1994 Mazda B3000 engine races when AC or heater fan or headlights are on

Tiny
DARRYL LEWIS
  • MEMBER
  • 1994 MAZDA B3000
  • 86,000 MILES
WHEN I TURN ON THE HEATER FAN OR AC FAN TO HIGH OR TURN HEADLIGHTS ON THE ENGINE RACES. ALSO WHEN GOING DOWNHILL IN NEUTRAL THE ENGINE RACES
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Monday, October 31st, 2011 AT 9:55 PM

1 Reply

Tiny
FIXITMR
  • MEMBER
Idle is controlled by IAC valve. Could be faulty.
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Wednesday, November 2nd, 2011 AT 2:37 AM

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