you take it out.
take it to a dealer
Just unplug the electrical connector and then unscrew the oxygen sensor out of the exhaust pipe.
driver side bank 1 before cat
You bring it to a service station and tell them to replace the oxygen sensor.
How much fuel gets introduced into the engine
http://www.gmtruckclub.com/forum/showthread.php?t=10354
The speed sensor can be found on the side of the transmission and can be easily removed with a 9/16 ratchet. Remove the wiring harness from the speed sensor before removing the speed sensor from the transmission.
dig a very large whole and roll that p.o.s. into it and bury it. boom. done.
It is inside the distributor. You have to replace the distributor to service the cam sensor.
I have a 98 Suburban with the 5.7 vortec V8. The cam sensor is in the distributor. Remove the cap and rotor to get to the sensor. Hope this helps.
I have the check engine light on and the code is for map sensor on my 1999 1500 Chevy suburban
E30 means the Idle Speed Control motor rpm is out of range, E31 is a shorted MAP sensor circuit. They are probably both related to a bad MAP sensor so replace it first.