What would be the most common reason for the fuel gauge to not work?

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Fuel Gauge reads full, however, the ECON display reads low fuel. Sending unit? Bad ground? Just the gauge?

tloy1987 in Davenport IA

Aug 25, 2016

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What is your question?

Popular Answer

What would be the most common reason for the fuel gauge to not work?

What is your question?

Fuel Gauge reads full, however, the ECON display reads low fuel. Sending unit? Bad ground? Just the gauge?

tloy1987 in Davenport IA

Aug 25, 2016

2 Replies

Popular Answer

stevieray1on Aug 25, 2016

most likely the sending unit ,float arm/switch has gone bad.you can just replace that part for $138.99 or $161.99(pump NOT included)..there are two diff models..or replace the whole assembly(pump included)for $232.99..or just leave it like it is and use the trip button on odometer to keep up with your miles so you'll know when to re-fuel...this is if you do the work yourself. if a shop does it,price will be around $574.00--$959.00,depending on how hungry the shop is..there is a slight chance the gauge is broken,but will require a gauge sweep test to verify? i'm a betting it's the sender!

tloy1987on Aug 27, 2016

I was pretty certain myself that it was the sending unit. But, was looking for advice as they are a bit pricey. I've been using the trip meter to get by. However, I don't trust my wife to look at it and don't want her to end up along side the road if for some reason she drives this thing.

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zippie1on Aug 25, 2016

As you drive the vehicle , does the GAUGE respond appropriately for the time/miles driven , despite what the ECON display says?

tloy1987on Aug 27, 2016

The gauge doesn't move at all. Ever. Always reads full.

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Popular Answer

What are the best Mercury repair shops?

RepairPal Certified shops can diagnose and repair your 1999 Mercury Mountaineer. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.