1995 Mazda Protege only on acceleration

Tiny
PBUBONJA
  • MEMBER
  • 1995 MAZDA PROTEGE
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 165,000 MILES
When cool, it runs rough. When warm, runs ok unless I press the pedal to hard or punch it. Then it runs rough, like it is going to stall.
does the same thing in neutral, so its not the tranny.
sound like advance timing is not working.
Thursday, December 3rd, 2009 AT 8:32 AM

1 Reply

Tiny
BSPCARS
  • MEMBER
  • 1 POST
Check the air intake hose, especially the accordian like section, for a crack. An air leak in this hose allows air in past the mass airflow sensor and will cause the symptoms you describe. You can buy a replacement online for about $36, dealership will want around $60.
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Monday, December 7th, 2009 AT 5:29 PM

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