s60 2006 t5 baffled

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo's stylish, distinctive P2 platform cars sold as model years 2001-2007 (North American market year designations).

2001 - 2007 V70
2001 - 2004 V70 XC (Cross Country)
2004 - 2007 XC70 (Cross Country)
2001 - 2009 S60
2003 - 2007 S60 R
2004 - 2007 V70 R

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volvomadness
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s60 2006 t5 baffled

Post by volvomadness »

On initial start in the morning the car stumps and stalls. After a few starts it eventually idles normally with no problems. No CEL. I just put a fuel system cleaner in to see if this resolves issue. New Volvo plugs, breather box and air filter have already been done.

Any other thoughts.
Madness

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SuperHerman
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Post by SuperHerman »

On start up, when it is lumpy - what does the exhaust look like?

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2000c70hpt
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Post by 2000c70hpt »

Could be a bad MAF. My c70 did the same thing till I changed it
2000 C70 hpt with 140k
2008 xc90 t6 non turbo with 170k

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oragex
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Post by oragex »

The kind of issue you would need to read the codes

Blacklab467  
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Post by Blacklab467 »

Mine did that when the fuel pump was on it’s way out. No CEL.
2003 XC 70, 2007 Duramax LBZ.

jonesg
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Post by jonesg »

I would suspect low fuel pressure after sitting overnite.
Try keying the ignition off/on a few times to prime the system before cranking the engine.

volvomadness
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Post by volvomadness »

Thanks all for your replies. Finally I got a CEL and the culprit was the exhaust vvt solenoid. Replaced which solved the constant stalling a power loss issue. Lucky I had spare parts lying around and didn't have to purchase one.

Still have a slight stall when cold on startup no cel. I feel it's the fuel pressure sensor which I will replace this weekend.

Thanks again Madness

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darrylrobert
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Post by darrylrobert »

your lucky, i drove my xc70 for 3 years with a bad VVT solenoid no CEL. Check your key antenna ring, the solder joints can crack causing the car to hesitate to start.Good luck
1981 260 GLE converted to 240 M46 after auto box failure
1987 740t auto converted to M47
1997 V70t5 auto converted to M56
1998 V70 factory M56 (parts car)
2001 XC70 factory M58
2002 XC70 auto (parts car)

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