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Shifting problem? Bad ECM?

1K views 4 replies 4 participants last post by  stoveguyy 
#1 ·
Hello!

My 93 N* sts is not shifting like it should. Main problem is shifting from first to second gear. I would describe it as a stall or something. On calm accelration i almost can't feel it, but when i floor it or half-gas it then i can feel a stall in shifting. When changing from third to fourth or from second to third there is no stall but the shift is sometimes very harsh. The trans was changed 3 months ago. My guess for now would be a ECM gone bad, which could mean that the pressures in the trans are not OK and thats the reason for my problem. Does anyone know what are the main symptoms when a ecm has gone bad?
 
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