| : Not only do DW's suck, but these ones are giving you trouble. I think you do have a leaky one, you should see some white smoke from that bank pretty much all the time. A 370 tune with 550's will run you rich all the time.
:It idles/low speeds fairly well likely because the O2's tell the ECU it's very rich and the ECU turns down the duty cycle. (which the injectors can work with)
:Once you go out of the range where O2's affect ECU injector control it relies solely on the map.
:(Which isn't made for injectors that are smaller so it dumps more fuel than necessary) If I were looking at a Z that had that garbage in there I'd figure the replacement injectors into the price.
:Cheapest (Bernie's OEM new-style used) is ~$500, otherwise you're looking at ~$900-$1200(300* rails) and I don't eat that kind of cash, it'd have to come out of the sale price. Ah good call! I completely forgot about the closed/open loop on the 02's. Also, the cost of the car is more than fair and I was well aware that injector replacement may be necessary. I appreciate the insight!
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