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Volvo c70 convert rough idle with no codes

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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beasty918
Posts: 8
Joined: 22 June 2012
Year and Model: 2001
Location: usa

Volvo c70 convert rough idle with no codes

Post by beasty918 »

Hey guys I've had my c70 for over two years now 169k miles no big problems besides new transmission now she feels like she wants to stall out on my when I step on the gas and if I let off completely to break she's drops idle to about 500 I checked for vacuum leaks with the turbo but I don't hear anything or feel any.... Any ideas...
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phils94850
Posts: 1156
Joined: 11 July 2006
Year and Model: 2009 s60 turbo
Location: Indiana
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Post by phils94850 »

that really sounds like a vacuum leak or could be your ETM going bad. Also.. did you try disconnecting your MAF to see if it runs better, if so, then usually a bad MAF.
1996 Platinum Edition
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