2003 Mazda Protege 2003 Protege ck engine lt on, hesitates

2003 MAZDA PROTEGE
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TIPEJG
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  • 1 POST
Engine Performance problem
2003 Mazda Protege 4 cyl Front Wheel Drive Automatic

Code check = 0171 "Too Lean"; car intermittantly idles rough when stopped in traffic and hesitates on acceleration. Idles normally when in park. Where do I start?
Jan 21, 2010 at 9:51 PM
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TOOOMANYTOYS
  • ✓ASE Certified Mechanic
  • 513 POSTS
  • ASE Certified Mechanic
A good place to start would be to check for vacuum leaks. Sometimes you can hear a hissing noise and trace it to a leak.
Jan 21, 2010 at 9:55 PM
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