P0171 chevy cruze. P0171 CHEVROLET Fuel Trim System Lean Bank 1 2019-11-29

P0171 CHEVROLET Fuel Trim System Lean Bank 1: Code Meaning, Causes, Symptoms, & Tech Notes

This youtube video is a great resource for diagnosing the P0172 trouble code in your Cruze. I was able to take out the old air intake hose and replace it with a new one. Compared to many other compact cars, the Cruze is heavier and offers a more solid feel. Another known issue in Ford vehicles is a vacuum leak from a ripped-through rubber elbow on one of the vacuum lines at the back of the intake manifold. Fix: Replace valve cover All from a bad pcv valve, or technically a bad valve cover. A white smoke from the exhaust, lack of boost and whining noise coming from the front of the engine, could indicate a problem with a turbocharger. A mechanic would be able to do something called a smoke test, which would let them visually see where the intake is leaking from.

2011 Chevy Cruze P0171, U0100, U0140, U0073, Stabilitrak

I went and checked the air intake hose at least I'm pretty sure that's what I saw and noticed what looks like a small crack. This loop continues as long as the engine is running. Turbo charger being replacing under powertrain warranty. Car was out of warranty, but chevy covered under emission warranty. Any advice would be great. The check engine light will likely persist for several engine start-stop cycles I don't know the exact number provided it doesn't detect the same problem in that period. Just make sure nothing falls into the open intake system while the pipe is off.

P0171 Chevy Cruze Diagnosis and Explanation

This information is translated by the computer, and used to determine if more or less fuel is needed. The best place to take your car for diagnostics is your local dealer - their technicians are factory-trained and know the common problems with the cars they service. When the oxygen sensor is bad, it can cause a false reading and trigger the code. Code P0171 you say on a 1. It is also one of the most common. Disconnect the purge valve and trims start to fall away to a more acceptable level. The vacuum leak made the Stability light turn on.

2011 Chevy Cruze p0171

Have you considered taking your vehicle to another dealership in your area for a diagnosis? Won't see the car for a few days will keep updated. If you suspect you're running on bad gas, mixing it with good gas is better done sooner than later. Without a scan tool, the only way to find the problem is to check the basics and research common problems with your particular car make, year and model. Tyler You called it mate. The owner's manual for the 2015 Cruze recommends replacing spark plugs in the 1. .

P0171 after oil change chevrolet cruze 2012 l4

An engine may run rough at idle. Many owners mentioned coolant, oil and transmission leaks, so we would suggest having the vehicle of your choice inspected for leaks and other problems. For most people the first sign that anything is wrong at all is the service engine soon light coming on. Typically, the code will be triggered by a lean condition in the engine. Hi jster, We can certainly understand your frustrations and we truly apologize for the inconvenience. Sometimes the mass air flow sensor just gets dirty and gives false air flow readings causing the engine to run lean.

P0171 CHEVROLET Fuel Trim System Lean Bank 1

I went and checked the air intake hose at least I'm pretty sure that's what I saw and noticed what looks like a small crack. The car has had an intermittent rough idle for almost as long as I have had it about 2 years , and its never seemed to be an issue. I generally only diagnose but occasionally I will do simple repairs Looking at all the data and there is no way I could have picked it but a push in the right direction and a simple unplug it test and Bob's ya aunty. Bad Oxygen Sensor— A bad oxygen sensor can make the computer lean out the air fuel mixture and throw the code. Possible Causes: Refer to our article for a list of all possible causes. Many Ford vehicles, including Explorer and F150 had a common problem with leaking gaskets between upper and lower intake manifolds causing the codes P0171 and P0174. Categories , Tags , , Post navigation.

2011 Chevy Cruze P0171, U0100, U0140, U0073, Stabilitrak

Guy at the counter was of no help. Another option you can try is buying gas at a different station. Unlike the P1101 code listed above, the P0171 code can be caused by a lot a Myriad of issues. It would be a good idea to have a professional mechanic to help isolate the source of these codes and recommend the right repairs. My car has 117500 miles. Either way the diagnosis is improper air flow, either by leak or faulty part, backyard mechanic logic says inventory parts involved and start replacing the cheapest and go on from there. To know which is Bank 1 and Bank 2 in your car, you can look it up in the repair manual or google it, mentioning the year, make, model and engine size of your car.

Is a P0171 code a common issue for the Cruze? Does the cold have an effect? : Chevy

If the mass airflow sensor is causing the lean condition, cleaning it may help, but usually, it will need to be replaced. It also throws the code P0171 to let you know that it has done this. The trunk release switch in the trunk can stop working. Note it is shipped to the door cheaper from a dealer in Florida cheaper than my dealer would sell me one. If I leave it with them, they might look at it in 4days, keyword might. A leaking water pump is mentioned often; keep an eye on the coolant level and watch out for coolant smell under the hood and signs of overheating.

P0171 Chevy Cruze Diagnosis and Explanation

Will try the purge valve. Some of the problems were addressed by warranty campaigns and recalls. Fixed that and checked fuel trims again to confirm fix. If your smoke machine didn't come with the right size of plug, you can always do what I do and put a plastic bag over the air filter box connection. This is going to dramatically alter the reading at the mass airflow sensor gets and will trigger P1101.