A hall effect sensor senses a magnetic cylinder inside of a piston and sends an electronic signal to a processor. These are widely used in food/product packaging. I have a '93 formula myself and am unaware of any of these sensors on the car/engine.
Only thing I can think of is my firebird went through about 3 distributors in five years. So far the one in there now is running well. But you'll experience hard starts and stalls if this is tanking on ya.
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Misfire #5 may mean that one or more of the following has happened: Faulty spark plug or wire Faulty coil (pack) Faulty oxygen sensor(s) Faulty fuel injector Burned exhaust valve Faulty catalytic converter(s) Running out of fuel Poor compression Defective computer
If there are no symptoms, the simplest thing to do is to reset the code and see if it comes back. If there are symptoms such as the engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors.
Sounds like fuel problems. Turning your car in any direction has nothing to do with it. I assume your car is fuel in jected. Also that you have had the plugs , wires , cap and rotor replaced. If not do this. Then if you still have the problems the fuel presure has to be checked. That requires an inline gage be attached to check the presure while engine is running. If thats okay, then the fuel presure regulator might be sticking. Of course things like water in the fuel take and filters all need to be checked. Im sorry that its a big job. If you have to pay someone itll cost you money. If they just replace parts (guessing) thats no way to go about it. So plugs, wires, cap and rotor.replace. Then fuel delivery. I suggest you get the book for 15 bucks from autozone. Good luck
More than likely it's the distributor. They have a tendency to build up corrosion and rust and have personally went through the same situation three weeks ago on a suburban. Check to see if you are getting spark from the distributor first. Have the ecm in the distributor checked at Oriellys for free. It's under the rotor and has two 8mm head bolts with wires plugged in at each end.