Video: RPM DROP WHEN AC IS ON - EFI ENGINE IDLE UP - SERVO - IDLE AIR CONTROL VALVE Problem How To Diagnose

Does the RPM of your car drops when you turn on the A/C? Or during cold start your engine seems dying but becomes normal when it is already warm. Maybe the servo or iac valve is at fault. But it ain't cheap. So you better know what to check first before buying new iac valve.

WANT TO BUY TUNING INSTRUMENTS?

Below are the links of tuning instrument i used on my tutorials

VGATE MAXISCAN SCAN TOOL

http://bit.ly/2kKntcP

TRISCO TIMING LIGHT

http://bit.ly/2kzklAL

VACUUM GAUGE

http://bit.ly/2lU6Qvt

AUTOMOTIVE TESTER / RPM TESTER

http://bit.ly/2kKMLHZ

COMPRESSION TESTER

http://bit.ly/2kKNgBR

TEST LIGHT

http://bit.ly/2mfClk1

EKLEVA HD DASHCAM

http://bit.ly/2kKpMwv

MOMO STEERING WHEEL

http://bit.ly/2lSjs6i

CAR CP CHARGER

http://bit.ly/2keTedS

CAR BATTERY CHARGER

http://bit.ly/2mi73sV

COIL SPRING COMPRESSOR

http://bit.ly/2lTcmPi

VALVE SPRING COMPRESSOR

http://bit.ly/2kh7yTj

COIL CPRING CUSHION

http://bit.ly/2lO7WJq