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07-16-2016, 11:45 AM | #1 |
Drives: Yaris 1.5 S-Limited Join Date: Jul 2016
Location: Indonesia
Posts: 3
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HELP: Yaris Matic Idle RPM Drop
Hey guys, I joined the forum because I have been facing this in solve problem with my car.
My car is a 2010 Toyota Yaris 1.5L The problem is when ever I'm in Drive than hold the break the rpm will drop to 500 and shakes the engine. This also happen during neutral it sometime drops to 500. Especially with the ac on. Is there any solution on how to fix this? Thanks |
07-17-2016, 07:29 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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Try cleaning your throttle body.
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07-19-2016, 01:21 PM | #3 |
Drives: 2009 yaris 2 door Join Date: Feb 2013
Location: richmond TX.
Posts: 232
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belt
tighten the serpentine belt. Since this cars don't have an automatic belt tensioner the belt get's loose after a while. Mine used to do the same whenever I had the engine at Idle it would bog down on the rpm and almost die. Didn't do it anymore after tightened up the belt just don't over do it.
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07-20-2016, 06:08 AM | #4 |
Drives: Yaris 1.5 S-Limited Join Date: Jul 2016
Location: Indonesia
Posts: 3
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Thanks for the input. I have done the following since my post:
- Clean Injectors - Clean TB - Carbon Clean - Clean MAF - No vacuum leak Yet I still get the vibration and rpm drop during idle. I will try to tighten the serpentine belt. Is there any other solution? |
07-20-2016, 04:04 PM | #5 |
Drives: Decepticon - Ravage Join Date: Nov 2008
Location: San Francisco
Posts: 1,462
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normally with AC turned on the car should rev up.
Is your car battery good? my battery was really bad and i would have bad idling (manual transmission)
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