S15/T15 2WD P/U V6-262 4.3L VIN Z (1992)
Throttle Body: Description and Operation
The TBI 220 unit consists of three assemblies:
^ Fuel meter cover with:
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Fuel pressure regulator
^ Fuel meter body with:
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Fuel injectors.
^ Throttle body with:
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Idle Air Control (IAC) valve assembly.
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Throttle Position (TP) sensor.
