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S80 v8 surging at low rpm

Everything on the Volvo S80. Sometimes called an "executive car", the S80 was Volvo's top-of-the-line passenger car. P2 platform.
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Steve99s70t5manual
Posts: 12
Joined: 1 December 2017
Year and Model: 99s70 t5
Location: BC

S80 v8 surging at low rpm

Post by Steve99s70t5manual »

I notice that there is a slight surge while acceleration but not to much. It's just annoying I've added fuel treatment with inj cleaner also have done a basic clean of the throttle body. And it's still there. Any help would be great thanks.
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goldmandan
Posts: 244
Joined: 5 June 2013
Year and Model: 1999 S 70, 2000 V70
Location: Florida
Been thanked: 1 time

Post by goldmandan »

CHECK THE PLASTIC SNORKEL TO THE THROTTLEBODY FROM AIR FILTER. THAT PESKY HOSE TENDS TO BEND ON THE BOTTOM AND DOESN'T SEAT PROPERLY CAUSING AN "UNMETERED" AIR LEAK WHICH CAUSES THE IRREGULAR IDLE.

DAN
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