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Old 06-30-2003, 01:02 PM
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Join Date: Apr 2001
Location: fort worth
Posts: 363
gas guage jumps

My 87 300E has 316K miles. The gas guage occ will change from a correct reading to zero to 1/4 back to normal. Sometimes the jumping is almost continuous and other times not.
Is this most likely a sender problem or dash problem? If a sender problem is it usually a contact cleaning or replacement of sender?
If a dash problem is there a contact to clean? I may pull the dash anyway to get my trip odometer fixed(nobody local-plan to send to Hollywood if no other suggestions.)

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Old 06-30-2003, 01:46 PM
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Join Date: Mar 2002
Posts: 136
Likely a sending unit full of gunk. I recall seeing a web site by where someone to the unit out, cleaned it and re-installed.

Could also be a poor gound, either the sending unit end or the guage.

Let us know what you find.
'73 416 UNIMOG DoKa
'85 300GD G Wagen
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Old 06-30-2003, 06:27 PM
Posts: n/a
Previous thread on how to clean a sending unit on a diesel.

Gas gage
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Old 07-01-2003, 01:52 AM
Posts: n/a
Check the ground to the instrument cluster, maybe loose.

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