Quote:
Originally Posted by desertman123
My car stumbles on cold startup every time, only for a few seconds. But I'm full bolt on
I've replaced CCV hose, have a new genuine valve cover (and made sure the internal breathers are secured upon installation), new intake manifold gaskets, throttle body gasket, no MAF anymore, etc. etc.
Basically everything except O2 sensors that might cause a stumble. It might just be O2 since the catalyst isn't warm yet but these cars use the O2 sensor readings very precisely.
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This only happens after driving the car, turning it off for 5+ minutes and then starting it again.
It does not happen at all on cold start.
