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Secondary Air Injection Incorrect Upstream Flow Detected
Trouble code P0446 means:Evaporative emission control system vent control circuit malfunction
what is fault code P0102 in a Chevy Tahoe?
you have a fault code on emission systems
Try to disconnect the battery for a few minutes.
Left front tire pressure monitor fault signal.
inefficient catalyst
Trouble code P0440 means:Evaporative emission control system malfunction
In many cases the fuel cap is at fault, or a cracked vapor/vacuum hose.
catalyst system fault
Igniton System or Misfire
The fault code P0404 means " Exhaust Gas Recirculation Control Circuit Range/Performance". __________________ Allobd2.com