Fuel sender delay issue with 97 Pontiac Bonneville - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 07-29-2014, 07:05 PM   #1
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Default Fuel sender delay issue with 97 Pontiac Bonneville

Today 05:47 PM - permalink
madtech1972
I have heard about fuel sender calibration problems for 97 Pontiac Bonneville can I please get some more info on this problem my car is having delayed readings on the gas gauge stay at half tank and 3 quarter tank and when low go to e fast . could the instrument cluster be the problem ? thanks

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Old 07-29-2014, 09:33 PM   #2
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No, its in the software in the PCM. I remember seeing a TSB somewhere about it. GM has an update for your PCM. Just stop by the dealer and give them your VIN # and he can double check it.
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Old 07-30-2014, 10:12 AM   #3
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thanks Mike
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Old 07-30-2014, 11:34 AM   #4
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I remember seeing in one of the threats I think it was you mike 1995 you look up vin numbers for what the car had from factory could you look up my vin please ? its 1G2HX52K3VH213225 97 Pontiac Bonneville se 3.8 liter non supercharged thank you
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Old 07-30-2014, 12:29 PM   #5
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Old 07-30-2014, 08:16 PM   #6
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No, he'* talking about GM'* TIS webservice. You punch in the VIN and it tells you all the PCM updates.

MADTECH,
I need to know the service number from your PCM sticker that looks just like this one...

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Old 07-30-2014, 08:17 PM   #7
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This is the actual thing that GM posted about it....

Quote:
FUEL GAUGE REMAINS ON 'FULL' TOO LONG (FLASH WITH UPDATED #73-83-25

SUBJECT: FUEL GAUGE REMAINS ON "FULL" TOO LONG (FLASH WITH UPDATED POWERTRAIN CONTROL MODULE (PCM) CALIBRATION)
MODELS: 1997 BUICK LESABRE
1997 OLDSMOBILE EIGHTY EIGHT
1997 PONTIAC BONNEVILLE
WITH 3.8L ENGINE (VIN K - RPO L36)
CONDITION:
SOME OWNERS MAY COMMENT THAT THE FUEL GAUGE REMAINS ON "FULL" TOO LONG. THE VEHICLE MAY BE DRIVEN APPROXIMATELY 100 MILES BEFORE MOVEMENT BEGINS.

CAUSE:
UPDATE FUEL SENDER INFORMATION CALCULATION MAY BE TOO SLOW.

CORRECTION:
FLASH WITH UPDATED POWERTRAIN CONTROL MODULE (PCM) CALIBRATION.

IMPORTANT:
DO NOT ATTEMPT TO ORDER THE CALIBRATIONS FROM GMSPO. THE CALIBRATIONS ARE PROGRAMMED INTO THE VEHICLE'* PCM VIA A TECHLINE TOOL DEVICE.

USING THE TABLE BELOW, DETERMINE THE CALIBRATION P/N NEEDED FOR YOUR VEHICLE APPLICATION. ENTER THE SERVICE PROGRAMMING SYSTEM (SPS) ON THE TECHLINE TERMINAL. THE MOST UP TO DATE CALIBRATION P/N SHOULD BE IN THE SYSTEM. CONTINUE WITH THE PROGRAMMING PROCESS BY SELECTING PROGRAM.

CALIBRATION AXLE
NUMBER RATIO EMISSIONS TIRE APPLICATION
----------- ----- --------- ---- -----------
16259014 2.84 USA/FEDERAL P205/P215 BUICK LESABRE
+ WA2 OLDS. EIGHTY EIGHT
PONT. BONNEVILLE
16259324 2.84 CALIFORNIA P205/P215 BUICK LESABRE
+ WA2 OLDS. EIGHTY EIGHT
PONT. BONNEVILLE
16259334 2.84 UNLEADED P205/P215 BUICK LESABRE
EXPORT/ OLDS. EIGHTY EIGHT
CANADA PONT. BONNEVILLE
+ WA2
16259344 2.84 USA/FEDERAL P225 OLDS. EIGHTY EIGHT
16259354 2.84 CALIFORNIA P225 OLDS. EIGHTY EIGHT
16259364 2.84 UNLEADED P225 OLDS. EIGHTY EIGHT
EXPORT/
CANADA
16259374 3.06 USA/FEDERAL BUICK LESABRE
OLDS. EIGHTY EIGHT
PONT. BONNEVILLE
16259384 3.06 CALIFORNIA BUICK LESABRE
OLDS. EIGHTY EIGHT
PONT. BONNEVILLE
16259394 3.06 UNLEADED BUICK LESABRE
EXPORT/ OLDS. EIGHTY EIGHT
CANADA PONT. BONNEVILLE
WARRANTY INFORMATION:
FOR VEHICLES REPAIRED UNDER WARRANTY, USE:

LABOR OPERATION LABOR OPERATION
NUMBER DESCRIPTION TIME
--------------- ----------- ---------------
J6355 ON CAR PROM REPROGRAMMING USE PUBLISHED LABOR
FLASH E-PROM OPERATION TIME
FIGURES: 0 ATTACHMENTS: 0

GENERAL MOTORS BULLETINS ARE INTENDED FOR USE BY PROFESSIONAL TECHNICIANS, NOT A "DO-IT-YOURSELFER". THEY ARE WRITTEN TO INFORM THOSE TECHNICIANS OF CONDITIONS THAT MAY OCCUR ON SOME VEHICLES, OR TO PROVIDE INFORMATION THAT COULD ASSIST IN THE PROPER SERVICE OF A VEHICLE. PROPERLY TRAINED TECHNICIANS HAVE THE EQUIPMENT, TOOLS, SAFETY INSTRUCTIONS AND KNOW-HOW TO DO A JOB PROPERLY AND SAFELY. IF A CONDITION IS DESCRIBED, DO NOT ASSUME THAT THE BULLETIN APPLIES TO YOUR VEHICLE, OR THAT YOUR VEHICLE WILL HAVE THAT CONDITION. SEE A GENERAL MOTORS DEALER SERVICING YOUR BRAND OF GENERAL MOTORS VEHICLE FOR INFORMATION ON WHETHER YOUR VEHICLE MAY BENEFIT FROM THE INFORMATION.

COPYRIGHT 1997 GENERAL MOTORS CORPORATION. ALL RIGHTS RESERVED.
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Old 07-31-2014, 12:05 PM   #8
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thank you mike and Softride I will get the numbers from the pcm
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Old 07-31-2014, 04:38 PM   #9
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Hi Mike I have the service number from my pcm its 16217058
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Old 07-31-2014, 07:05 PM   #10
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Looks like your software hasn't been updated yet. Here are the updates...


9365394 9365351 N/A Change to correct 3-4 transmisssion harsh upshift and enhance post 02 sensor diagnostics, Bulletin Number 876520.
16259374 16259017 N/A Reduces the potential for intake manifold over pressure and corrects inaccurate fuel gauge, Bulletin 738325.
16257624 16257550 N/A Corrects wrong fuel level curve information in calibration and intake manifold overpressurization.
16253084 16252951 N/A Supercession - Fix for trouble code P0121
16243694 16243608 N/A New calibration for improved speedometer accuracy and reduced potential for spark timing errors
16231394 16231308 N/A Control module calibration
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