Scion Xa Engine Shaking
Scion xa shaking when idling diagnosis there are a lot of reasons why your xa may shake when idle.
Scion xa engine shaking. When the air conditioner is on it put more of a load on the engine causing the hood to vibrate more. If it is get the trouble codes. The most frequent causes of a vehicle shaking while driving stem from tire issues. Tires begin to behave differently when worn or out of balance.
An engine misfire is the most common cause of a shaking idle and as the engine stumbles and misfires that should be seen in the tachometer as a drop in rpm. This has been mentioned on other forums and the fix is to put more pressure on the hood by raising the rubber stoppers. When i turned the holder away from the engine and 015 012then retightened the strap that holds the filter housing properly i 015 012lose the knocking. If the tachometer is rock steady and the shaking seems worse in gear than out of gear that s a pretty good indication of a bad motor mount.