OBD-II SCAN
P0420 — CAT EFFICIENCY
P0171 — SYSTEM LEAN
P0300 — MISFIRE DETECTED
✗ READINESS: FAIL
● FAIL — FLAGGED AT INSPECTION
GAS ANALYZER
HC: 42 ppm ✓ (max 220)
CO: 0.12% ✓ (max 1.2%)
NOx: 0.8 g/mi ✓ (max 1.0)
✓ ALL SYSTEMS: PASS
CERT #EP-2026-0847
Inspector: M. Harrington, ASE L1
Date: 05/29/2026
PASS — CLEARED TO OPERATE
Know Before You Go.
Pass Before You Tow.
OBD-II certified. ASE-licensed technicians. Same-day retest policy.
Scroll to Spec Sheet
100%
ASE Master Technicians
L1 + A8 certified
Jan 2026
Equipment Audited
Full EPA pass
1,847
Tests Completed YTD
Since Jan 1, 2026
96.4%
First-Pass Rate
Industry avg: 81%
22 min
Avg Turnaround
Documented, not estimated
IL-EMI-00847
State License
Valid Dec 2027
Test Protocol Spec Sheet — Rev. 14
Equipment &
Calibration Standards
Every instrument traceable to NIST. Every protocol current to EPA model year requirements. No guesswork, no shortcuts.
YTD 2026 — 1,847 tests
OBD-II PROTOCOL
01
Scan Tool Standard
All 10 Mode$xx commands
SAE J1979 / ISO 15031
02
Communication Protocols
PWM & VPW legacy support
CAN / ISO 9141-2 / KWP2000
03
Readiness Monitors Required
Zero incomplete allowed for 1996+
≥ 11 / 11
04
DTC Check Depth
ISO 15031-6 full sweep
Pending + Confirmed + Permanent
OPACITY METER
05
Instrument Standard
Diesel smoke opacity
SAE J1667 Snap-Idle
06
Calibration Frequency
Every 14 Days
NIST-traceable
07
Measurement Range
±2% accuracy
0 – 100%
GAS ANALYZER
08
Analyzer Type
HC, CO, CO₂, O₂, NOx
5-Gas NDIR + Electrochemical
09
HC Tolerance
0–2000 ppm range
± 4 ppm
10
CO Tolerance
0–10% vol range
± 0.02%
11
NOx Tolerance
Electrochemical cell, 0–5000 ppm
± 25 ppm
EQUIPMENT
12
Dynamometer Type
Maha MSR 500 series
AWD Chassis Dyno — 2000 hp rated
13
Last EPA Audit
Full pass, zero deficiencies
January 2026
14
State Inspector License
Valid through Dec 2027
IL-EMI-00847
All calibration records available on-site upon request — Illinois EPA Reg. 35 Ill. Adm. Code 240
Facility Comparison — 12 Metrics
Why This Bay
Beats the Alternatives
Not a marketing claim — a spec-by-spec breakdown. Watch the checkmarks stack.
Metric
EmissionsPass
Quick-Lube Chain
Mobile Tester
Equipment Calibration Frequency
Every 14 days — NIST traceable
Quarterly (90 days)
Self-reported, no audit
Technician ASE Certification
L1 + A8 required — all staff
L1 optional — 1 on duty
None required
State Inspector License
IL-EMI-00847 — active, on-site
Third-party contracted
Varies by region
OBD-II Protocol Coverage
All 10 Mode$xx — SAE J1979
Mode$01 & $03 only
Mode$01 only
Same-Day Retest Policy
Free retest within 30 days
Full fee re-charged
Not offered
Fleet Volume Capacity
Fleet Services
40+ vehicles/day — dedicated lane
4–6 max, no priority
8–10 max, scheduling lag
Average Turnaround Time
22 minutes — documented avg
45–70 minutes
60+ min + travel wait
Gas Analyzer Type
5-Gas NDIR + Electrochemical
4-Gas NDIR only
2-Gas portable unit
DOT Compliance Documentation
Digital PDF + DOT-ready format
Paper printout only
Email PDF, no letterhead
Heavy Diesel (Class 6–8) Testing
Opacity meter + J1667 protocol
Not available
Limited — gas only
Dynamometer Testing Available
AWD chassis dyno — 2000 hp
Not available
Not available
Emergency / Next-Day Booking
Available 6 AM — call or online
3–5 day wait typical
Subject to technician availability
12/12
EmissionsPass
2/12
Quick-Lube
0/12
Mobile Tester
Fleet Operations — DOT Compliance
Forty Trucks.
One Deadline.
One Bay.
Fleet managers running DOT compliance windows don't have time for a shop that's never seen a Class 7 straight truck. We run dedicated fleet lanes from 6 AM — pre-scheduled, pre-prioritized, with digital documentation ready for your DOT file by end of day.
- ✓Dedicated fleet lane — no mixed-queue waits
- ✓DOT-format digital certificates, same day
- ✓CDL vehicle testing: Class 6, 7, 8 capable
- ✓Account billing — NET 30 for fleets 10+
- ✓Compliance calendar management on request
40+
Vehicles/Day Capacity
22 min
Avg. Turnaround
96.4%
Fleet Pass Rate
30-Day
Free Retest Policy
DOT COMPLIANCE WINDOWIL / WI / IN
Annual Inspection DueMar 31 → Book by Mar 20
Biennial OBD SweepEven-year vehicles only
Roadside Retest Deadline10 business days from flag
Ready to Clear the Bay?
Use the booking bar below — three fields, sixty seconds, done before the next truck pulls in.
✓ No deposit required✓ Cancel up to 2 hrs before✓ Same-day retest free