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Probably the intake manifold gasket needs replacement. Since the engine has large amount of oil under the intake manifold, and its gaskets are all that keeps the oil out of the intake manifold's vacume, that is a reasonable place to start thinking about. The PCV, ( positive crankcase valve ) could be stuck as well. That's easily checked by unplugging it from the engine and shaking it, and put your finger over the end of it with the engine idling. That valve is a very simple device, generally speaking, if it rattles when you shake it, and you can feel some vacume when you cover its engine side with your finger, it's OK. It has two manners of operation. It blocks the high engine vacume on deceleration, and allows some suction through the engine to reburn any blowby instead of allowing it to escape into the atmosphere.
What else can I help you with?
Will a 91 Buick Regal engine fit into a 91 Buick Park Avenue?
If they are the exact same engine (3800 tuned port injection) then yes.
What is the difference between the 3800 series II engine and the 3800 Series III engine?
About 20hp.
What cars will fit a 3800?
Alot of buick regals and lesabre's came with the 3800 engine
What size is the 3800 motor on 2007 G6 3.5 or 3.9?
A 3800 engine is 3800 no mater what is mounted in. But a 2007 Pontiac G6 does not have a 3800 it has a 3500 (3.5L) V6.
What is the difference between the 3800 series 2 and 3800 series 3 gm engine?
About 20hp.
Does a buick park ave 3800 engine have a timing chain or rubber belt?
The 3800 V6 has a timing chain.
Where is the knock sensor located on a 95 oldsmobile 98 with a 3800 engine?
The knock sensor is located on the 95 oldsmobile 98 with a 3800 engine under the midpoint of the heads.
What does the side mark 3800 SE stand for on the Pontiac Grand Prix?
"3800" indicates that the car has the 3800 Series II V-6 engine (3.8L). The SE is the trim level which decodes as "Standard Edition." GP's without the 3800 badge are equipped with the base 3.1L V-6 engine.
What is the firing order for a 2000 Pontiac firebird 3800 engine?
The firing order for a 2000 Pontiac Firebird with a 3800 engine is 1-6-5-4-3-2. This means that the engine fires in this specific sequence, which is important for proper engine operation and performance. The 3800 engine is a V6, so this order helps ensure smooth running and balance.
What is the oil capacity of a 1996 3800 engine?
The capacity of a 1996 engine is about 14 gallons
What model cars carried the 3800 supercharged engine?
the GTP model has the supercharged engine in it
What would a 1998 contour new engine cost?
about 3800
