econometer stay in red zone no matter what speed you drive or idle ?

1990 MERCEDES BENZ 300E
280,000 MILES
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JOHAN STANDER
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300e 1990 w124 serviced / bought 3 weeks ago
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Dec 15, 2011 at 6:53 AM
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RIVERMIKERAT
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Check air filter, fuel filter, fuel pressure, and spark. Also check compression. It should be at least 120 PSI and not vary more than 15% from highest to lowest.
Dec 15, 2011 at 7:21 AM