Re: '94 olds Royale 88 series, heavy knocking, car will...
Yes, it is an old car. You most likely have carbon buildup in the cylinders. Use a higher octane gas and drive some highway miles periodically to burn that carbon out (and as part of your maintenance). It gets superheated after driving and ignites the cylinders without the spark plugs sparking.
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Check the Mass Air Flow Sensor, you can get a can of cleaner specific for cleaning them for a couple bucks at the parts store. I'd just get 1 and clean the sensor see if that works. The MAF sensor is either in the throttle body itself (bolted on from the outside or in the air line between the filter and throttle body. That could be the whole problem right there. Good luck.
It is time for struts (Shock absorbers) or more, have it checked by a suspension specialist, cars get dangerous when they have worn front end parts, not something to mess around with, and your car it at an age,,, Hope this helps, stay safe!
yes it can be the security system, find the two all white wires at the bottom of the steering column and cut them and solder the correct ohm resistor in between you will need an ohm meter to measure the resistance of the chip on the ignition key then install that omh resistor to the wires.
any gm olds , buick caddy, pont, 4speed auto up to 1991 u just got make sure theyre not computer controlled some 91 are n some aint stay away from 84 to 88 they had failures it doesnt really matter about engine size as along its same transmission