EFFECTIVECaliforniaOct 1, 2025✓ Human reviewed

BAR changed Smog Check readiness monitor limits

BAR amended section 3340.42.2 governing readiness-monitor limits used in Smog Check inspections. The approved change took effect October 1, 2025.

smogreadiness monitorsinspection
What to check

Smog Check stations should apply the current BAR readiness-monitor limits when determining inspection eligibility and outcomes.

Official evidence

Source and verification

Verified
Sep 20, 2026
Applies to
General mechanical, Mixed services, Dealership fixed ops
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