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-   -   w210 M112 stumble during idle (http://www.peachparts.com/shopforum/tech-help/206149-w210-m112-stumble-during-idle.html)

3star 11-24-2007 10:04 PM
w210 M112 stumble during idle
 
My 1999 E320 wagon (140,000 km) stumbles once in a while while at idle.
It happens after the car has warmed up. RPM's drop and dash lights dim, but the car does not stall. Check engine light is not on. I havn't checked for codes yet.
Could it be the O2 sensor?
AMM and O2 sensor are original

300B 11-25-2007 09:25 AM
Quote:
Originally Posted by 3star (Post 1684115)
My 1999 E320 wagon (140,000 km) stumbles once in a while while at idle.
It happens after the car has warmed up. RPM's drop and dash lights dim, but the car does not stall. Check engine light is not on. I havn't checked for codes yet.
Could it be the O2 sensor?
AMM and O2 sensor are original
Look into plug wires also.


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