Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2005CHEVY EXPRESS H1500, VAN PASSENGERREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 1 (ENGINE CONTROL SYSTEM - 4.3L - INTRODUCTION)REPAIR INSTRUCTIONSIDLE AIR CONTROL (IAC) VALVE REPLACEMENTIAC VALVE RESET PROCEDURE
2005 Chevrolet Chevy Express H1500, Van Passenger
IAC Valve Reset Procedure
2005 Chevrolet Chevy Express H1500, Van PassengerSECTION IAC Valve Reset Procedure
WARNING: This page is about a different variant/trim than selected.
- Turn ON the ignition for 20 seconds.
- Turn OFF the ignition for 10 seconds.
- Start the engine.
- Check for the proper idle speed.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.