Thread: Topped off oil, took for test drive and car is abnormally sluggish.
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Old 08-01-2016, 11:57 AM   #13 (permalink)
nis350
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so how much did you overfill exactly and curious as to why it impacted the idle speed?

Quote:
Originally Posted by TreeSemdyZee View Post
Overfilling will definitely cause huge issues.
I overfilled mine earlier this year and caused major problems. It would not idle correctly and after a serious idle issue the idle reset itself to about 1100 rpm.
I let the car drain for an extended period of time to try and clear the air bubbles caused by the overfill. When I drained the oil, there were a LOT of air bubbles. I then had to pull the battery cable to reset the ecu.
Due to all of this, I no longer ever fill to the Full line.
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