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Dear grajeta,
Hope this finds you well. In several years of reading posts, I cannot recall anyone having to replace so many fuel pumps on a single car. I stood aside, to allow the Board's bonafide experts to comment. As they have not, I offer some thoughts as to further inquiries:
(a) if all of these pumps were put in at the same shop, which seems to be a dealer, it is possible that these pumps came from a single lot, and all are defective. Ask the dealer, if one of these pumps has done well, in someone else's vehicle. It would be a freak event, but there could be a small group of factory-fresh pumps that are all "bad".
(b) did each of the replacement pumps fail in the same way? (e.g., pump stopped very suddenly, while the car was running; engine faltered, sputtered, and died; car simply would not start, after having been parked; etc.)
(c) had any collision repairs been done to the rear part of the car? Sometimes a repairer can inobviously damage a wire.
(d) have you inspected/changed the fuel pump relay?
(e) what do you mean by, "factory noise suppressors"? This term is not one I've ever heard. Where are these parts? What do they look like?
Hope this helps.
Yours faithfully,
Spook
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