Quote:
Originally Posted by 97 SL320
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I still would like to get to econ guage down to min at idle.
Don't even know where to start with that. "
The gauge likely needs to see engine vacuum, there would be a hose running into the car. If you HVAC used vacuum to operate the doors and they don't work they likely share a vac source.
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Doors lock, trunk locks, windows work, seat belt arm works...actually everything I can think of works so I giess the pass compartment has vacuum.
Other dash guages work but my econ guage is about 1/4 at idle.
I never noticed it might have a problem until someone noted that at idle the econ guage should be pinned on left.
I still need to try to see what a purple line means to try to cut down possible souirce of that open purple line at the front near the drivers side light.