1988 Dodge Van Any fuel/air adjustment on throttle body system

1988 DODGE VAN
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DAVID LAU
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1988 Dodge Van V8 Two Wheel Drive Automatic 86k miles

The error message on check engine light shows too rich on fuel after I replaced the 2 fuel injectors. Is it possible to calibrate or adjust the fuel/air ratio so my RAM B-250 able to pass 'the test' only smog testing.
Nov 19, 2008 at 12:01 PM
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JACOBANDNICKOLAS
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Hi:
There are no adjustments. Everything is done by sensors. Make sure the O2 sensor is working.

Joe
Dec 2, 2008 at 4:26 PM
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