What is this bad knocking sound in Toyota VVT-i engine?
What is this BAD knocking sound in Toyota VVT-i engine. Years 2001 to 2018 – YouTube If playback doesn’t begin shortly, try restarting your device.
Are there any problems with the Toyota Corolla?
This may lead to harsh transmission shifting, the engine stalling, or the engine failing to start. To address this, Toyota issued a safety recall in late 2010 to replace the ECM at no cost to the owner. Overly Sensitive Electric Power Steering System (possible): See 2012-2015 Corolla – Common Problems.
What causes engine to stall on Toyota Corolla?
Cracked Engine Control Module (ECM): The circuit board inside the ECM on some of the Corollas in this generation is prone to cracks. This may lead to harsh transmission shifting, the engine stalling, or the engine failing to start.
Why are my Toyota Corolla airbags not working?
Airbag Control Module Failure (2003-2004 Models Only): Many 2003-2004 Corolla owners have had their front and/or side airbags deploy unexpectedly. This is because the integrated circuits in their Corollas short circuited from excessive noise, causing the airbag control module to fail and the airbags to deploy randomly.
Where does the knocking come from in an engine?
Another possible source of engine knocking isn’t actually coming from the engine itself at all. It could be coming from the accessory belt. As the engine runs, it turns a belt that’s connected to various pulleys throughout the engine bay. This belt must be under the exact right amount of tension so that it turns smoothly and quietly.
Can a bad knock sensor cause an engine to knock?
There’s even a knock sensor that’s designed to detect engine knock and tell the Engine Control Unit, so it can correct the problem automatically. This naturally means that a bad knock sensor can allow the engine to knock.
Why do I hear a knocking noise in my engine?
When your engine is running smoothly, the air/fuel mixture burns up in a single, controlled detonation inside each cylinder. Detonation knock is a knocking noise that you’ll hear when the air fuel mixture in the cylinders is detonating in more than once place at a time.
Why does my Toyota Highlander make a knocking noise when braking?
I have the same noise on my 09 highlander , what it is is the inner brake pad is rocking back and forth , not up and down or side to side but actually left to right . It’s hard to explain unless you see it.