Hesitation when gets hot

MAZDA
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SAMSIMON
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  • 1 POST
Hello every one
I have a 1995 mazda protoge 1.5L.When is cold in the morning or any time it runs good . after few milles driving start Hesitating when I accelrate the engine.this dosn't happen when the engine is cold. I replaced Mass Airflow sensor. feul pump. sparkplugs and wires.feul filter.
any dody know what is wrong plese, any help will be very appreciative
Apr 3, 2006 at 10:01 AM
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LOSONE
  • ✓ASE Certified Mechanic
  • 1,616 POSTS
  • ASE Certified Mechanic
Sounds like a bad O2 sensor giving the engine a lean condition when the computer go into open loop or it could be a bad computer temp sensor. It is located in the area of the T-stat and has two wires. the one with one wire is of the gauge.
Apr 3, 2006 at 5:40 PM
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