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Old 10-02-2013, 01:15 PM   #15
wparsons
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If it was the head gasket, the smoke would typically be worse when you're driving at higher revs, not when idling.
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Old 10-02-2013, 01:45 PM   #16
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Quote:
Originally Posted by wparsons View Post
If it was the head gasket, the smoke would typically be worse when you're driving at higher revs, not when idling.
I have a video somewhere of my car at idle with a blown head gasket. It's insane how much smoke comes out once the car was warmed up.

As for this scenario, the OP's car seems to have a similar exhaust smoke like when the car is cold. The only thing I can think of is possibly some type of narrow-band sensor in the exhaust or intakeflow sensor that is making the car receive incorrect info. This would make the ECU run different air/fuel settings here and there possibly explaining the random white exhaust which isn't a constant
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Old 10-02-2013, 04:23 PM   #17
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Originally Posted by Jason@DSG View Post
I have a video somewhere of my car at idle with a blown head gasket. It's insane how much smoke comes out once the car was warmed up.
I bet it smoked worse at higher RPM though... it can definitely smoke at idle.
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