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Possible Leaky Injectors In 92 Sc400


joedoc
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my sc400 normally starts up just fine, but after sitting an unusually long time (1-2 days) it will start rough and give a noticeable gas smell for a few minutes. I thought this might be injectors leaking, tried some techron without help. Would appreciate any ideas.

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It's normal. I'm experiencing the same problem with my SC300. I believe it's due to the cold weather. You could spay some solvent on the battery terminal, and if you want to you could replace the starter, but it depends on whether your car has high mileage and the starter hasn't been replaced before.

The smell, I'm not quite sure about, but it could be due to cold fuel entering your engine.

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thanks for the tips, will try. had heard that injectors could leak down some pressure overnight, causing rich, rough start---had assumed that was the problem. the starter motor seems strong, the roughness occurs after the starter seems to have done its job. will check those connections though.

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