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I would start diagnosing this by investigating whether there was an issue with a single cylinder in the engine. One cylinder not firing correctly can cause shuddering and a lack of power which will be more obvious at lower engine speeds and when the vehicle is moving slowly. After removing the engine cover, it should be possible to identify the ignition ...


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I have being a few times in the past with seized/failing clutch problems, in which the only way to have the car moving was to engage 2rd or 3rd (manual box) and use the starter to start the engine. It feels very odd and clumsy, but works. The only problem is that the starter and its wiring would get really hot, so it shouldn't be abused. But as a "bring ...


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Hearing the sound may help -- this is definitely a perplexing issue. It sounds like you have ruled out a slipping belt, alternator, and potentially A/C noise. It does sound like A/C to me when the A/C clutch engages, but if you have A/C off and you don't have defrost selected (some cars turn on the A/C if you turn on the defrost), then you have probably ...


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