5-22 FUEL SYSTEM AND THROTTLE BODY
THROTTLE BODY CLEANING
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• Clean all passageways with a spray type carburetor cleaner
and blow dry with compressed air.
"
THROTTLE BODY INSPECTION
• Check following items for any damage or clogging.
* O-ring * Secondary throttle valve
* Throttle shaft bushing and seal * Injector cushion seal
* Throttle valve * Vacuum hose
Check the fuel injector filter for evidence of dirt and contamina-
tion. If present, clean and check for presence of dirt in the fuel
lines and fuel tank.
Some carburetor cleaning chemicals, especially dip-
type soaking solutions, are very corrosive and must
be handled carefully. Always follow the chemical man-
ufacturer’s instructions on proper use, handling and
storage.
Do not use wire to clean passageways. Wire can dam-
age passageways. If the components cannot be
cleaned with a spray cleaner it may be necessary to
use a dip-type cleaning solution and allow them to
soak. Always follow the chemical manufacturer’s
instructions for proper use and cleaning of the throttle
body components. Do not apply carburetor cleaning
chemicals to the rubber and plastic materials.
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