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There is NOT an EGR valve on this engine.
How do you replace an 1994 3.1 Oldsmobile Achieva s radiator?
4x6 in the front 6x9 in the back
If you need to know that. You should not be behind the wheel.
ignition control moduel common problem ..
Under the dash on the left side of the steering column/
to the left of the right rear tire It'son the front of the gas tank.
On my 93 it is under the kick panel under the dash on the passenger side. Fairly easy to get to.
Fuel pressure regulator, check vac line for fuel in it.
Check the oil sending unit first, if this turns out not to be the problem then you might have a bad oil pump. If this is the case you should invest in a repair manual for vehicles that carry your make and model and year of car I bought mine for about 20.00$. good luck.