1991 Honda Prelude "bad oxygen sensor cause smoke" Questions

...Oxygen sensor. If this switch was bad would it cause these symtpoms? . . Somebody keeps telling me that I need a new catalytic converter or test pipe.If there was a problem w/ the CConv , would that ...

...Bad oxygen sensor or circuit. Bad PCM, Bad altitude sensor(MAF sensor) . make sure the pressure regulator on the fuel rail is plugged in. Best bet is to get it diagnosed if you cant find anything ...

...bad,, There are two common types of mass airflow sensors in use on automotive engines. These are the vane meter and the hot wire. Neither design employs technology that measures air mass directly. ...

...ignition timing. Excess fuel going in- bad injector, fuel pressure regulator. Electronics-map sensor, throttle position sensor, oxygen sensor being most common. Could be a good time to tune it up ...

black smoke accelerating black smoke rich fuel emission possible causes could be faulty ignition coil,bad oxygen sensor.worn engine valves low cylinder compression.faulty fuel pressure regulator.

...smoke [oil] or white smoke [water in the cylinder, bad head gaskett or cracked cylinder wall or warped or cracked head] or is it black smoke [caused from either a bad oxygen sensor or fuel

...bad front oxygen sensor (aka , up stream bank 1)
in calif cars, it can have a split exhaust on the I6 and have 3 sensors. (hope not yours, do look..)
most have 2 sensor, front and the useless ...

...Bad PCM wiring issues due to chafing or loose terminals.P0300 is Random/Multiple Cylinder Misfire Detected. It may be something wrong with spark plugs or wires,coil,oxygen sensor,fuel injector,etc.As ...

...bad enough to kick on your SES light. If the above solution doesn't work, have a mechanic check your oxygen sensors. If your ses light (also known as the Check Engine light) is on, then the oxygen ...

bad oxygen sensor, a bad map sensor, a bad fuel pressure regulator, a plugged up air filter, or bad injector. if it was a oil problem then you can smell it. when after running til hot. shut off engine