Special Tools Required
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 ...
Regulator Valve Body Disassembly, Inspection, and Reassembly (A/T)
Clean all parts thoroughly in solvent, and dry them with compressed air.
Blow out all passages except the air check valve filter.
Inspect the regulator valve body for scoring and ...