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Secondary air

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70
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Hateprojects
Posts: 16
Joined: 17 August 2018
Year and Model: 98 volvo v70
Location: 96064 California
Has thanked: 6 times

Secondary air

Post by Hateprojects »

My secondary air pump is not switching on when the diverter valve opens. The pump is good. I have ran it by pushing the contact points closed at the relay.
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RickHaleParker
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Joined: 25 May 2015
Year and Model: See Signature below.
Location: Kansas
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Post by RickHaleParker »

Did you check the coil on the relay? The relay won't switch if the coil is open.
⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙⸙
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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Hateprojects
Posts: 16
Joined: 17 August 2018
Year and Model: 98 volvo v70
Location: 96064 California
Has thanked: 6 times

Post by Hateprojects »

I will start with that. It's setting next to the exact same relay, I'll swap them.
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Hateprojects
Posts: 16
Joined: 17 August 2018
Year and Model: 98 volvo v70
Location: 96064 California
Has thanked: 6 times

Post by Hateprojects »

Ok swapped relay, relay is not thethe problem.
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