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Re: P0446 Vacuum Purge Valve MIL
I also have this code stored and the scanner states:
(MIL) may illuminate and diagnostic code p0446 may be stored in memory may be caused by On-Board Diagnostics II (OBD II) performing checks when conditions are not ideal.
TSB 97-19-6 reprogram powertrain control module
I hope this helps.
Rusty
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