Question about 2004 Buick LeSabre

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Speed ometer in the dash gives inaccurate reading while the digital reading in the widnshield appears to be correct. Fuel gauge has rapped around forward and temperature guage is off.

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The problem here is your "Stepper Motors" are failing in the Instrument Cluster. If your Vehicle has "LOW MILEAGE" it may still be covered under factory warranty. Check with your Dealer first! If not covered under warranty, most reputable Speedometer Repair facilities can service it for you. All "Stepper Motors" in the Instrument Cluster should be replaced at the same time as the OEM versions are prone to ultimate failure.Typically, there are 5 or 6 dependent upon whether or not you have a Tachometer. They are: Speedometer, Temperature, Oil Pressure, Fuel Gauge, Volt Meter and Tachometer. The replacement part must have X25 168 where the X indicates an improved model.

Posted on Dec 12, 2009

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Pretty common problem with these. Here's a guide to learn how to fix GM instrument clusters yourself, I used it to fix mine and it worked great.How to guide for Silverado instrument cluster repair
Pretty common problem with these. Here's a guide to learn how to fix GM instrument clusters yourself, I used it to fix mine and it worked great.How to guide for LeSabre instrument cluster repair

Posted on Oct 07, 2010

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1 Answer

1997 Cadillac Eldorado fuel gauge not reading fuel level correctly


Did you test before replacing ? Do you know how it work's ?

Fuel Level
The body control module (PZM) monitors the fuel level sender input in order to determine the current fuel level. The PZM filters the input and sends a message via the Class 2 serial data line. The IPC receives this message and displays the current fuel level. The fuel level is sent from the PZM to the IPC at changes of 0.5 L (0.02 gal) or on the request of the IPC, with a resolution of 0.04 L (0.01 gal).
• For the digital IPC, when the fuel level is above 18.5 gal, the IPC displays an F. For readings between 18.5-2.5 gal, whole gallon/liter numbers are displayed. When the fuel level reaches 3.0 gal the message FUEL LEVEL LOW is displayed on the driver message center. When the fuel level reaches 2.5 gal, the IPC displays an E. When the fuel level is 1.2 gal or below the IPC displays a flashing E.
• For the analog IPC, when the fuel level is above 18.5 gal, the fuel gauge pointer is on F. When the fuel level is below 2.5 gal the fuel gauge pointer moves to E. When the fuel level is below 3.0 gal the IPC displays a FUEL LEVEL LOW message.
If the updates are not received or a communication error is detected, the IPC performs the following actions:
• For the digital IPC, the fuel gauge is dashed.
• For the analog IPC, the fuel gauge pointer moves to E.

Fuel Gage Inaccurate or Inoperative
Circuit Description
The IPC monitors the fuel level sent by the PZM through the class 2 serial data line. The IPC software controls one of the following two gauge types:
• A digital gauge consisting if a two-digit numeric seven-segment display
• An analog gauge consisting of a needle pointer.
The IPC interpolates and scales the fuel level information that the IPC receives from the PZM.
When you operate the vehicle in diagnostic mode, either in the vehicle diagnostic system or with a scan tool connected, the fuel signal supplied to the IPC is not filtered by the PZM. The unfiltered fuel signal causes the IPC to show real time readings and may be mistaken as an erratic fuel level display.
Diagnostic Aids
Connect a scan tool to the DLC.

Oct 12, 2017 | Cadillac Cars & Trucks

1 Answer

2005 Dodge Caravan Fuel gauge


the fuel level sensor is a float off the side of the fuel sender. over time these floats can become weak at the pivot point and read inaccurately. fuel sender should be replaced to correct this problem

Apr 06, 2013 | 2005 Dodge Grand Caravan

1 Answer

Fuel gage showing half a tank but trip computer only registering 60 miles left


Its very simple. If the gauge is showing half full then fill the tank and see how much fuel it takes. If the amount you add is approximately 50 percent of the fuel tank capacity then you know the fuel gauge is accurate . In that case the computer is giving an inaccurate reading and should be ignored. All you need is an accurate fuel gauge - it does not matter a row of beans what the computer says if the fuel gauge is reading correctly.

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1 Answer

2001 mercury grand marquis 15 amp fuse blows blows when put in drive fuse controls speed ometer fuel gauge oil pressure gauge amp gauge


Check under the dash at your Brake pedal interlock switch. It is timed with the gearshift Interlock and Ignition switch. This switch usually gets hit by feet and dislodged or broken. When you shift out of Park, the switch is toggling to a broken piece and shorting out.

The brake interlock switch is at the top half of the pedal lever. The other part of the Interlock uses a rod or cable in the steering column Ignition switch and mates with the shifting mechanism.

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1 Answer

Have 99 Dodge Caravan The Cluster is not working ( speed milage, shift pattern speed ometer, temp and fuel gauge. Is there a fuse for all or what do I look for the problem? The fuses all look...


with they key on whack the top of dash with the palm of your hand. Do this several times. If the instrument cluster come alive than you have bad solder joints at the main connector for the instrument cluster. The cluster will need to be removed from the dash and then disassembled. The broken solder joint(s) will be visible and can be re-flowed with a soldering iron.

Here are some pictures of the last one I fixed. You can see the ring around this joint this one happens to be the main ground for the instrument cluster.
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I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

Oct 17, 2010 | 1999 Dodge Caravan

1 Answer

With full tank of gas the gauge go's full for a couple days then around half a tank the gauge reads empty 1993 voyager


It sounds like the sending unit has a dead spot on it causing it to read inaccurately. The tank would have to be dropped and the sending unit replaced. Check out this page and illustration to better understand what's going on. "How a fuel gauge works"

Aug 06, 2010 | 1993 Plymouth Voyager

1 Answer

Fuse box locator for dash board lights? Speed ometer, dash lights, gas gauge isn't working.


look up TIPM or IPM which connects to your left SCM that had an electrical overload due to your aftermarket tow wiring harness

Jan 17, 2010 | 2006 Chrysler PT Cruiser

2 Answers

My 2001 Pontiac Aztek's fuel gauge works until about 1/2 way through a full tank of gas and then starts reading erratically. Example: drove 400 km on tank (tank usually yeilds approx. 520 km) and it was...


it is one of two things the fuel gauge in the tank is bad or the gauge in the dash is bad...I would check with the dealer to see if they have seen that problem before...they maybe a recall for that problem...

Nov 18, 2009 | 2001 Pontiac Aztek

1 Answer

Fuel gauge inaccurate 2002 Pontiac Bonnyville


this problem is caused by the sending unit inside the fuel tank, very common problem.

Feb 15, 2009 | 2002 Pontiac Grand Prix

3 Answers

Fuel gauge seems to stick -- irratic readings


I've researched this problem thoroughly as all of my gauges on my '04 Bonneville GXP are producing erratic readings. The only two solutions are to replace the entire cluster which can cost in excess of $700 or replace the six "stepper" motors behind the cluster. Replacing them can only be done by deslodering the old ones and soldering in replacement ones.

Nov 17, 2008 | 2004 Pontiac Bonneville

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