Chervy optra 2007 engine light diagram - Optra Chevrolet Cars & Trucks

Does it misfire or have any other driveabilty issues ?

the temp sensor is located on the right side of the engine under the intake manifold on the engine block.

PO342 - Camshaft Position Sensor A - Bank 1 (Circuit Low Input)

Take it an have checked for DTC'S - diagnostic trouble codes . Do you know what they are ? Check Engine Light On

possible low on ac gas or AC pump clutch is bad,or frozen AC pump

either ur crank sensor is faulty or hold switch on shifter console.

flashing is a severe condition, most cases it is from random multiple misfires, i would get it checked soon.

check transmission fluid and is the check engine light on

Fuel injector's

2005 Chevrolet Optra has four available engines: 1.4L (DOHC), 1.6L (L91), 1.8L (L79) and 2.0L (L34 GMDAT).

If you would like a belt routing diagram, it would be helpful if you would mention which of these engines your Optra is equipped with.