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Old 04-25-2002, 11:48 AM
scott schuett
Posts: n/a
fuel injectors replace every 90K?

I would like to know if fuel injectors need replacing as a maintenance item at 90-100K miles? I will not have them cleaned due to the labor cost involved (might as well put in a $22 injector that is new).

Do the fuel injector holders, seals, and O-rings need to be replaced, even if the injectors do not?

1983 380 SEL

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Old 04-25-2002, 12:38 PM
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
Not a bad idea but would be a waste of $$$ unless they had dirt/rust in the complete fuel system. HAVE tested many original injectors with 150K + more miles that were still good!!
The PLASTIC heat shields start cracking at 6 or 7 years & then idle problems can happen. Also all of the rubber connecting tubes can cause this.

Also have tested NEW injectors from MB that didn't spray that well.
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