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What's really easy to screw up when taking out the fuel rail and injectors? 200 1990

posted by  MSB on  Sun Aug 29 18:38 CST 2004
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last visit: Sun Sep 2 21:08 CST 2007
[RELATED]

i think I may have isolated a likely cause of the very rich running of my 1990 240 wagon. There's a lot of gas in the oil, and after eliminating the FPR, I suspect the frontmost injector is acting wonky. I did the 'screwdriver stethescope' and the back three sound normal, but the front one seems to hicupp at the same time the engine stumbles. I listened to them all, back and forth, for about 15 minutes.

So, is there a diagnosing method I should use before I pull the rail and injectors out?

If I do go ahead annd pull htem, what should I be extra- carefull about?






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