
2016 Mazda CX-5 Touring 2.5L MIL Lamp on
this suv came in with ck engine lamp on, code p0171 p0421 install a/f snsr per tsb 01-010/16 the light came back on p0171 only code. we had smoked system no leaks found, fuel pressure are good. the one thing that we keep seeing is ect 2 is -40 while ect 1 ...
FIX posted 2/11/2020
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)8 Replies Received(Hide Replies)8 Replies Received
|
Message Closed
|
VIN | JM3KE2CY1G |
Engine | 2.5 L / 4 cyl / GAS |
Trans | 6-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0421 | Catalytic Converter Efficiency (Bank 1) |
Message Closed
Vehicle Data
2016 Mazda CX-5 Touring
VIN | JM3KE2CY1G |
Engine | 2.5 L / 4 cyl / GAS |
Trans | 6-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0421 | Catalytic Converter Efficiency (Bank 1) |