high pitch noise at idle - Page 2 - Toyota Yaris Forums

CTScott · 12-21-2012, 11:24 PM

Quote:

Originally Posted by mokmok

Is there any way to bypass the knock sensors for testing purpose?

Try connecting a 120K to 280K resistor to the knock sensor connector, in place of the sensor.

mokmok · 12-24-2012, 07:50 AM

Ok I tried that, still no change at all

I also noticee when I am on the highway if i press the clutch the rpm drop to 500 then go up to 1500 then 1000 then sudden drop back to 500 :s

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
vitz high idle problem after cleaning the throttle body.	dindy	DIY / Maintenance / Service	20	11-07-2012 05:05 PM
NEED ENGINE CHECK LIGHT CODE LIST	Attitude	Forced Induction Forum	12	04-11-2011 06:38 PM
chirp/squeak noise just off idle when cold	tadc	DIY / Maintenance / Service	14	02-20-2011 03:09 PM
annoyin noise (ticking or rattling) on idle..	abdallah380	DIY / Maintenance / Service	2	04-18-2009 05:40 PM
high pitch whine at 100km/h	Moore	General Yaris / Vitz Discussion	9	06-11-2007 07:22 PM

12-24-2012, 07:50 AM	#20
mokmok Drives: Yaris RS 2007 Join Date: Apr 2012 Location: Montreal Posts: 10	Ok I tried that, still no change at all I also noticee when I am on the highway if i press the clutch the rpm drop to 500 then go up to 1500 then 1000 then sudden drop back to 500 :s