Question about 1997 Pontiac Bonneville

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Two problems with '97 Pontiac Bonneville 1: automatic transmission does not shift into higher gear at correct time as it once did, resulting in engine running in higher rpms before gear shift occurs. 2: car has ceased running twice while driving at at speeds below 5 mph. Check gauge alert activates because car thinks it has no gas when it actually does.

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  • Pontiac Master
  • 1,413 Answers

Transmissions Problems.
1- Retrieve engine faulty code from the PCM (Powertrain Control Module) with a scanner.
Gas Problems.
Check gauge alert means there is something wrong with one of the gauge. You need to fix it before going further.
1- Could be fuel tank gauge defect, wiring.
2- Fuel pump stopped working.
3- Bad fuel or water in-tank.

Hope it helps.

Posted on Feb 22, 2019

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 126 Answers

SOURCE: 2002 Sunfire

check automatic adjuster on clutch pedal under dash .

Posted on May 08, 2009

  • 6982 Answers

SOURCE: Engine revving, but car moving slowly until higher gears

Check fluid level and see if it smells burned. If you do not work on it yourself, have a good reliable trans shop check it out. Usually the repair shop you use can recommend which trans shops do good work.

Posted on Apr 14, 2009

  • 30 Answers

SOURCE: Pontiac Aztek Hard Shifts (From 1 to 2) When Cold and No Speed!

check your transmission fluids or have the transmission flushed..you supposed to do that at least once a year!!

Posted on May 24, 2009

vickygomar
  • 460 Answers

SOURCE: looking for fuel filter location on my 97 pontiac bonneville

It is located under the drivers side floor acessable from under the vehicle. For pics and instructions check out .http://www.pfyc.com/supportfiles/gasfilter/

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Posted on May 26, 2009

Molson02536
  • 3854 Answers

SOURCE: 1992 Chevy Suburban rpms jump at 60+ mph

When the transmission jumps the extra RPM by 200 or 300 RPM. That's your Torque Converter Clutch lock up disengaging or it's slipping. Pull the transmission dip stick out and check the fluid level and condition of the fluid, look to see that it's not burning. If the fluid is not burning then it's the Torque converter clutch unlocking and the Throttle position Sensor may need to be readjusted, or if the transmission is still running off a TV cable. The TV cable may need to be adjusted and or the transmission filter may be dirty and needs to be changed. Take it to a transmission shop and explain to them what the transmission is doing. I'm not sure if your transmission is an 4L80 or a 4L80E. If it's the 4L80E the PCM and ECM control the lock up to your converter. If the PCM detects a problem with the transmission, it drops the transmission fluid pressure to the converter clutch. If it's a 4L80, it's controlled by the TV cable and vacuum lines to the transmission modulator. Regardless they can look in to this when they change the transmission fluid and filter. Recap: Have the Suburban's ECM scanned for any transmission DTC codes. Service the transmission if the fluid is dark in colour and burnt. Adjust any linkage to the transmission that is an issue to it's performance. Good luck and keep me posted, be glad to help.

Posted on Jun 07, 2009

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may need a transmission or overhaul that one so take it easy on it. changing the fluid and filter may help but sounds like the valve body is dirty and the trany cant shift like a new one.

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2000 Pontiac Bonneville, odometer and speedometer stopped working. Seems to be struggling shifting gears (is an automatic). No other issues. What do I do?


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I have a 99 pontiac bonneville the transmission will go into reverse and drive fine but afte i get going and it gose to shift into 3rd it falls out of gear and wont move and no reverse but i can kill the...


Retrieve transmission faulty code first and check the transmission oil level.
Every time you turn off the ignition key the PCM act like that
The PCM will see the problems every time it happens and only in the same ignition key cycle.

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When do I use the d 5 gear in acura 2003 tl 3.2 liter


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The Acura just gives you a choice, in case you don't want to go into a higher gear (like if it's slippery traction or a steep hill, etc.)

1 means: Manual gear. FIRST GEAR ONLY.
2 means: Manual gear. SECOND GEAR ONLY.
D3 means: Use automatic transmission, but engine will never shift above 3rd gear.
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1 Answer

2002 pontiac bonneville transmission jerks or bumps when shifting, however not all the time. Can go one or two days without doing it or once it starts if you stop and turn off the engine and start the car...


Had the same exact type of problem. Sometimes the transmission would **** or jump when the car shifted gears and sometimes it would not. Drained the transmission fluid and replaced the filter. Did not fix the problem.

Here is what fixed my problem. I replaced the Mass Air Flow Sensor. It cost about $150.00. From what I was able to find out the mass air flow sensor is tied into the PCM module that tells the car when to shift.

Hope this if helpful.

Nov 30, 2010 | 2002 Pontiac Bonneville

1 Answer

What type of transmission is in my 2000 pontiac bonneville


Hello, this vehicle uses a HydraiMatic 4T65-E, it is a 4 speed automatic with electronic torque converter lock up


(1) SRTA Tag Location (2) Transmission ID Location (3) Hydra-Matic 4T65-E ID Tag (4) Transmission (5) Julian Date (6) Shift Built A = First Shift; B = Second Shift; C = Third Shift (7) Update Level (8) Model (9) Serial Number in Base Code 31 (10) W = Warren Plant (11) Hydra-Matic 4T65-E (12) Model Year (13) Line Built 1 = Line 1; 2 = Line 2; 3 = Line 3; 4 = Line 4 (14) SRTA Metal Tag (15) Control Number (16) Serial Number (17) Calendar Year (18) SRTA Label (19) Part Number213b684.gif

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Two problems with '97 Pontiac Bonneville 1: automatic transmission does not shift into higher gear at correct time as it once did, resulting in engine running in higher rpms before gear shift occurs. 2:...


You may have low vacuum pressure which can screw up the fuel regulator as well as shift points. I would start by checking for vacuum at idle, and if low, check for a disconnected, broken or kinked hose.

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You could change the fluid and add a good conditioner like lucas, but even if it works better, you are only buying time. Unit is likely beginning to wear out.

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