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  #1  
Old 09-12-2001, 11:48 AM
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Location: Florida
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delayed upshift 400E

Hey guys....again I must return to the brain trust with a question.
My 400 e 92 has an unatural delay shifting from first to second no matter how slowly i accelerate. If I go to 15 miles an hour and hold it won't shift at all. Like a standard. Any help would be appreciated.
Brian.
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Old 09-12-2001, 04:26 PM
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Before someone else asks, I'll ask. This doesn't just happen when the engine is cold, does it? If so, it's a design feature to warm up the catalytic converters faster. Obviously, if it happens when the engine is fullly warm, there's a problem, and I'm not competent to advise about that, though I would suspect the same circuitry which deliberately delays the 1-2 shift -- perhaps engine temp sensor malfunctioning and giving a "cold engine" signal?
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'93 400E
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Old 09-12-2001, 05:42 PM
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it still does it when warm and thanks for the help
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Old 09-12-2001, 05:54 PM
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i got the same problem with my 190e - can somebody HELP US...
is this a mere cable adjustment problem for the tranny or some sorth of sensor.... Even with the engine so warm up it still does the thing .....

Thanks,
Jhaycee
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Old 09-13-2001, 09:12 AM
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I went back to the engine and pulled and pushed back on the plugs for the engine temperature and the problem went away. When I was looking at the plugs I must have bothered the connection.. So thanks to the guy for the first thread pointing me to the delay system for warming the engine. That was it.
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Old 09-13-2001, 08:57 PM
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My pleasure!
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'93 400E
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