1991 Oldsmobile Ninety Eight Regency "cause engine" Questions

...cause. Can you turn the engine over by hand from the crankshaft pulley to make sure the engine is not frozen or blocked? You will need a large socket to do that, but if you can't turn the engine ...

...engine in question. The owner will have to find a technician that has such a scanner. ROUGH IDLING CAUSED BY VACUUM LEAKS AT VACUUM HOSES OR INTAKE MANIFOLD VACUUM LEAK.DIRTY INJECTORS.WEAK FUEL ...

...engine. Sounds like you have a severe vacuum leak. Poor vacuum will cause the trans to shift hard, very hard, and will also cause driveability concerns. Check all of your vacuum lines make sure they ...

...a tester on it for free or a place or parts store that sells testers and that way you can find out why the check engine light is on because it could be several things that can cause this light to be ...

cause your transmission to leak. The transmission has its own seal and should not leak because of the engine rear main seal. Due to the labor involved in replacing the rear main seal on the engine, it

engine turns over but doesn't seem to have spark at the plugs has been parked for a year what could the problem be? One possible cause is a bad ignition module inside the distributor. The center high ...

...what could be the cause of this problem. When the engine turns over real fast this indicates that there's no compression. This could be due to a broken timing belt or valve and piston

...engine, is cold. The ECU responds by injecting more fuel to compensate for a 'cold' engine and this causes the engine to race. Fix the coolant sensor/wiring and the engine racing will also be cured. ...

engine light is still on & code keeps reading the same, any idea as to what could cause this?! Could be wiring to the MAF. Did you replace it with a new one? I know that might seem silly but people do

...engine.. try this.. fill the radiatior with WATER,, leave cap off,, start the vehicle,, if you see water pumping back out the radiator then you have a gasket issue (cylinder head gasket).. if not,, ...