Inconsistent dipstick readings
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Post Fiend
Joined: Jan 2000
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From: Metro Detroit (Redford)
Inconsistent dipstick readings
I am wondering if the extra long dipsticks in these full sized vans are prone to inconsistent readings? I have a 1990 E350 motorhome with a 460 v8 and sometimes it will read at the full mark, and then later about half an inch above that. I noticed sometimes if you dip the stick and pull it within 2 seconds it will read lower than if you leave it in longer. Looks like oil drips onto the stick right above the full mark. But also have gotten higher readings on the quick dip. Anyway, it seems to handle being half inch over without foaming or other problems. Just wondered if others have this problem.
Posting Guru
Joined: Mar 2002
Posts: 2,245
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From: Vancouver Wash USA
Originally Posted by TallPaul
I am wondering if the extra long dipsticks in these full sized vans are prone to inconsistent readings? I have a 1990 E350 motorhome with a 460 v8 and sometimes it will read at the full mark, and then later about half an inch above that. I noticed sometimes if you dip the stick and pull it within 2 seconds it will read lower than if you leave it in longer. Looks like oil drips onto the stick right above the full mark. But also have gotten higher readings on the quick dip. Anyway, it seems to handle being half inch over without foaming or other problems. Just wondered if others have this problem.
New User
Joined: Apr 2004
Posts: 17
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You gotta let the vehicle sit for a long time on LEVEL ground to get an accurate reading. Lot's of oil is in the upper engine and it takes a long time to completely drain down. Best time to check your oil is in the morning before you start it up after sitting all night.
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