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S40 P0030, P0037, P0136 DTCs

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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DanielV
Posts: 11
Joined: 7 September 2018
Year and Model: 12/2007 S40
Location: Debrecen
Has thanked: 1 time

Re: S40 P0030, P0037, P0136 DTCs

Post by DanielV »

Got it working! It was only a fuse not in the right place..
It seems someone changed the order and I didn't even notice! God!

Thank you for helping me out!

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RickHaleParker
Posts: 7129
Joined: 25 May 2015
Year and Model: See Signature below.
Location: Kansas
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Been thanked: 958 times

Post by RickHaleParker »

O2 preheater was not getting power. The O2 sensor was too cold when the ECM started taking measurements. That is what tripped the additional DCTs.
⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙
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.

DanielV
Posts: 11
Joined: 7 September 2018
Year and Model: 12/2007 S40
Location: Debrecen
Has thanked: 1 time

Post by DanielV »

Got it! All gone now! Thanks again!

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