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Old 01-27-2003, 02:27 PM
evoboy
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Hi Steve,

OK , procured a test harness from Mercedes , results as follows :-

Normal running , 30ma at cold start , about 1-2 ma when warm at idle, minus 5>6ma during normal acceleration , 0 > 2 ma at cruise.

(no cat on this car)

Have tried with and without the decel switch connected and the fault occurs regardless , approx -60ma on decel followed by a massive 250ma approx surge at the point the fault occurs.
After the engine cuts it is then reluctant to start , two things affect this , 1/ holding the throttle flat to the floor , the engine will then restart with some hesitation 2/ disconnecting the test meter , so effectively disabling the EHA , the engine will then immediately restart.

What do I check next ?

Thanx

Gary
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