Operation CHARM: Car repair manuals for everyone.
Home >> Mazda >> 2009 >> Tribute 4WD L4-2.5L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> Fuel System Not Switching At Fuel Trim (Rich Or Lean)
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Fuel System Not Switching At Fuel Trim (Rich Or Lean)




FUEL SYSTEM NOT SWITCHING AT FUEL TRIM (RICH OR LEAN)

Detection Condition:





Possible Cause (Part 1):





Possible Cause (Part 2):





Possible Cause (Part 3):






Step 1-Step 5:





Step 6:





Step 7:





Step 8-Step 10:





Step 11-Step 15:





Step 16-Step 18:





Step 19:





Step 20-Step 22:





Step 23-Step 25:





Step 26-Step 28:





Step 29:






pro multis · About Operation CHARM