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sprinkles08, ASE Certified Technician
Category: Subaru
Satisfied Customers: 23109
Experience:  ASE Master and Advanced level certified. Factory trained with 17 years dealership experience
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Subaru Outback: 2002 Subaru Outback Running bad, did have

Customer Question

2002 Subaru Outback
Running bad, did have P0130....I did change the O2/air fuel ratio sensor B1S1.
Does not want to idle...I have checked for vacuum leaks...none found.
If I spray Throttle body cleaner into the intake the en=gine smoothes out and runs fine.
Once on the road it runs fine, just does run good at idle???????
Submitted: 1 year ago.
Category: Subaru
Expert:  sprinkles08 replied 1 year ago.
Hello and welcome to JustAnswer!P0130 sets when the engine is running lean, and the fact that it runs better with the added fuel also points to it running lean.The first thing that should be done is check fuel pressure, preferably under a load. Has fuel pressure been tested, and if so what was the reading?