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Digital fuel display not working - 1992 Cadillac DeVille

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1981 Cadillac with digital displays. The fuel pump was replaced, and since then fuel gauge always reads full. (It was working prior to the replacement fuel pump)

Hello: This could be the fuel level sensor is not connected or the sensor assembly was damaged or bent when assembly was reinstalled or the fuel pump was not installed on the sending unit correctly.

Dec 25, 2010 | Cadillac DeVille Cars & Trucks

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Digital display in the dash says the tranny is in Drive, so it won't let the fuel pump engage. The transmission will fully function through the gaers, but the in dash display still says it's in drive, so...

Do you mean the car will not start because the display thinks it's not in Park or Neutral? It's likely the selector sensor not sensing the correct gear position. Does the dash display change when you move the selector? If not the sensor is bad or needs adjustment.

Feb 10, 2010 | Buick Regal Cars & Trucks

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The Fuel Data center lights are not working and the electrnic climate control lights arent working neither, what would you say are the possible problems

do you mean the digital readings are not lit up or the "Dash Lights" if the display is not lit it will be a circuit board problem.

Jul 15, 2009 | 1992 Cadillac DeVille

1 Answer

Display says hot ac disabled now car wont start..

Change fuel filter and pump or fill car to full Ac Hot Disabled is a Dummy code The problem is low Fuel pressure

Mar 22, 2009 | 1995 Oldsmobile Ninety Eight

1 Answer

2002 Liberty Fuel Gauge Not Working

It may be possible to get instrument cluster to do a self-test? If you want to try this to rule out instrument cluster.
Press and hold odometer reset button, turn key from off to run, run is where the dash lites come on. Any stored 3-digit codes will be displayed in the odometer vf display. The vf display will perform a sequential segment test. All indicators, data controlled, will illuminate. All gauges will cycle in 12.5% or 15% increments. The cluster will automatically exit self-test. The self test does not verify serial data stream. The cluster internally commands all non-hardwired gauges and indicators to operate. The fuel level sending unit sends info to pcm then pcm sends data to instrument cluster.
I don't know if that self-test will work on your vehicle? It won't hurt to try. If all the gages cycle except fuel gage, then I suspect the instrument cluster. You can call around different shops, get an estimate for the repair.

Jun 11, 2017 | 2002 Jeep Liberty

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No digital display working

this is caused by a circuit board failure inside the digital cluster, this cluster can be rebuilt, the only real option on these is a factory repair center, contact your GM dealer for a name and number.

Dec 23, 2008 | 1993 Cadillac DeVille

1 Answer

Instrument cluster blank

The digital display is controlled by a processor board, and yes the board goes bad, but fixing it, well I have tried many times with no sucess, I always in the end got a rebuilt cluster from GM.

Nov 03, 2008 | 1992 Chevrolet S-10 Blazer

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