How to Clean Throttle Body
Learn how to clean throttle body with our detailed step-by-step guide. Follow our easy instructions to get it done right.
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0 of 6 steps completedStep-by-Step Instructions
1 Step 1: Locate Throttle Body
Step 1: Locate Throttle Body
Find throttle body between air filter and intake manifold (where air intake hose connects).
2 Step 2: Remove Air Intake Hose
Step 2: Remove Air Intake Hose
Loosen hose clamp, disconnect air intake tube to expose throttle body opening.
Screwdriver Set
Tools for loosening hose clamps and fasteners
3 Step 3: Inspect Throttle Plate and Bore
Step 3: Inspect Throttle Plate and Bore
Look for carbon buildup on throttle plate and inside bore - this causes rough idle.
4 Step 4: Spray Throttle Body Cleaner
Step 4: Spray Throttle Body Cleaner
Spray throttle cleaner on throttle plate and bore, use brush for heavy deposits.
Throttle Body Cleaner Spray
Spray cleaner for removing carbon deposits
Detailing Brush Set
Soft brushes for scrubbing throttle body
5 Step 5: Wipe Clean with Cloth
Step 5: Wipe Clean with Cloth
Use clean microfiber towel to wipe away dissolved carbon and cleaner.
Microfiber Towels
Lint-free towels for wiping throttle body (pack)
6 Step 6: Reinstall and Reset ECU if Needed
Step 6: Reinstall and Reset ECU if Needed
Reconnect air intake, start engine - may need to disconnect battery briefly to reset idle learn.