Question about 1997 Pontiac Bonneville
1- Retrieve engine faulty code from the PCM (Powertrain Control Module) with a scanner.
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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Posted on Jan 02, 2017
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
check your transmission fluids or have the transmission flushed..you supposed to do that at least once a year!!
Posted on May 24, 2009
It is located under the drivers side floor acessable from under the vehicle.
For pics and instructions check out
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Posted on May 26, 2009
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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