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Old 01-03-2016, 12:21 AM   #1
Bluevitz-rs
1NZ-6spd
 
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Drives: '05 6-Spd Vitz RS
Join Date: Oct 2008
Location: Oshawa, Ontario, Canada
Posts: 2,967
Cutoff at low RPM during gentle acceleration - Yaris Verso 1.3 VVTi

Are there any codes?

Can you still drive the car or does this only happen under light throttle application?


Sent from my iPod Touch
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Old 01-03-2016, 05:24 AM   #2
jackmilas
 
Drives: Yaris Verso 1.3 2000 automatic
Join Date: Nov 2015
Location: Poland
Posts: 33
Quote:
Originally Posted by Bluevitz-rs View Post
Are there any codes?

Can you still drive the car or does this only happen under light throttle application?


Sent from my iPod Touch
There are no codes when I check it with iPhone app OBD Fusion.

I can still drive the car. It happens only at light throttle at around 1200RPM and under a load. I can't reproduce it on neutral. In normal use it just gives me one or two "jumps" during light acceleration from complete stop. 1-2 out of 5 times it won't happen at all.

My guess is that ECU cuts the fuel off because some specific sensor values are met. Things that didn't help:

- disconnecting MAF sensor
- disconnecting both O2 sensors
- 98 octane fuel instead of 95
- injector cleaner fluid

The car has 140k kms, 15 years old.
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