Showing articles & questions for topic
V6-3.8L Turbo

Related questions

Transmission
Hello. From what you are describing it seems as though the transmission fluid has leaked out. There is a rubber hose that conveys transmission fluid to the radiator for cooling (through a sealed heat exchanger). That hose could have leaked....
Fuel leaking out of car
The fuel lines and filter would have to be checked to see what is causing your leak. I recommend you do not attempt to drive the vehicle till having it looked at and fixed. The leak may pose a fire...
Coolant leak on car
Hi. The water pump and radiator are common leaks on your van. Your cooling system will need to be inspected to find what part is leaking. It’s ok to add water to the system temporarily until the leak is repaired,...
Car keeps dying
There are several situations that can cause your concern. A common failure is the crankshaft position sensor which tells the computer how fast the engine is spinning and calculates ignition timing. A clogged fuel filter can restrict fueling and a...
Service Engine light flashing, rough at idle, loss of acceleration, but smooth over 40mph. PCV Valve or hose?
Hi Douglas. Thanks for contacting us today. It's is quite possible that the root source of this issue is a PCV valve or other vacuum leak. Knowing the OBD-II trouble code that is triggering the warning light would be a...
If radiator fluid is thick in my husband's 2007 Pontiac Grand prix 3.8L super charge what do I do?
Many of these vehicles came with Dexcool as the coolant. This coolant cannot be mixed with any other types of coolant or it can cause a sludge to build up in the cooling system. I would recommend having your cooling...
2006 Pontiac Grand Prix GT reduced engine power.
Hey there. The reduced power light typically indicates a fairly serious problem with the throttle system. When this light illuminates the vehicle will often go into a “safe mode”, which will severely limit the speed of the car and in...
Can I turn off the SES Light ?
The purpose of the SES light is to alert you that there is a malfunction in the engine or powertrain. When the SES light turns on, you can attach a code scanner to the vehicle's OBD-II port under the steering...
2004 Chevrolet Impala SS Security Light
Either the key fob remote's battery is going out causing the immobilizer system to trip the security or the immobilizer system control is not responding. I recommend replacing the battery (https://www.yourmechanic.com/services/battery-replacement) in the key fob remote and programming the remote...
When driving all the time I hear a fluttering sound. Seems to be coming from my right front area and gets worst the faster I drive.
The noise that your are hearing could be the lug nuts being loose or the wheel bearing hub assembly could be failing. Check the lug nuts and tighten them if they are loose. If the lug nuts are tight, then...
Starting issues
Hey there. Thanks for writing in about your 2005 Pontiac Grand Prix. There are many possible causes for a car not to start. Based on your description, however, I believe there is something wrong with your ignition system. I would...
Cooling fans
This can be caused by a number of things such as low coolant levels (https://www.yourmechanic.com/services/top-off-coolant), a faulty thermostat (https://www.yourmechanic.com/services/thermostat-replacement), or a failing coolant fan switch. As you may know the coolant fan switch helps to maintain the proper coolant temperature...
Car leaking and overheating.
The engine in your vehicle is well known for having coolant leaks from the elbows at the belt tensioner. However, there are many places coolant can leak from. The best way to pinpoint a coolant leak is by performing a...
No Crank, No Start After Clearing Check Engine / Security Codes?
A scanner will not cause a no start but the security system will. You will need to have the passlock system codes pinpoint tested to see if the problem is the key or the system needs reprogrammed or the module...
If the security system is disabled on a 98 Riveria will the car no longer work?
Hi Tristana. Thanks for contacting us tonight. In most cases, if the security system has been disabled manually (meaning that someone has disconnected wires or attempted to bypass it somehow), it will create a fault code in the ECU which...
No reverse, car drives in neutral and drive
You may have a shifter cable problem with the cable ends. The plastic cable end bushing deteriorate and fall apart causing this problem and may require the shift cable to be replaced. Check cable end where it connects to transmission...
2004 Chevy impala ss sunroof will not close, make clicking noise and motor sounds like it is laboring
Hi There, It sounds like the sunroof is binding up inside the track causing it to get stuck and ultimately overpower the motor. This will likely require the sunroof panels to come apart to determine what may be causing it...
Can dodge challenger rims fit a 2002 pontiac gtp coupe
Hi There, Depending on the year of Dodge Challenger you are referring to, the bolt pattern will be different from that of the Grand Prix. There are several wheel options depending on the model Dodge Challenger as well which will...
How do I know if I have a bad coil or a bad fuel injector?
The easiest way to test for spark is to pull the spark plug boot off of the number 3 cylinder spark plug and install a spark tester. Most auto parts stores have them for a few bucks. The spark plug...
Going into fail safe mode
The powertrain control module is programmed to go into a fail safe mode whenever there is a major failure in the transmission or engine. You will need to have the vehicle scanned to get the failure codes so it can...

Need a mechanic?

Our certified mobile mechanics make house calls in over 700 U.S. cities. Fast, free online quotes for your car repair.

Get a quote