po 131 code

Regal_AK

New member
2
0
1
Buick Ownership
LS
Hi all,
I have a 2001 regal that has po131 engine code. I have checked the front 02 sensor and also the intake manifold for leaks but both are fine. Is there any fuses or anything that I can check?

Thanks.
 
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MelsRegal

Full Member
7,756
1,402
113
Buick Ownership
Regal GS 2017
Hi all,
I have a 2001 regal that has po131 engine code. I have checked the front 02 sensor and also the intake manifold for leaks but both are fine. Is there any fuses or anything that I can check?

Thanks.
How did you check the O2 sensor?
 
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