The O2 Sensor on my 92 G20 with a 4.3L is on the left header tube on the top, right next to the transmission. its a 3 wire 02 Sensor....hope this help, I just need to know what size open ended wrench to use...i think its a 16mm
Where is the heater control valve for a 93 Chevy van, G-20, 5.O
Oxygen Sensor Circuit (Rich Exhaust). This may of may not be a defective O2 sensor. It may be something else that is effecting the O2 sensor. But considering the vehicle is 22 years old, I would suspect the O2 sensor needs replacing. I would replace the O2 sensor.
well your in luck, i own a 1995 Chevy G-20 van and it weighs 4,800 lbs (about 2 & 1/2 tons)
Right in the middle of the crankcase...
1,8,4,3,6,5,7,2.
no
depends on the year some have 2 of them one behind the catalytic converter and one on the driver side exhaust just above the where the y pipe connects
usually on the left of the engine between the first two spark plugs
By the Oil Filter, underneeth the intake manifold.
doghouse cover glove box
18463572
~13-14vdc.