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Tips on removing fuel rail, cleaning injectors? 1991 240 LH3.1

posted by  keithostertag on  Sun Dec 11 09:57 CST 2011
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last visit: Tue Jun 17 15:10 CST 2014
[RELATED]

After cleaning the TB and MAF, and replacing the flametrap, oil separator, and some hoses, I am still getting the CEL but now with code 1-1-3. So I guess I am going to try cleaning the injectors. I have been reading the FAQ and lots of BB posts. A few questions:

1) According to one BB post, it would be a good idea to remove fuse 1, then run the engine until the fuel lines empty (or at least reduce pressure) before starting to remove the fuel rail. Comments?

2) Can I use solvents I already have in stock to clean the injectors? Like naptha, or acetone, or spirits?

3) What else should I do at the same time? For instance, is it necessary/smart to replace the fuel filter at this time? (Don't know its age/condition).

4) Any special routine for starting after this job? No need for priming the fuel lines/pump or anything like that?

I will buy the Bosch injector "kit" for the injector seals and cap. I don't own a fuel pump, compressor, guages or any other special equipment.

Thanks,
Keith Ostertag
--
1991 240 Sedan B230F LH3.1 300K miles






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