Toyota Corolla (E120): Mass or volume air flow circuit range/performance problem

Mass or volume air flow circuit

Circuit description

Other materials:

Circuit description
The vapor pressure sensor, vsv for canister closed valve (ccv), vsv for pressure switching valve are used to detect abnormalities in the evaporative emission control system. The ecm decides whether there is an abnormality in the evaporative emission control system based on the vapor pressur ...

Adding engine oil
■ Checking the oil type and preparing the item needed Make sure to check the oil type and prepare the items needed before adding oil. Engine oil selection Oil quantity (Low level mark Refill upper limit mark) 1.6 qt. (1.5 L, 1.3 Imp. qt.) Item Clean funnel ■ Adding engine oil If the oil ...

Inspection procedure
Hint Advanced timing over (valve timing is out of specified range) P0011 Retarded timing over (valve timing is out of specified range) P0012 If dtc p0011 or p0012 is displayed, check the vvt system circuit. Read freeze frame data using the hand–held tester o ...