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S40 P0130 and Brake Booster S40-V40

posted by  planeman on  Sun Nov 1 04:29 CST 2009
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last visit: Fri Jan 1 06:35 CST 2010
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Our 2001 S40 just popped the P0130 code, Bank 1 O2 sensor, so I have two questions. First, I'm assuming that's the forward sensor, correct?

Second, the brake booster has morning sickness. The power brakes don't work until the car has been running for a little while (about a minute), and the problem only occurs at the first start of the day. I'm assuming a vacuum leak of some sort in the unit. Any place I should look, or should I be looking to replace it soon?

I happened to notice Klaus advised someone to look for a vacuum leak with the P0130 code, so I was curious if they could be related. The car has 110 miles, so it's likely it really needs the O2 sensor, but I thought I'd ask. I've inspected the vacuum lines, but am just asking if there's a likely place to look.

Planeman
1993 850
1999 S70 AWD
2001 S40
1984 240 DL owned since new, sold 2008, 220k miles
1995 940 Totaled 210K miles, (sandwiched- airbags worked!)






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New S40 P0130 and Brake Booster [S40-V40]
posted by  planeman  on Sun Nov 1 04:29 CST 2009 >


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