System to lean (bank 1). There is a good chance you have a vacuum leak under the hood.
The computer is indicating the presence of a fault code. Find out why the computer is doing that by using a code scanner.
each code is different
knock sensor
It's a code for the oxygen sensor.
it a transmission slipping code
A code reader that will work on the OBD I system.
An S10 is the same as a Chevy S10.
DTC code 81, 2-3 shift solenoid circuit fault. DTC code 12, indicates the diagnostic system is working.
replace cat
Start with replacing the thermostat.
Trouble code P0302 means:Cylinder 2 misfire detected
Code p0507 2001 chevy s10 replace upper intake, iac, tps still have problem