Question about 1991 Toyota Pickup
My pickup has 341,000 miles on it. 2wd, 5 speed. Yesterday I noticed a black oily splatter on the drive. It came out of the tailpipe. What could be causing this? This truck has used lots of oil for many years - I could never figure out where it was going. No black smoke out of exhaust. Runs fine.
You may notice when fired up blue smoke that fades when warm, oilrings worn..
Posted on Nov 05, 2012
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Posted on Jan 02, 2017
You either have had the wrong valve seals installed, they are physically missing, or the valves are incorrect (too loose in the guides/stem too thin). The rocker arm seals will not contribute to your issue. If it did not have the oil smoke before you took the head off, the issue is with whatever the machine shop did. Valve seals have to fit TIGHT, or oil will go down the valve stem into the intake.
Take the head back to the machine shop & tell them to fix it. For free.
Posted on Sep 27, 2008
I have toyota corona 3s engine it smokes black and fuel consuption is high we have changed the engine oil and cylinderhead gassecate but still black smoke is comming what should i do
Posted on Mar 29, 2010
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