Emissions Testing
Testing of Readiness Codes
Your vehicle uses “readiness codes,” as part of its onboard self diagnostic
system.
Some states refer to these codes during testing to see if your vehicle’s
em ...
CKP Sensor Replacement
Raise the vehicle on a lift.
NOTE: Make sure the vehicle is level, because engine oil will drip out
when you remove the sensor.
Loosen the bolt (A). Remove the bolt (B) and ...
Rectifier Test
Check for continuity in each direction, between the B terminal and P terminals,
and between the E terminal and P terminals of each diode pair. All diodes should
have continuity in only one ...