CEL P1130
Thread Starter
Racer
Joined: Apr 2006
Posts: 441
Likes: 1
From: Northern VA
CEL P1130
So received the very first CEL, the reader pulled up a P1130, something related to the Oxygen Sensor.
Whats the steps to troubleshoot and get this resolved. I'm looking at cleaning uo the MAF tomorrow and cleaning up the air box area.
Whats the steps to troubleshoot and get this resolved. I'm looking at cleaning uo the MAF tomorrow and cleaning up the air box area.
Drifting
Joined: May 2001
Posts: 2,042
Likes: 3
From: Roseville, CA USA
P1130 Oxygen Sensing Adaptation Area 2 (Cylinders 4 - 6) - Rich Threshold
This means your car is running too lean (on cyl 4-6) and the DME can not make the mixture rich enough.
Probably causes are:
- Intake air system leaking.
- Fuel pressure too low.
- Volume supply of fuel pump too low.
- Fuel injectors fouled
9 times out of 10 it is the first item - intake air leak. This could be a loose or cracked hose, bad seal on the oil filler cap, cracked oil filler hose, AOS bellows or even a bad AOS.
If you also had a P1128 then I would also suggest cleaning the MAF but your fault is only on one side of the engine (and the MAF affects both).
This means your car is running too lean (on cyl 4-6) and the DME can not make the mixture rich enough.
Probably causes are:
- Intake air system leaking.
- Fuel pressure too low.
- Volume supply of fuel pump too low.
- Fuel injectors fouled
9 times out of 10 it is the first item - intake air leak. This could be a loose or cracked hose, bad seal on the oil filler cap, cracked oil filler hose, AOS bellows or even a bad AOS.
If you also had a P1128 then I would also suggest cleaning the MAF but your fault is only on one side of the engine (and the MAF affects both).
Thread Starter
Racer
Joined: Apr 2006
Posts: 441
Likes: 1
From: Northern VA
P1130 Oxygen Sensing Adaptation Area 2 (Cylinders 4 - 6) - Rich Threshold
This means your car is running too lean (on cyl 4-6) and the DME can not make the mixture rich enough.
Probably causes are:
- Intake air system leaking.
- Fuel pressure too low.
- Volume supply of fuel pump too low.
- Fuel injectors fouled
9 times out of 10 it is the first item - intake air leak. This could be a loose or cracked hose, bad seal on the oil filler cap, cracked oil filler hose, AOS bellows or even a bad AOS.
If you also had a P1128 then I would also suggest cleaning the MAF but your fault is only on one side of the engine (and the MAF affects both).
This means your car is running too lean (on cyl 4-6) and the DME can not make the mixture rich enough.
Probably causes are:
- Intake air system leaking.
- Fuel pressure too low.
- Volume supply of fuel pump too low.
- Fuel injectors fouled
9 times out of 10 it is the first item - intake air leak. This could be a loose or cracked hose, bad seal on the oil filler cap, cracked oil filler hose, AOS bellows or even a bad AOS.
If you also had a P1128 then I would also suggest cleaning the MAF but your fault is only on one side of the engine (and the MAF affects both).
So I cleaned the MAF, Throttle Body and removed the Sports Filter and cleaned out everything. Even checked the Oil Filler Cap.
Everything seems fine now and the car is idling just as it should.
