with me it was the o2 censer
You probably have a vacuum leak. Check intake manifold and throttle body gaskets as well as vacuum lines.
Low fuel pressure
In my experience with my Chevy it was a ground wire
Bad are burnt intake or exhaust valve. Pistion rings broken, Burned pistion. Blown head gasket. That is all that would cause no compression are a loss of compression.
have you checked your fuses?
Bad heater core.
The 2005 Cavalier could have a fuel leak. Have the entire fuel system checked, as a fuel leak can cause a dangerous fire.
There are several things that can cause your 1995 Chevy Cavalier transmission not to go into drive or reverse. The most common cause is a lack of transmission fluid. A broken shifting fork will also cause the problem.
bad o-rings or not seated and tightened down properly
Blown Head Gasket or Bad Cylinder Head
most likely an intake gasket
Crack in intake or exhust, or belt glazing- Check all the intake and exhust bolts.
You need to replace your intake manifold gasket. Chevy had a bad problem with these gaskets.
Problems that cause stalling after starting # Loose or faulty electrical connector at ignition coil # Insufficient fuel reaching the fuel injectors # Vacuum leak at the gasket between the intake manifold/plenum and throttle body # Fault in the engine control system # Intake air leaks,broken vacuum lines
The 1997 Cavalier has two motor mounts, as well as a transmission mount. If the mounts are broken the motor can move around and cause damage to components under the hood.
That would probably cause it to run lean.
The trans is electronically shifted so the sensor being bad is a likely cause.
You will need to replace the intake gaskets to fix your problem. The HEAD GASKETS will not be your problem.
You need to check all of the mounts. Get a manual to show you where they are.
a bad head gasket or intake manifold gasket.
the intake gaskets on these motors are known to break and coolant will run along the intake and head down the back of the motor.
Have your ball joints checked out.
you most likely need an alignment or your tires just need to be balanced