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C30 P0133 code

Help, Advice, Owners' Discussion and DIY Tutorials devoted to the second generation C70, S40 and V50 Volvos -- awkwardly model year 2004 ½ onwards -- plus where to go for advice and discussion on Volvo's sporty C30 Coupe powered by Volvo's ubiquitous inline 5-cylinder power plant.
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dn10r
Posts: 1
Joined: 16 November 2019
Year and Model: 2011 c30
Location: crown point

C30 P0133 code

Post by dn10r »

I have 2011 C30 heavily modded with k16 turbo and keep getting a P0133 code, Bank 1 Sensor 1 slow to respond code. I have replaced the upstream wide bad and downstream o2 sensors. Still getting code. Any idea's?? I did replace the mass air flow sensor because the wire broke with just a stock one. Looks like the wire is bent just a bit, but cars runs great. Could the MAF sensor be it? Do I need and upgraded one since the car is modded?

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RickHaleParker
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Post by RickHaleParker »

Check for opens and shorts in the O2 wiring harnesses.
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1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package.
2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000.
2004 S60R, B8444S TF80 AWD. Yamaha V8 conversion
2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0.

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