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11-29-2011, 02:48 AM | #1 |
Drives: Yaris 1.0 2007 Join Date: Oct 2011
Location: Serbia
Posts: 3
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Yaris 2007, 1KR-FE valves knocking
After cleaning fuel injectors in ultrasound bath I experience valve knocking in interval 2000-2500 revs when it's slight uphill. I assume that car don't have enough fuel in that moment bcs when I add gas knocking stops.
knocking is more noticeable when engine is hot. So, just after fuel injectors are cleaned that knocking started, with same fuel before it was not a problem. Now is 95 octane fuel, and still knocks. It's really annoying, can someone help please? |
12-04-2011, 09:28 AM | #2 |
1NZ-6spd
Drives: '05 6-Spd Vitz RS Join Date: Oct 2008
Location: Oshawa, Ontario, Canada
Posts: 2,967
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One can only guess that your injectors are now clogged and not delivering enough fuel causing a lean condition and thus the knocking you're hearing.
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12-06-2011, 04:00 AM | #3 |
Drives: Yaris 1.0 2007 Join Date: Oct 2011
Location: Serbia
Posts: 3
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I have solved a problem. The problem was in wrong oil. It was 10W40, instead 5W30. I just have changed oil and all sounds have disappear :)
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