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G5

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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
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
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...
Question
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...
Question
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...
Question
Large A/C Leak
Hi there. There could be several problems causing this refrigerant leak ranging from a broken low or high pressure hose, fitting, compressor or other AC component. Providing an estimate would be impossible without knowing the exact source of the leak....
Question
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...
Question
There is also a symbol on my dash when it's turn over it's a car with a lock it reads a number 1 2008 Pontiac G5
Hi there. From your description it is hard for me to tell what is going on as it does not sound familiar. From what you are saying it sounds like you may have a security system issue. If the security...
Question
Rattling noise after replacing everything I could find wrong.
If you request a vehicle noise diagnostic a certified mechanic would be able to pinpoint the noise and get you to a resolution. Among the possibilities that have to be looked at are the exhaust system, any sub-frame attachment points,...
Question
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,...
Question
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...
Question
Getting a p0017 & p0016 code even after replacing crankshaft sensor. How can I get it to reset
Hi Lori. Thanks for contacting us today. Typically when a warning light is illuminated, an OBD-II error code is created. This code is stored in the ECU until repairs have been made and a professional mechanic with a digital scanner...
Question
I recently put a new front suspension kit on my wife's car, along with new braking system. There is still a rattle and vibration
It sounds like you may have some stabilizer bar links that may need to be replaced. As you know, a sway bar or stabilizer bar is a steel bar that connects suspension components on opposite wheels. Its purpose is to...
Question
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...

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