Running problem when warm

[neilrobinson1988]

Hey, I’m new to forum.

 

Had my avensis for just over a year. It’s a 2.2 d4d last week alternator went on it I replaced that now car runs fine when cold but soon as temp needle hits the last temp bar (normal operating temp, line below half way) it kills the power. Couple have said temp coolant sensor so iv ordered that, iv order tis software see if it will help me.

 

Iv had suggestions like turbo and timing chain. Any one had this problem? No smoke or any other symptoms

 

 

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