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1989 Mazda B2200

Tiny
ESTRADA11414
  • MEMBER
  • 1989 MAZDA B2200
Engine Performance problem
1989 Mazda b2200 4 cyl Manual

I just bought a 1989 mazda b2200 5 speed a few months back I recently took it to get smogged and it failed three times it runs very good all I was told is that it is running rich and that it has a crack in the crank shaft valve I have replaced the catylitic converter replaced all filters all spark plugs & wires vaccuum hoses dont know what to do to correct this problem I really need to know if this is fixable
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Wednesday, May 28th, 2008 AT 6:09 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
It failed three times it runs very good all I was told is that it is running rich

Possible causes include a bad O2 sensor, excessive fuel pressure (bad fuel pressure regulator or plugged return line), leaky fuel injectors, dirty air filter or restricted air inlet, or a defective coolant sensor that prevents the engine management system from going into closed loop mode.
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Wednesday, May 28th, 2008 AT 6:16 AM

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