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#1
07-13-2007, 08:59 AM
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99 SLK230 Code PO410
I have a SLK 230 that has a check engine light on. The problem seems to be intermittant and hard to track down. I have performed the activation test thru my hand held and everything seems fine. I thought that since the problem seems to be intermittant that I would start by replacing a possible sticking diverter valve and the vacuum valve on the front of the engine. None of these items repaired the problem and the code keeps coming back. I don't know what else could cause the same code except a weak pump but when activated it brings the o2 sensor voltage down like it should and holds. I don't know whats next!! Thanks in advance of any help on this subject!!
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DRIVE HARD-DRIVE FAST-DRIVE TO GET THE HELL OUT OF MY WAY. 1986 190E 2.3-16 Pearl Black!! 1987 190E 2.3-16 Smoke Silver!! 1986 190E 2.5-16 Pearl Black!! 2004 CLK 500 Cabrio Designo package!! 1994 E320 Cabrio Red with black top!! 1985 500 SEL Anthracite Grey !! 2011 Subaru Impreza STI 380HP (Yeah Baby) 
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