i have a problem with my 1990 mazda 626?

  • Thread starter Thread starter shrek123456789123456789
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shrek123456789123456789

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my mazda is accelerating itself when the fan goes on what can be the problem i dont know what to do please help
 
That is quite normal The fan draws quite a lot of power so the computer speeds the engine up slightly to compensate when the fan starts. Rpm should increase by about 300
 
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