MG-Cars.net

Welcome to our resource for MG Car Information.

Recommendations

Parts

MG parts spares and accessories are available for MG T Series (TA, MG TB, MG TC, MG TD, MG TF), Magnette, MGA, Twin cam, MGB, MGBGT, MGC, MGC GT, MG Midget, Sprite and other MG models from British car spares company LBCarCo.

MG Midget and Sprite Technical - Fuel gauge testing

Fuel gauge on recent MG 1300 acqusition reads over 1/4 full but ran out on first run!

After adding 20 litres, gauge still read the same so as this was one of several electrical gremlins, pulled the dash out which was very challenging. After disconnecting the wire to the sender, the gauge dropped to empty. Can I test the gauge on the bench to ensure it reachs full. Assuming it does, I guess its a case of new sender.

D Plumb

Dont forget to add that this is for a positive earth car.

Im in the same boat...I notice last time my fuel gauge isnt working...im hoping its just a little corrosion on the voltage stablizer contact and not a stuck float in the tank

Prop
Prop and the Blackhole Midget

you could try this did mine when i suspected it

http://www.chicagolandmgclub.com/techtips/mgb/f-gauge_cal.html
mark 1500 nearly on the road

Doug

If it's reads the same as midget and B gauges I've got a box to test these.

Bob
R.A Davis

Doug, watch out, the new sender units don't have the same resistance at empty as the originals, they read 1/8th full at empty. Or at least mine did (late 1500)
R W Bowers

somthing else you might find helpfull

http://mk1-performance-conversions.co.uk/pdf/smiths_care.pdf
mark 1500 nearly on the road

I have similar - My gauge reads way above empty before the engine dies.

ideas as to root cause

Gauge is fine, the fuel intake pipe has been damaged in someway, meaning it is sucking from a higher point than normal.

Gauge is goosed, sender is goosed, float is goosed.

My actions

Set trip meter to zero after ever tank fill, understand how far to empty, and keep a wary eye.

Always carry a can of fuel in boot!
Mark O

This thread was discussed between 18/02/2014 and 19/02/2014

MG Midget and Sprite Technical index

This thread is from the archive. The Live MG Midget and Sprite Technical BBS is active now.