Metro L3-061 1.0L VIN 6 TBI (1998)
Throttle Body: Service and Repair
Throttle Body Service
Throttle Body Service
Cleaning Procedure
Notice: Do not place the following components in a solvent or cleaner bath:
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The Throttle Position (TP) sensor
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The fuel pressure regulator diaphragm assembly
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The fuel injector
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Any other components containing rubber or electrical parts
Do not soak the TBI unit with these components attached. Keep the soaking time in the cleaner to a minimum if the TBI unit requires cleaning. Follow
these instructions in order to avoid damage to the TBI unit and component parts.
Important: Use only Carbon X (X-55) or an equivalent cold immersion cleaner for soaking the throttle body fuel injection (TBI) unit assemblies.
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Soak the metal parts of the TBI assemblies in a cleaner bath if necessary.
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Remove any dirt or burns from the fuel and air passages in the TBI assemblies.
Caution: Wear safety glasses when using compressed air in order to prevent eye injury.
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Dry all metal components with compressed air.
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Clean the passages and the fuel injector chamber with compressed air
Inspection Procedure
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Inspect the casting mating surfaces for damage that will affect proper gasket sealing.
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Inspect the throttle valve and throttle shaft for free and smooth movement.
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Inspect the fuel injector inlet filter for dirt or damage. If dirt is present check for foreign materials in the fuel pipes and the fuel tank. Repair as
necessary.
