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"Reduced Engine Power" Limp Mode Topic is solved

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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cn90
Posts: 8249
Joined: 31 March 2010
Year and Model: 2004 V70 2.5T
Location: Omaha NE
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Re: "Reduced Engine Power" Limp Mode

Post by cn90 »

Interesting bc I cleaned the TB in situ, did not even touch the electrical connector.

And it ran fine for a while. Will check it when I have time.
2004 V70 2.5T 100K+
2005 XC90 2.5T 110K+

cn90
Posts: 8249
Joined: 31 March 2010
Year and Model: 2004 V70 2.5T
Location: Omaha NE
Has thanked: 4 times
Been thanked: 466 times

Post by cn90 »

So I removed the Throttle Body and cleaned it again.

The connector seems fine...

The trick to avoid damaging the plastic connector...use a very small screwdriver and insert it in to push the plastic tabs away from TB. A small coffee stirrer is ok too.
Just remember the connector has 2 tabs, one on each side.

Then cleaned the connectors with a small spray of carb cleaner.

Cleared the codes mentioned above.

All is fine for now, but the causes of this event may never be found...
2004 V70 2.5T 100K+
2005 XC90 2.5T 110K+

cn90
Posts: 8249
Joined: 31 March 2010
Year and Model: 2004 V70 2.5T
Location: Omaha NE
Has thanked: 4 times
Been thanked: 466 times

Post by cn90 »

I just read the thread below.

Anyone here has plastic gear/potentiometer issue?
My 2006 S60 has only 102K miles, too early for these issues?

Anyway, mine was 1 time event...for now!

viewtopic.php?t=84468&sid=7ec9e09dbc801 ... 6&start=10
2004 V70 2.5T 100K+
2005 XC90 2.5T 110K+

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