1995 Chevy Astro GAS DRAINS into oil

Tiny
ARIFMBUTT
  • MEMBER
  • 1995 CHEVROLET ASTRO
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 153,000 MILES
The gas drains by mixing up with oil. I find my OIL CHAMBER mixed and filled with GAS.
The van is parked in my Garage for the last 5 years. It is like new.
Please advise what to do?
Sunday, July 26th, 2009 AT 8:55 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
I would start with checking the fuel pressure. If the regulator is bad, there may be too much pressure in the system allowing it to make its way to the oil. Also, when running, is the exhaust black? You could also have a bad injector. There are other things that could be bad too, but this is where I would start checking. Has the check engine light come on?

Here is a how to for checking fuel pressure:

https://www.2carpros.com/how_to/how_to_check_fuel_pressure.htm

Let me know.
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Thursday, September 3rd, 2009 AT 8:00 AM

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