1991 Mazda b2200 High Idle

1991 MAZDA B2200
120,000 MILES • 4 CYL • 2WD • MANUAL
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RONULI
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  • 1 POST
bought truck with high idle, 3000 found idle heated exhaust pipe orange / red / reset idle screw/s and advanced timing, idle dropped to 2000 ran on freeway idle drops to 1500 as soon as i city drive idle revs back to 2000 again, tried again reseting idle screws idle now revs at 2500 /// choke doesnt work when cold no warm-up period, idle actually runs around 1000 for 15 to 30 seconds the slowly goes up to 2000, well in about 1 to 1 an 1/2 mins ////sorry no donation
May 25, 2010 at 8:04 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Adjust the choke opening and fast idle cam make sure the accelerator cable is not binding/kinked and also clean out the throttle plate.
May 25, 2010 at 9:29 PM
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