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Possibly, the turbo is a Garrett T25/28 series... do a search for the turbo flange gasket for that model turbo, I'd imagine that they are still a common item. I've been out of Chrysler turbo cars for some time now.

Thank you guys for chiming in. I do need those to diagnose better. The fuel injectors are coming and I did replace the alternator for the high voltage. I must have code 43 wrong 55 trucker. I came up with knock sensor error. I will look into it better. Nice to meet you Rich with the tgp. Not to look too far ahead but how did you go about fixing the crossover? I plan to remove it and take it to an exhaust shop and have them do their magic. Thinking I should buy a couple of these flex pipe things. Not sure the diameter of the pipe yet though.

Code 21 = TPS sensor circuit Code 43= ESC (electronic spark control) circuit Code 53 = system over voltage.........occurs when the ECM sees an ignition fuel reference of more than 17 volts.

Thanks for getting back to me. I found a bad injector. It wouldn’t start. Had a na 3.1 back in the day that died while driving and ended up being a shorted injector. Also got the knock sensor out. Broke the clip though. Squeezed to hard I guess. When I get it back together I’ll post if it runs better. I think the exhaust leak is all crossover! If it at least runs better I will work on pulling that out next to have an exhaust shop fix it hopefully. If anyone still has a step by step on the remove and install of the crossover please post it if you can. All links are dead looking for this stuff these days. Also does anyone have an old chip they would sell for the ecm? Those links and people who did them are gone also. Sure would like to get some more hp if I get her running good.

Running rich could be all kinds of things. The car is dumping fuel in to balance out something wrong. A good shop can still pull data from the ecm. That’s really the only way if you’re not going to wrench it yourself. Could be a bad O2 sensor., vac line leak, FPR is shot, even a bad temp sensor can make the ecm run the car rich.