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Grand Prix

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Question
Battery saver active 2006 Pontiac Grand Prix
Hello - the Battery Saver feature tries to identify scenarios where the charging system is not keeping up with electrical load. If the battery is failing, or if the voltage regulator is not keeping system voltage high enough (13 volts...
Question
Why is my car stalling when I try and start it?
While the condition of your cooling system is certainly not healthy, it may or may not be related to the stalling issue. It is possible that due to the condition of the coolant, or merely coincidence, the coolant temperature sensor...
Question
emergency brake light stays on anf feels like back passenger tire is sticking
Hi there: It's very possible that your emergency brake is stuck; which tends to cause the rear wheel to "feel' as if it's stuck. It's also possible that you have a mechanical problem with the brake master cylinder or individual...
Question
My transmission is slipping where a lot of times it will not change out in second - 2006 Pontiac Grand Prix
Hello - there are several possibilities for this "no shift" behavior: the 2-3 shift solenoid, 3rd gear clutches, 3rd gear sprag (one-way clutch), or a sticking valve body. I would recommend a transmission inspection](https://www.yourmechanic.com/services/gears-slipping-when-accelerating-inspection) by a mobile, professional mechanic, such...
Question
Do you have to replace a serpintine belt if it gets antifreeze on from a waterpump?
Yes. Antifreeze will cause damage the rubber compound in the belts. If you do not replace it now then it will slip and may cause the water pump installer to not warranty the work.
Question
My husband put 10 dixie cups in the coolant reservoir. How can I get it out and how much will it cost to have it flushed out
Hello, thank you for writing in. Flushing the cooling system is not terribly difficult. If you have sockets, and are able to raise the vehicle on jack stands, you can drain the fluid from the system. It involves removing the...
Question
Loose steering wheel
Hello. Thank you for writing in. The vehicle may be having one of several issues. Typically the steering wheel is not the issue when the steering becomes loose. Now if the entire steering column is loose, you can worry about...
Question
Motor mount need fix
Hi there. It sounds like it could be a motor mount, but this more than likely needs a thorough inspection to determine which and how many mounts are in need of replacement. The inspection may uncover any other possible underlying...
Question
dash lights out and tail lights dont work
Hello, thank you for writing in. The vehicle is likely having one out of two different issues. One of which would be the headlight switch This switch controls both of the headlight system and taillight system. If the switch is...
Question
Gas gauge issue
The fuel gauge reading is correlated to a sending unit inside the fuel tank. This is a small float type component inside your fuel tank that measures the level of the fuel inside the tank. As the fuel level drops,...
Question
ok i have a 01pontiac grand prix and the car has a wobble to tje front passenger side and a thummping noise that stops when i turn
Hello there, many common faults will cause a wobble and thumping noise on your 2001 Pontiac Grand Prix. Replacing the hubs and the passenger side tire rod is a great place to start, but before any more parts are replaced...
Question
Car won't switch gears properly only reverse and manually.
Hi there. Check the battery and make sure that it has a full charge. If the battery has a full charge, then check the harness to the transmission and make sure that its plugged in all the way. If the...
Question
Car will start and run smoothly but will die when you try to accelerate.
Hi there. There may be a misfire on a cylinder that is causing the engine to hesitate on acceleration. Check all of the spark plugs and wires and see if they have burn marks. If there is burn marks on...
Question
p0141 error code
The heater in an oxygen sensor is used to get the oxygen sensor up to operating temperature quickly to allow the system to go into closed loop operation. The heater will only operate once per key operation, and only from...
Question
Door lock problems.
You will need to have the vehicle checked by a mechanic like one from YourMechanic to see all that got damaged. You may have to have a door lock plate put on to mount the new lock to. If the...
Question
When pressing gas pedal car starts to shake then stops when i let go
Hello, thank you for writing in. Due to the occurrence of your symptoms being related to the acceleration of the vehicle, it is likely that the vehicle is misfiring for one reason or another and causing an engine vibration. Misfires...
Question
When installing a new water pump and thermostat on my 1989 Pontiac grand Prix should I use gasket sealer or silicone grease
In your application, the new thermostat comes with a new rubber seal which is the entire gasketing solution for the thermostat housing. Nothing should be added as that may interfere with the seal. The water pump uses a paper/fiber gasket....
Question
Keyless synchronization, how much is cost? Change lock from door? 2006 Pontiac Grand Prix
Hello - there will be 2 tasks here. The first is to match the door lock(s) with the ignition switch key tumbler if you wish for one key to do everything as a new car would. This can be done...
Question
Are my heads cracked or just gaskets on intake and manifold blown?
In order to know if the heads are damaged from the overheating or corrosion near the coolant passages you will need to have the intake and heads removed. The heads get corroded to the point the coolant passages do not...
Question
When I try to start my car up it will crank but won't start up
There are several possible causes for a vehicle to crank and not start. There could be a bad fuel pump, faulty plugs, bad timing belt/chain, faulty ignition, failed camshaft/crankshaft sensor, or any number of other possible causes. It would first...

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