1993 Mazda MX3 Idle surges when in in gear

1993 MAZDA MX3
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KWHITLER
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Engine Performance problem
1993 Mazda MX3 6 cyl Two Wheel Drive Manual

Idle is high (1500 rpm) when in neutural and pulses between 1000 rpm and 1500 rpm when in gear.
Oct 12, 2010 at 7:03 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Inspect and test the idle air control valve, EGR valve, airflow meter and throttle position sensor-also look vacuum leak
Oct 12, 2010 at 10:18 PM
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