My jeep is running like shit can't go faster then 5mph sound and feels like something's hitting under the good and I replaced spark plugs wires ECU AND fuel filter this is bs I'm on my last hope idk what to do
Okay it starts up idles like the beauty it is then when I start going it looses power drastically and as soon as I go home and hold it in neutral it's fine . I literally 29 minutes ago replaced the ECU idk what else to do. If you think you got an idea shoot me questions please any helps necessary
I vote for clogged cat. That usually worsens progressively until it begins to make the engine run rich then it clogs fast at which point it superheats and the matrix breaks down inside the can and almost completely clogs.
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