P1130 Ford - portland

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Reynaldo · Answer 1 · 2018-01-30T21:58:13+0000

P1130 Lack of upstream heated oxygen sensor switch adaptive fuel limit Bank 1

P0171 Fuel trim lean Bank 1

P0300 Random misfire

How is the MAF air duct to the MAF sensor. Check that area for any false air leak,

The MAF air duct should have no breaks as to allow false air to enter

Inspect the MAF air flow air duct tube