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G5

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Question
Car starts shaky or won't turn over
Hello. If your vehicle's engine is behaving erratically, and making noise this could be a sign of many things, but notably, it could be a sign of serious engine damage. I would recommend you stop driving the vehicle, and have...
Question
a video or book of how to do a headlight and bracket replacent on 2009 pontiac g5 gt model
Although normal headlight bulb replacement is straightforward, replacement of the headlight brackets will require much more work. There is no video I could find to detail the procedure, so I would suggest having a qualified technician, such as one from...
Question
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...
Question
Hello there i have a quick question
Hello. Since you have a 4-cylinder engine there is only one bank of exhaust. Bank 1 would be where the exhaust manifold is on the engine. An AV shaped engine that has two exhaust manifolds would have Bank 1 and...
Question
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...
Question
2002 Grand Prix or 2008 G5?
Hi there. I was actually in this situation last month helping my college-bound daughter choose her car for Colorado driving. At first glance, based on your description of needs, commute, living in Wisconsin, and looking at both vehicles stats,...
Question
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...
Question
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...
Question
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...
Question
Instrument cluster going haywire
There have been a variety of digital instrument panel problems with this particular Pontiac model, and a common thread is a loose, or poor connection of the positive battery cable (battery to the electrical system). Ground cable issues as well...
Question
Throttle Position Sensor
The 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 inexpensively....
Question
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...
Question
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...
Question
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...
Question
Fuel injection keeps clogging or getting dirty. I have replaced a cylinder and cleaned the system 2 times since July.
Hello. If you are continually having an issue with the fuel injectors clogging, then there is debris in the system. Most of the time, this debris is caught in the filter on the fuel pump, but if that is damaged...
Question
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...
Question
Engine light on
Your check engine light 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 the...

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