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G5

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I recenlty changed the window regulator on my 2009 pontiac g5. After that, the car started to experience reduced engine power. Che
You cannot have a used ECM installed since it was programmed to old car. You will need to have a new or remanufactured one and have it programmed to work for your car and theft system. If the battery got...
Engine light on
Your check engine light (https://www.yourmechanic.com/services/check-engine-light-is-on-inspection) may come on for many different reasons such as a faulty mass air flow sensor, a faulty O2 sensor, a bad catalytic converter, bad spark plugs or wires and many other reasons. Unfortunately due to...
My car dies randomly when I'm coming to a stop
Hi Destiny. When the AC is turned on or your vehicle is activating a "cooling mode", the engine undergoes a tremendous amount of load. When this occurs, existing problems that can be hidden in most cases will accelerate and cause...
Can a steering wheel lock up because there is a problem with the battery or alternator
Hello Sharon, thanks for writing in. The power steering can and absolutely will go out if the alternator or battery fails while driving. Lets break it down. The alternator is powered off of the engine, and it then supplies the...
The steering wheel is getting tight. How can I fix the problem
The power steering pump may be low on fluid causing the system to work hard like the vehicle had no power steering. Check the fluid for the correct level. If the power steering fluid is full, then the pump or...
Oil leaking all out under front end
It sounds like the oil pan ruptured or tore from an impact. The crankshaft is above the pan and probably is not damaged however there is an oil pick up tube and screen assembly in the lower oil pan area...
Reduced engine power displayed car trying to stall in 1st gear motor shaking.
Hi there. If the engine is shaking and the reduced engine power is displayed, then you need to check the engine for a misfire. Check the fuel injectors for if the are working properly. Disconnect the harness one at a...
The car idles rough and is shooting out codes p0017, p0016.
Hi, from what you’ve described and the nature of the two codes, it sounds like a timing problem. It’s possible that the timing chain has stretched, the timing chain tensioner needs to be replaced, a timing chain guide has slipped...
Car doesn't want to stop when brakes are pressed, has an odor, and feels like it wants to power off on me.
Hello. From what you describe it would appear that some sort of serious issue may have occurred that is greatly affecting engine performance. A few common reasons why a car would not want to go over 45 mph is due...
Difficulty starting up after filling the gas tank
Hello there. It sounds like you have a few things going on. If there is no power to the DLC connector, then the code readers are not able to read codes stored in the ECU. The most common cause of...
Throttle Position Sensor
The throttle position sensor (https://www.yourmechanic.com/parts/throttle-position-sensor) is a very common part on most cars, however it is specific to your vehicle's engine application. This is something that ca be purchased at most local auto parts stores (i.e. Autozone, Oreily's, etc.) relatively...
Key stuck in ignition car is dead
This is a known issue with the Pontiac G5 and can be caused by a couple of different possibilities. One possibility is related to the transmission shift lock assembly or position indicator sensor (https://www.yourmechanic.com/services/transmission-position-sensor-switch-replacement) which is what prevents the key...
Why won't my car start after replacing fuel pump
Hi there. In general, when an engine just 'clicks' when you turn the key, it's due to an electrical relay that is damaged, battery or battery cables that are worn out or broken or a broken fuse. Any or many...
My car works only in reverse not in drive
Hi there. The forward clutch seems to be not applying in the transmission. The forward clutch drives all of the forward gears in the transmission. The forward clutch could be slipping, the seals on the forward clutch could be damaged,...
Car won't always start right away, after fueling up.
The purge valve on the engine is not supposed to flow fuel tank vapors from the carbon canister when the vehicle is off or at idle. When refueling the vehicle a lot of fumes are generated in the tank and...
service traction light comes on and stays on when I'm driving
Hello there, the traction control system is an important safety feature of your 2007 Pontiac G5. When the traction control light is on this means there is a fault that prevents normal operation of your traction control system. The problem...
Instrument cluster going haywire
Hi there. Based on what you've described, it seems like you may have either a combination meter issue or a loose/corroded connector/ground. Loose/corroded connectors can make some of the things in your vehicle behave erratic just as you mentioned. Make...
Does replacing the upstream oxygen sensor with a different brand as the down stream cause the engine to throw more codes?
Hi, thanks for writing in. This should not affect the functionality of the O2 sensors, as long as the replacement sensor is in fact the correct part for your application. If your car continues to produce fault codes, consider having...
Fuses keep blowing for the fuel pump
Hello, thanks for writing in about your Pontiac G5. From what you've described you have a fuel pump that is causing the short intermittently. The connection to the to the fuel pump should be also replaced along with the pump...
Cooling fan malfunction
Hello there. The cooling fan running when the vehicle is shut off for this vehicle is fairly common. In some cases the cooling fan will run when the vehicle is turned off to continue to cool it down for a...

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