View Full Version : O2 Sensor advice
gr3k0sLaV
09-09-2002, 06:30 AM
ok wondering,
do our cars have one or two O2 sensors, it seems whenever i look at my manifold I see one O2 sensor protruding out of it.
I fear its malfunction as lately my fuel economy has DROPPED, the car has been fully tuned, valve adjustment, new fuel filter and all that ,
but my exhaust smells REALLLY bad,!!
now ive also read that swapping O2 wires can increase performance or something?
need some advice
carotman
09-09-2002, 06:48 AM
your car has only one sensor
gr3k0sLaV
09-09-2002, 07:03 AM
sweet, how about the wiring, modifying and whether or not it is registering correctly?
i feel my fuel mixture is running way to rich, and the horrid and overpowering smell of my exhaust seems to point to that.
87accordlxph
09-09-2002, 08:30 AM
Adjust the fuel/air mixture screw.
It's a black screw btw or add more air like a K&N filter.
shepherd79
09-09-2002, 08:34 AM
chris, change your O2 sensor. don't adjust anything.
you can get O2 sensor for cheap.
if your car was fine and not it is getting low performance i would say change your O2 sensor.
netfreak
09-09-2002, 06:18 PM
Eh, dont they have two sensors? I had an engine warning light come on a while back for my secondary O2 sensor... but i think the secondary is near the back of the exhaust
locknload68
09-10-2002, 11:46 AM
Fuel injection has two sensors, carbs only have one.
Actually, 86-87 EFI use one, 86-89 carbed uses one, and 88-89 EFI use two.
Immeraufdemhund
09-10-2002, 12:56 PM
that's unfair.. i want 2 O2 sensors... i need one for each atom in that molecule
locknload68
09-10-2002, 02:08 PM
Sorry about that, I wasn't aware of the differences. Thanks for correcting me :)
smufguy
09-11-2002, 08:51 PM
that is funny though cause right after our 3g, the 4g efi came with the same shit as the 86-87 emission stuff. the 4g has the same one O2 sensor. what did they do in 88-89?????
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