S-Class (W126) 1979-1991: 300 SE, 300 SEL, 380 SE, 380 SEL, 420 SEL, 500 SEL, 560 SEL, 360 SEC, 500 SEC, 580 SEC, 300 SD TURBODIESEL, 300 SDL TURBO, 350 SD TURBO, 350 SDL TURBO

420 sel Races after injector replacement

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Old 10-03-2009, 06:21 PM
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420 sel
420 sel Races after injector replacement

We replaced the injector O rings and seats. Now the enngine races when starting to 5 or 6 th rpm and will not idel down HELP!
Old 10-10-2009, 11:59 PM
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