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If the engine doesn't recover, the timing belt (if applicable) could have let go otherwise it could be a fuel delivery issue (dirty fuel filter, faulty fuel pump) or a restricted exhaust (damaged catalytic converter). If you have a check engine light illuminated, start with checking the codes.

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โˆ™ 2015-02-24 12:30:38
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Q: Why would a car suddenly lose all RPMs when going down the highway?
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What difference does the ratio make in a limited slip differential?

in relationship to engine rpms a ratio of something like 3.08 would have less acceleration and lower highway rpms compared to 4.11s. the 4.11 ratio would give you better acceleration and less top speed and lower gas mileage at highway speed


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Why do the rpms suddenly drop to 0 when driving on the highway?

It appears that you may be suffering from the same problem i had a while back. Have you checked the wires to the alternator or even the plugs because the rev counter on a lot of cars runs of the alternator. Or it could be the alternator on the way out.


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If you have an engine that idles at 6000 rpms, you need to have it checked - immediately. Around 750 rpms would be normal.


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