taking off the eha and then replacing it will not cause any changes in it's operation unless the o rings leak after you do this.this will be easy to see. lets suppose that the temp sensor has an operating range between 2400 ohs and 600 ohms the computer will be instructed to use maybe 1400 ohms if it sees an open circuit.hope this clarifies the situation.

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David S Poole
European Performance
Dallas, TX
4696880422

"Fortune favors the prepared mind"
1987 Mercedes Benz 420SEL
1988 Mercedes Benz 300TE (With new evaporator)
2000 Mercedes Benz C280
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