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#1
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1983 380 SEC Missing after warm up
It seems to have a ruff idel after it wamrs up plugs wires cap and rotor are new. What opens up after it warms up and what could cause a vacume leak. Is what I'm thinking any one have an idea?
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#2
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The car runs on freeway fine idles ruff after it warms up and I put a vacume gauge on the intake 15lbs of vacume at idle after warm up. New vacume advance also with tune up parts.
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#3
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15 inches is a little bit low. Trouble is, a poor idle can cause low vacuum, and a vacuum leak can cause a poor idle So to start with, check all vacuum lines and connectors in the engine compartment carefully. Then disconnect and plug the vacuum line at the rear of the intake manifold, and see if that makes a difference. If it does, you may have a leak in the cabins systems (climate control and door locks).
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Chuck Taylor Falls Church VA '66 200, '66 230SL, '96 SL500. Sold: '81 380SL, '86 300E, '72 250C, '95 C220, 3 '84 280SL's '90 420SEL, '72 280SE, '73 280C, '78 280SE, '70 280SL, '77 450SL, '85 380SL, '87 560SL, '85 380SL, '72 350SL, '96 S500 Coupe |
#4
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Thank you I went and checked all liones including trans and no diffrence now what? tune up about 1,200 mi ago
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#5
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plugs,wire bad coil?was it OEM cap and rotor?
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1999 w140, quit voting to old, and to old to fight, a god damned veteran |
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