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  #1  
Old 04-19-2003, 09:11 PM
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Join Date: May 2001
Posts: 301
420SEL "check engine" light question

Hello,

Let's see if anybody has experienced this;
In the morning I start the car, after about 10 seconds it settles into it's usual, almost smooth, idle....5 seconds later the RPM's go down to about 350 and the check engine light comes on. This happens for 1-2 seconds then back to normal.

Any guesses/informed opinions?
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  #2  
Old 04-19-2003, 10:28 PM
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Join Date: Oct 2002
Location: Colorado Springs
Posts: 481
Does your ABS also come on when the check engine does. If it does probably the OVP. If not chances are the O2 sensor is on it way to retirement.
Hope this helps.
m
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Martin Ingram
Colorado Springs
2005 320 CDI
2006.5 VW Jetta TDI
1991 560SEL (179000 Sold)
1972 280SEL 4.5 ('The Lead Sled' 320000 miles when sold.)
1972 220D (225000 when sold)
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