Question about 1998 Volvo S70

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I get two ECM Codes P0035 and P1027. The car idles rough and stalls when you start it.

I get two codes P0035 & P1027

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  • Anonymous Mar 17, 2014

    runs fine after warmed up

  • Anonymous Mar 23, 2014

    Code p1027

  • Anonymous Mar 23, 2014

    Code p1027

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P0035 - Turbo Charger Bypass Valve Control Circuit High
Can't find P1027 anywhere.  Sorry!

Posted on May 17, 2009

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For anyone else looking into this, this sounds EXACTLY like the problem I am having, which I suspect is caused by a damaged bypass valve diaphragm. For mistubishi turbos, the part is extremely hard to track down, and all the volvos and saabs with this particular part at my junk yard had this already missing. It took me a year or so of progressively worsening symptoms with nobody being able to solve the problem to finally nail it. What you'll need (hopefully) is the TD04 Bypass Blowoff Valve Rebuild Kit from Mitsubishi. It's a $40 part.

Posted on Feb 14, 2013

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P1027 measn the car is running to rich. you need a tune up could just be 1 thing. This things could cause it plugs, plug wires, cap, and rotor. The other code dosent realy affect the way the car runs its a waste gate valve control circuit. once you get some of the items i mentioned replaced your car will run great

Posted on May 17, 2009

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