3 wire Oxygen Sensor on 94

[tee-boy]

My 94 has a 3 wire o2 sensor. i thought 94's had a one wire sensor? Anyone know the truth in this?

[dsponder]

my 94 has a 3 wire.

[Tbi-MAX]

once the truck has the 4l60e it should have the 3wire... so im thinking 93 and up with the electronic trannies.

[Blue71]

once the truck has the 4l60e it should have the 3wire... so im thinking 93 and up with the electronic trannies.

Nope, 93 did not have the 3wire

[94Blazer383]

My 94 is 3

[TEE]

The 3 wire come out in 94....

[tee-boy]

The 3 wire come out in 94....

why?

[91chevZ71]

because fullsize gm trucks (88-95) always got the best equipment last, after everybody else (F,Y, B-bodies) had raided the parts bin.

[Arger]

my 92 has the three wire.