engine missing problme chevorlet optra 2007 ! check engine light

ENGINE MISSING PROBLEM CHEVROLET OPTRA
ENGINE MISFIRE
ENGINE MISSING PROBLEM
ENGINE MISFIRE SYMPTOMS
ENGINE MISFIRE SOUND
ENGINE MISFIRE ANIMATION
ENGINE MISFIRE IDEAL
ENGINE MISSING AT IDLE SPEED, ENGINE MISFIRE WHEN ACCELERATING
ENGINE MISFIRE SOUND EFFECTS ENGINE MISSES AT IDLE SPEED
HIGH RPM ENGINE PROBLEM
HIGH IDLE SPEED
HIGH
HIGH RPM ENGINE
HIGH RPM PROBLEM
HIGH RPM
HIGH RPM DIESEL
HIGH RPM DIESEL ENGINE
HIGH RPM TDI
HIGH RPM V8
HIGH RPM MOTOR
RPM, ENGINE, PROBLEM
CHEVROLET OPTRA
CHEVROLET IVEO
OVER RPM ENGINE PROBLEM
MUKESH CHANDRA GOND
HIGH RPM AT IDLE SPEED
HOW TO FIX ENGINE RPM
HIGH SPEED RPM IDLE ISSUES
OVER RACE ACCELERATOR PROBLEM, HIGH ACCELERATOR IDLE SPEED
high idle
rough idle
vacuum leak
industrial and auto electrical knowledge