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change engine oil light comes on


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Hi,

Just changed to mobil1 10w30, been running on new oil/filter for about 600 miles.

When I start the engine the 'change engine oil' warning shows up (for about 20-30sec. then goes out).

 

The temperature did drop a lot overnight. Yesterday it was around 70F and today it's 45F.

It started doing it today.

Would the temps have anything to do with it?

 

What exactly does the sensor read in the oil (dirt, sludge, viscosity)?

 

t

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Would the temps have anything to do with it?

 

What exactly does the sensor read in the oil (dirt, sludge, viscosity)?

 

 

 

 

 

No temps. don't have anything to do with it. My guess is you did not reset the computer when you changed the oil. What you need to do is turn the ignition to "Run" but not starting the truck. Floor the accelorater three times, within three or five seconds. (The manual tells how many seconds.) The change oil light does no oil sampling of any knid. It is simply a computer calculation based on miles, type of miles, number of start-ups etc...

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