Q: I have a 2007 Buick Lucerne and the temperature gauge is bouncing up n down ...what does that mean?

asked by on

The temperature gauge is bouncing up and down. Also the car act like it wants to cut off

My car has 186405 miles.
My car has an automatic transmission.

It is possible that your coolant temperature sensor is faulty. I would recommend having this sensor tested for proper function and replaced if necessary. Consider YourMechanic as this can be done at your home or office.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. I have a 2007 Buick Lucerne and the temperature gauge is bouncing up n down ...what does that mean?

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: 4T65E just replaced 08 Lucerne 3.8L, replaced plugs/wires/1 coil pack melted at #4 so replaced it now rough idle

The coil pack melts down for a reason and cause will need to be diagnosed what caused it. The most common cause is a short in the signal wire or excessive resistance in the plug wires or plugs. I recommend...

Q: What color is strut fluid?

Most fluid that is used inside struts is going to be clear, light brown or a light green. The leak can be a residual leak from the strut seal and may not e a bad strut but normal leakage. If...

Q: My transmission will not downshift at a stop, upshift from a stop, or go in reverse.

Hi there. Most transmissions have shifting issues with the fluid being dirty. First replace the transmission oil filter and do a transmission oil flush. If the fluid is black, do not attempt to change the fluid as it will make...

Related articles

P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...