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Hot fuel tank and disappeared oil

Tiny
NEEDLE
  • MEMBER
  • 2000 VOLKSWAGEN EUROVAN
  • 8,200 MILES
Got off freeway after traveling 65mlhr for 15 miles. Cabin floor over fuel tank felt hot, I opened fueling cap and it hissed, heat came out and I could see gasoline bubbling. Waited for Van to cool off a bit and checked oil (had oil changed and fluids topped off 6 weeks ago) there was no oil on the stick! What's going on?
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Friday, August 30th, 2013 AT 8:11 PM

2 Replies

Tiny
EXOVCDS
  • MECHANIC
  • 1,883 POSTS
Check for fault codes in the ECM.

Check for any signs of running too hot or too rich.

Also check the exhaust / catalytic converter for restrictions.

Pull the plugs and check which cylinders are burning oil. Usually #1 and #6
but I had a golf in not too long ago that burnt oil in all cylinders.

Thomas
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Friday, August 30th, 2013 AT 10:38 PM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,938 POSTS
Check for ash deposits on the spark plugs, this will be an indication that the cylinder is burning oil, are there any external leaks?
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Wednesday, September 4th, 2013 AT 5:09 AM

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