1994 Lexus SC 400

1994 LEXUS SC 400
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SINK59
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  • 1 POST
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.
Sep 2, 2010 at 7:47 PM
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MHPAUTOS
  • ✓ASE Certified Mechanic
  • 31,937 POSTS
  • ASE Certified Mechanic
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)
Sep 3, 2010 at 12:01 AM
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