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Rant: Tried those budget injector nozzles from eBay on my 7.3 and now I swear every startup sounds like a box of rocks
Bought a set of four reman injectors off eBay for $180 flat to save on a F250 build in Phoenix last month, and after two weeks of runs fine then rough idle and now a knock at cold start, has anyone actually had luck with cheap nozzles or am I just stuck pulling the valve covers again?
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carter.laura3mo ago
Did you actually test the pop pressure on those before you threw them in, or did you just assume eBay injectors are magic?
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dakota_patel983mo ago
Man, I learned this the hard way on my 7.3. Bought a set of reman injectors off eBay and threw them in without checking pop pressure. Ended up with a dead miss at idle and had to pull them all back out to send to a shop. @carter.laura is right, you need to at least check them with a pop tester before install. On these HEUI injectors, if one is off by more than 50 psi from the others, you'll get a lope that won't tune out. Takes a half hour to check all eight if you have a tester.
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