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1997 ford ranger 2.3l p1443 code how do you fix this?

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1997 ford ranger 2.3l p1443 code how do you fix this?

Vehicle: 1997 Ford Ranger 2.3L

1 Answer

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Here is a list of possible causes.

  • Diagnostic Trouble Code (DTC) P0443 indicates a failure in the EVAP canister purge valve circuit. Possible causes:
  • VPWR circuit open
  • EVAP CANISTER PURGE open
  • EVAP CANISTER PURGE shorted to PWR GND or SIG RTN
  • Damaged EVAP canister purge valve
  • Damaged PCM
  • Key off.
  • Disconnect EVAP canister purge valve.
  • Key on, engine off.
  • Measure VPWR circuit voltage at EVAP canister purge valve harness connector.
  • Key off.

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