Melkor Posted February 24, 2021 Report Share Posted February 24, 2021 (edited) So I'm 99% sure my fuel injectors are at least partly the cause of my 720 losing all power when going uphill considering it's basically one of the last options left to check/replace. The problem is that while I managed to snag one new injector off of Ebay in a stroke of absurd luck, I cannot for the life of me find a second. Is it possible to use the D21's injectors? I'm aware they both have the Z24i engine and have a few swap-able parts, but other than that...no idea about cross-compatibility as far as this is concerned. Or if someone has an idea of where to find one/wants to sell one that'd be great. Failing that would it be possible to convert it to use a carburetor using this kit, or would that simply be more trouble than it's worth at the end of the day? Are the repair kits floating around on Amazon/RockAuto worth buying if all else fails? Edited February 24, 2021 by Melkor 1 Quote Link to comment
Charlie69 Posted February 24, 2021 Report Share Posted February 24, 2021 Have you tried cleaning the injectors? 1 Quote Link to comment
datzenmike Posted February 24, 2021 Report Share Posted February 24, 2021 D21 injectors are different. Seems unlikely that both of your injectors are bad. If you swapped in that one injector you may have swapped it with the good one. Try swapping it with the other, maybe it's the bad one. Have you put a fuel pressure gauge on the fuel line? I bet the line pressure drops under load but ok for idle. 2 Quote Link to comment
Melkor Posted February 25, 2021 Author Report Share Posted February 25, 2021 (edited) 13 hours ago, datzenmike said: D21 injectors are different. Seems unlikely that both of your injectors are bad. If you swapped in that one injector you may have swapped it with the good one. Try swapping it with the other, maybe it's the bad one. Have you put a fuel pressure gauge on the fuel line? I bet the line pressure drops under load but ok for idle. Figured that was the case even if they had the same(ish) engine. Haven't yet bothered to put a pressure gauge on it, but I suppose that's another avenue to try and diagnose this issue, or any other fuel-related issues. I'd honestly give it good odds on both being if not completely bad, then pretty trashed at this point. From what I've heard modern gas is hell on the seals/o-rings due to the ethanol, and I have no idea when the last time they were changed out/cleaned/repaired was. Haven't even swapped out one of the old injectors with the one I managed to get my hands on. Was really waiting till I had a second so I could do that and then send the old ones out to be rebuilt. May just have to swap out one, have that one rebuilt, and then do the same with the other. Not cheap or quick, but when needs must I suppose... Edited February 25, 2021 by Melkor 1 Quote Link to comment
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