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Old 11-29-2023, 03:54 PM   #1
mik36
 
Drives: VERSO S
Join Date: Jul 2021
Location: Bromsgrove
Posts: 44
YARIS 1.3 Vaccum from EVAP line

Gents

I had this strange issue in 1.3 petrol engine the evap line I can feel have a high pressure vacuum
When I open the tank cap I feel hissing noise feel pressure released
Is this normal
I was looking at the evap purge valve which has one line from fuel tank evap this line has got vaccum in it and when I removed the finder the rpm increases this line connected to black pipe in the valve there is grey one from this valve which i believe goes into engine


No codes.
When I remove my finger from evap line the rpm increases and LTFT jumped to 9
Any help to test cross check would be highly appreciated
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