Oil consumption

Tiny
MOPARMAN64
  • MEMBER
  • DODGE TRUCK
I have a 1993 dodge b350 camper van. I am consuming approx 1 qt of oil every 200 miles. No visable oil leaks, but a black ring around the tail pipe. Truck runs strong with only 48,000 mi on her.I believe it had extended periods of nonuse. Also not pushing smoke from tailpipe. Just passed nj emissions testing with low readings guy at motor vehicle said he thought the truck had a good motor based on his readings. Any idea what would cause this?Oh yeah 360 cid enginefuel injected.
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Monday, August 6th, 2007 AT 7:47 PM

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Tiny
HORSE
  • MEMBER
I dont have the answer to the problem but I have a 360 in my 1999 dodge ram pickup as well and it uses the same quart in every 200 miles.I have watched the tail pipe at every startup and turn the mirror to watch it going down the road and I have never seen it smoke yet but the inside of the tailpipe is sooty. The garage floor is also clean so no visible leaks. The coolant is also free from any oil and temperature runs normal so I dont think I have a head gasket leaking.I'm going to try some LUCAS oil treatment just to see if it imoves the situation. My truck only has 63000 miles on it and so it hasnt been driven a whole lot in it's life and I only drive it once every two weeks or so.
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Tuesday, October 9th, 2007 AT 3:39 PM
Tiny
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Thanks, you have the exact same thoughts that I did.I've been all over that engine, not a hint of a leak. The air filter is good and the pcv valve and hose are good also.I did find a TSB for that particular vehicle and it has something about spark knock and oil consumption in it.I have a call into the dealer service to see what thats about.
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Wednesday, October 10th, 2007 AT 7:53 AM
Tiny
HORSE
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Is there a chance that the engine in that van is a 94'?
I found a service bulletin that covers that engine from 94' to 99' that has the intake plenum pan gasket leaking and it creates an internal vacuum leak which results in oil consumption.
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Wednesday, October 10th, 2007 AT 1:42 PM

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