1. Exhaust Smell During Cold Start
Winter, 2001 (insider info)
  
2. Extreme Cold Weather Engine Warm-up and OBD II
Winter, 2001 (insider info)
  
3. Diagnostic Trouble Codes
Fall, 2001 (insider info)
  
4. Models Equipped With Knock Sensors
Fall, 2001 (insider info)
  
5. 1995 Legacy Speed Limiting Device
Fall, 2001 (insider info)
  
6. 1995 Subaru Legacy – DTC P0325: Knock Sensor Circuit Malfunction
Fall, 2001 (insider info)
  
7. Subaru Legacy – DTC P0130: Front Oxygen Sensor Circuit Malfunction
Fall, 2001 (insider info)
  
8. Subaru Emissions System Service
Summer, 2001 (feature article)
This article offers a collection of repair tips and tricks collected from the field, focused on late model Subaru emissions system diagnosis, service and repair.
  
9. Blue vs. Gray Connectors During Diagnosis
Summer, 2001 (insider info)
  
10. Subaru Fuel and Emissions
Winter, 2000 (feature article)
A brief look at some the important changes to Subaru fuel systems, and how these changes may affect your diagnosis and service of Subaru vehicles.
  
11. Evaporative Emissions Testing
Winter, 2000 (feature article)
This article describes the diagnosis and repair of the Subaru evaporative emissions system.
  
12. On Board Diagnostic System Check During State Emission Test
Winter, 2000 (insider info)
  
13. OBD II Readiness Codes
Winter, 2000 (insider info)
  
14. Forester P0440 Codes
Winter, 2000 (insider info)
  
15. More P0440 Tips
Winter, 2000 (insider info)
  
16. Fuel System Quick Connector
Winter, 2000 (insider info)
 
17. Vehicle Won’t Take Fuel
Winter, 2000 (insider info)
 
18. More State Emission Testing
Winter, 2000 (insider info)
 
19. Crankshaft and Camshaft Reluctors
Winter, 2000 (insider info)
 
20. OBD Check During State I/M Programs
Fall, 2000 (insider info)
 
21. Don’t Touch That Screw
Fall, 2000 (insider info)
 
22. Freeze Frame Data
Fall, 2000 (insider info)
 
23. Onboard Diagnostic System Check During State Emission Test
Fall, 2000 (insider info)
 
24. Sulfur Smell from Exhaust
Summer, 2000 (insider info)
 
25. Diagnostic Trouble Code P1507
Winter, 1999 (insider info)
 
26. Cold Weather and Driveability
Winter, 1999 (insider info)
 
27. State Emission Testing
Fall, 1999 (insider info)
 
28. Subaru On-Board Diagnostic Systems
Fall, 1998 (feature article)
The on-board computer monitors its sensors and actuators to determine whether they are working as intended. This article explains the operation of the system.