be 15 BTDC, as per your friend's Conzult readings.

Well, for a start, your ignition timing is out! It's meant to be 15 BTDC, as per your friend's Conzult readings.

 

The timing shown is the Ecu calculation based on value inputs from varies sensors and mapping parameters and is not necessary the actual timing, that would need to be checked with a strobe light. However saying that your are correct in as far as its should be showing 15 deg, therefore there is an issue that is holding the timing high and so keeping the revs high too. My first thought would be the tps closed throttle switch is not working correctly, both screens show that greyed out so cannot be sure, as that looks like a light version of ConZult the feature may be missing or not working.

 

Checking for closed throttle can be done with a test meter if required, possibly a missing neutral signal can raise the timing but usually by a different amount, your friends car has its own issues with an over high tps reading so neither car seems to be set up correctly.

 

Jeff

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