SOURCE: 1993 Geo Prizm lack of horsepower
Clean the mass airflow sensor (or replace it outright) and change your oxygen sensor. Those are very big contributors to fuel mileage. Also, verify that the new plugs are gapped correctly.
SOURCE: 1994 Geo Metro Oil in breather
sound like the engine is worn out
do a compression test to start.
SOURCE: 1990 Geo prizm
I MOVE THE FUSE AROUND INSIDE THE CAR LAST NIGHT.....THIS MORNING THE CAR WOULD NOT CRANK ....LIGHTS ,HORN IS GOOD....THIS IS ON A 84 GEO PRIZM....
SOURCE: this is a 95 geo prizm lsi 1.8 with corolla
CHECK FUEL PRESSURE AND FUEL PRESSURE REGULATOR.YOUR FUEL PRESSURE SHOULD BE 38 - 44 PSI.IF FUEL SYSTEM GOOD.YOU COULD HAVE BAD OR STOPPED UP FUEL INJECTORS.TRY CLEANING FUEL INJECTORS FILL GAS TANK UP.PUT A BOTTLE OF INJECTION CLEANER IN FUEL TANK.DRIVE CAR AROUND THE BLOCK.OR DRIVE A FEW MILES SO THE INJECTOR CLEANER CAN FLUSH OUT THE INJECTORS.IF THIS DONT WORK.SCAN IT FAULTY INJECTOR FAULTY TORQUE CONVERTER AND IDLE SPEED CONTROL.
SOURCE: Head Gasket?? Valve cover Gasket???
most likely it is the valve cover gasket. it covers the valve train where there is alot of oil to lube the top of the motor. if the head gasket was leaking it may have more signs of running poorly. also having coolant leaks also. so i will have to say valve cover gasket. now usally you may have a oil burning smell with it depending on the area of the lek but not always.
the valve cover can easily be seen when the hood is open. it is right on the top and where it meets the clyinder head is where the gasket is and the leak can be seen.
if you have more question please ask.
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