econometer stay in red zone no matter what speed you drive or idle ?
1990 MERCEDES BENZ 300E
280,000 MILES
JOHAN STANDER
MEMBER
1 POST
300e 1990 w124 serviced / bought 3 weeks ago
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Dec 14, 2011 at 10:53 PM
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RIVERMIKERAT
✓Experienced Mechanic
6,110 POSTS
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 14, 2011 at 11:21 PM
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