Question about 2004 Pontiac Aztek
How can the problem be fixed?
Posted by Anonymous on
a 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of.(from cars to computers, handyman, and even drones)
click here to download the app (for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
SOURCE: 2003 pontiac sunfire GT
When they say "bank," they're referring to cylinder banks 1 or 2. Bank 1 is the passenger's side and has cylinders 1-4 on it. Bank 2 is the driver's side and has cylinders 5-8 on it.
P0171/0174 indicates that the long term fuel trims have reached a maximum (should be somewhere around 30-35%). Fuel trims are how much fuel the PCM adds or subtracts. 0171/0174 indicates that the engine is running lean, meaning that outside air is getting past the mass air sensor. The O2 sensors see this excess air and the PCM responds by cranking up fuel trims to add more fuel for that more air.
Possible solutions include:
Posted on Jun 09, 2008
Bank 1 is the frt side exhaust manifold (did they say bank 1 sensor 1?),you can start by replacing that sensor,i would check the intake for leaks ,the gm 6cly. are known for bad intake gaskets,you will see oil coming out form the frt or rear of the intake,also check your atifreeze overflow bottle for bronwish sludge,which means that the oil is mixing with the antifreeze.A leaking intake could cause that lean condition.
Posted on Mar 29, 2009
po171 is a lean code, and could be likely caused by a plugged fuel filter, or a weak fuel pump, I would recommend changing the fuel filter first since its cheaper.. The filter is located under the rear of the vehicle by the fuel tank, if this doesn't help run, or have run a fuel pressure check to determine if that is the cause. Also look carefully under the hood for any hoses or lines disconnected causing a vacuum leak, this can also cause a lean code
Posted on Jan 11, 2010
Tips for a great answer:
Aug 26, 2016 | Dodge Cars & Trucks
Mar 11, 2016 | Cars & Trucks
Jan 27, 2016 | Cars & Trucks
Jul 24, 2015 | Cars & Trucks
Apr 10, 2014 | 2000 Lexus RX 300
Mar 31, 2014 | 2003 Chevrolet Malibu
Aug 24, 2010 | 2000 BMW 3 Series
Jun 08, 2010 | 2000 Ford Taurus
Dec 16, 2009 | 2003 Ford Windstar
Mar 23, 2017 | 2004 Pontiac Aztek
15 people viewed this question
Usually answered in minutes!