Question about 1991 Peugeot 405

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Low fuel light stays on even when the tank is full peugeot 106 1994

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Your fuel gauge is faulty

Posted on Nov 22, 2009

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1993 chrysler new yorker. Fuel gage doesn't register. Low fuel light stays on even when tank is full.


More than likely the sending unit is not communicating with the fuel gauge so even when the tank is full the unit doesn't register it.There could be a short or a loose connection from the sending unit to the guage

Jul 13, 2015 | Chrysler Cars & Trucks

1 Answer

Warning light for low fuel stays on


The sensor is part of the fuel pump module inside the gas tank.
The signal is sent to the body computer, so it could be a faulty module or a problem with the body computer.
The circuit would need to be checked with a meter.

Feb 08, 2013 | Volkswagen Cars & Trucks

1 Answer

FUEL LOW LIGHT STAYS ON EVEN WITH A FULL TANK


Usually a problem with the sending unit in the tank.

Jul 20, 2012 | Toyota Cars & Trucks

1 Answer

The low fuel light stays on even when tank is


Hi: Your Fuel Level Sending Unit That Is Located in Your Fuel Tank Is Probally Bad. BUT before you go to taking the Sending Unit out Of your Tank Check to see if ALL Connections To And From Tank to Gauge are Conected Good. Also You could have a Fuse that Goes to the Sending Unit,in Your Fuse Block.Check And See if You Have A Fuse Labeled Fuel Sending Unit or Fuel Sensor. If you end up Replacing The Fuel Tank Sending Unit Run Your Gas Tank Down To Almost Out Of Gas Before You Start to Remove The Metal Straps Holding Your Tank Up. Cause The Sending Unit Is on Top of Your Tank ,And Your Fuel Pump Is In The Gas Tank As Well. Hope This Has Helped You Please Send Me a Vote on How my Solutions Have Helped You And Also You Can Send Me A Testamony Thank You From the WYOCWBOY

May 31, 2010 | 2005 Chevrolet Impala

2 Answers

Fuel guage stays on full


You've got to check the( Fuel-gauge) sender unit which is inside the tank,
it could be faulty or stuck at 'full' position.
Its mostly fitted on top of the fuel tank could be easily accessable form the inside or you may have to drop the tank.

May 11, 2009 | 2001 Ford Econoline

1 Answer

I can not find any wiring diagram that shows the correct fuel module connector (7 pin). Gage stays pegged beyond full, and fuel low light will not illuminate, even when usable fuel in tank is exhausted....


sounds to me that the gas tank is not grounded or 12v was supplied to sender unit wire and damaged fuel gauge

run a ground wire from battery neg (black) post to clean metal on tank

Mar 19, 2009 | 2001 Chevrolet Astro

2 Answers

Low fuel light stays on


change the sender unit in the tank,check wiring on top of sender unit

Jan 01, 2009 | 1998 Oldsmobile Bravada

1 Answer

1989 Saab 900 low level fuel light


You don;t say whether the fuel gauge is reading accurately, or whether it's always on empty. If the gauge is always showing empty, it's most likely a problem with the sending unit in the fuel tank. Check the resistance across the two terminals of the sending unit.

On a C900, the fuel sender level unit is separate from the fuel pump and located on the right side top of the tank, accessible by removing the trunk floor lift up panel (the pump is located on the left side top of the tank.
Possible problems are: electrical line off or broken, float not working (it's fairly delicate); or gauge not working.

Test the resistance of the sending unit with the lines disconnected, the resistance should be 2.6 to 3.8 ohms full tank, 63.3 to 67.5 ohms empty tank; and test for voltage across the top of the sender unit, if no voltage, that's likely the problem!

If the gauge is otherwise reading accurately (showing 'full' for a full tank, etc) then the problem is likely a gauge malfunction and can be simply replaced.

Good luck!

Saabreur

Jul 10, 2008 | 1989 Saab 900 4 Door

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