1994 LEXUS SC 400

  • Tiny
  • sink59
  • 1994 Lexus SC 400

1994 Lexus SC 400 V8 Two Wheel Drive Automatic

My car is idleing high and low and remain idle very high I change the mass air flow senisor. What should I do next.

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Thursday, September 2nd, 2010 AT 7:47 PM

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  • Tiny
  • mhpautos
  • Expert
  • 30,590 posts

Hi there,

I would clean the throttle body and check for any vacuum leaks, the idle is controlled by the ECU so a scan may give a fault code that may help.

Mark (mhpautos)

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Friday, September 3rd, 2010 AT 12:01 AM

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