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Old 10-12-2004, 01:20 AM
akm akm is offline
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fuel gauge

i have a 1992 jeep wrangler with the 2.5L four banger.

my fuel gauge works fine when full and all the way down to the half way point, then it stops reading.

i know that the gauge isn't jambed because i pulled the cover and pulled the arm over to the left (empty) and it slowly went back to the center.

i guess my question is, how would i go about checking what my problem is.............. fuel gauge or sending unit?

thanks, late' Aaron

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Old 10-12-2004, 05:54 PM
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Use a multi-meter to test the wires for resistance at different levels.
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Old 10-13-2004, 12:49 AM
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Tank sender

[size=3]Doc here

Sounds like the Sender is either Stuck or sticking at half travel, (The fuel sender Float) or the Rheostat in the Sender has changed Values.

Try about a 100 ohm 1 watt resistor on the line from the sender, to ground (with sender unhooked) The Gauge should move 3/4 (ball park) or so deflection.

Then Ground the wire and the pointer should go to zero...leave the wire unhooked and it should go to full.. (Some will operate backwards, but if you get the proper deflection, It's all good!)

If it does the system is fine, The sender is at fault. Pull the Sender and fuel pickup and either Repair (adjust) or replace.

Doc
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Old 10-13-2004, 06:00 PM
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thanks, i'll try that and get back to you.
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