Question about 1998 Chevrolet Malibu

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FUEL GAGE INOP BUT DUMMY LIGHT STILL WORKS

MY FUEL GAGE DOES NOT WORK BUT I STILL HAVE THE DUMMY LIGHT COME ON WHEN LOW ON GAS, WHAT COULD BE THE CAUSE OF THIS?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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emissionwiz
  • 84966 Answers

SOURCE: Fuel level sensor in tank bad????

Yes it is all one unit, and yes that is what the problem is. don't use aftermarket parts, use OEM, (Delco Remy) they are much better quality.

Posted on Sep 08, 2008

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  • 25 Answers

SOURCE: 2003 S10 gas gage not working

bad ground on tank

Posted on May 10, 2009

  • 2 Answers

SOURCE: fuel gage doesn't work

I went to a dealer, they replaced the fuel level sensor (p/n 19177712 SEN KIT 3.107 $118.62) with labor $270.00 for a total of $398.86 this appears to have fixed it for now.

khooper, in another forum, told me that "Chevron Techron Fuel System Treatment Plus can remove harmful sulfur deposits from the sending unit and a filmer agent that can prevent the deposition of said sulfur"

I also talked to another mechanic who blames ethanol for these deposits !

Posted on May 22, 2009

jagjeffery
  • 318 Answers

SOURCE: gas gage flips back and forth and low fuel light flashes

sounds like you have a bad fuel gauge sending unit common problem it is located inside the the fuel tank with the fuel pump Auto Zone should be able to pull codes to verify this it should say you have a bad fuel level sensor code

Posted on Jun 05, 2009

alicantecoli
  • 22484 Answers

SOURCE: 2002 4x4 chevy duramax low fuel light comes on and

try the multiplug connection on top of the tank

Posted on Dec 10, 2009

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1 Answer

Do i have to drop the gas tank to change the gas pump on a 2011 gmc acadia? Also if the fuel level sensor is bad will the car shut down if the gage says it is emty but it is not?


Yes the fuel tank has to come out to change the fuel pump. But are you sure that is the problem ? Your vehicle has a Fuel Pump Flow Control Module (electronic's ) Or is it just your fuel level sensor you want to replace ? And to your question of if the fuel level sensor is bad will the car shut down if the gage says it is emty but it is not? No ,this will not shut down the vehicle. You probably have no idea of the complexity of the electronic's involved an the thing's that can cause the gauge not to work .
Fuel Gage
The instrument panel cluster (IPC) displays the fuel level as determined by the ECM. The IPC receives a serial data message from the ECM indicating the fuel level percent. The fuel gage defaults to empty if:
• The ECM detects a malfunction in the fuel level sensor circuit.
• The IPC detects a loss of serial data communications with the BCM
• The BCM detects a loss of serial data communications with the ECM
When the fuel level is less than a pre-determined value, the low fuel indicator illuminates in the IPC.
Unless you have a factory or professional type scan tool your better off taking your vehicle to a qualified repair shop.

Fuel Gage Inaccurate or Inoperative
Circuit/System Description
The fuel level sender changes resistance based on the fuel level. The engine control module (ECM) monitors the signal circuit of the fuel level sender to determine fuel level. When the fuel tank is full, the sender resistance is low and the ECM senses a low signal voltage. When the fuel tank is empty, the sender resistance is high and the ECM senses a high signal voltage. The ECM uses the signal circuit of the fuel level sender in order to calculate the remaining fuel level percent in the tank. The ECM sends the fuel level message via the serial data circuit to the body control module (BCM). The BCM sends the fuel level percent to the instrument panel cluster (IPC) via the serial data circuit for display on the fuel gage.

Circuit
Short to Ground
High Resistance
Open
Short to Voltage
Signal Performance
Fuel Level Sensor Signal
P0462
1
P0463, P0464
P0463
P0461
Fuel Level Sensor Low Reference
--
1
P0463, P0464
P0463
P0461
1. Fuel Gage Inaccurate or Inoperative

Do you know what a DTC is ? diagnostic trouble code !

Apr 14, 2018 | 2011 GMC Acadia

1 Answer

Fuel gage on my 01 couger does not work but the low fuel light on the gage is on would like to know what the wiring diagram is and if anyone can give advice on where to go from here


check power to the sender unit in the fuel tank may be a break in the wire in your trunk/boot. if not change the sender unit.

Dec 27, 2013 | Cars & Trucks

1 Answer

Fuel gauge gmc


It could be a loose connection on the gauge or the fuel sending unit.
The fuel sending unit can get worn and have breaks in the contact area that is used to determine float position to send the fuel level reading to the gauge.
I suspect that you have problem with the fuel sending unit considering that the light is on. I am assuming that the light that is on is the "low fuel light". Check your connections at the sending unit if the connections are secure then I would suggest replacing the fuel sending unit.

Jul 04, 2013 | Cars & Trucks

2 Answers

Gas gage is not working 1987 grand marquis


Fuel level sending unit. I hope it's not, but ya..... it's inside the fuel tank. Also called the float level.

Not an easy task unless you are ready to drop the fuel tank at home.

Some had a small access hole under the back seat so you could get to it easier, but it's not that easy to get the back seat out, and harder to get it back in.

Hope this helps.

Dec 10, 2012 | 1987 Mercury Grand Marquis

1 Answer

Fuel gage fuse


The fuel gage shares the same fuse as all the gages, so if the fuel gage is inop and all other gages are working then you have another problem. The most common cause is that the sending unit for the fuel gage inside the fuel tank is defective, that is true 99% of the time in my 35 years of repair work.

Jan 20, 2012 | Ford F-250 Cars & Trucks

1 Answer

Gages and dash lights


Have you checked the fuses? Look in the owner's manual for the locations... you might have just blown one.

Aug 15, 2009 | 2000 Oldsmobile Intrigue

1 Answer

2003 silverado 1500 HD ran out of gas and i put in gas and it won't turn over why? the fuel was low I stoped at a light and the truck coughed twice and died. I put in 5 gallens of gas and the gas gage wont...


If the starter doesn't turn over the battery is dead or you need to replace the starter.

The gas gage not working is caused by the fuel level sender located in the fuel tank this will also need to be replaced.

Aug 02, 2009 | 1999 Chevrolet Silverado 1500

1 Answer

Gas gage flips back and forth and low fuel light flashes


sounds like you have a bad fuel gauge sending unit common problem it is located inside the the fuel tank with the fuel pump Auto Zone should be able to pull codes to verify this it should say you have a bad fuel level sensor code

Jun 05, 2009 | 2004 Chevrolet TrailBlazer

1 Answer

Low fuel indicator light


it is probably the bulb that lights up if it was a fuse you would have something else not working you will have to remove the cluster and replace the bulb in the back

Jun 25, 2008 | 1996 Pontiac Grand Am

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