✅ Skoda fabia 1.2 FSI CBZA/CBZB DTC P0171 Fuel Trim System Lean Bank 1, replacing the fuel injector

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What does this mean?
OBD2 Code P0171 Skoda definition:
Basically this means that an oxygen sensor in bank 1 detected a lean condition (too much oxygen in the exhaust). On V6/V8/V10 engines, Bank 1 is the side of the engine that has cylinder #1. Note: This DTC is very similar to P0174 Skoda, and in fact your vehicle may show both codes at the same time.
Symptoms
Possible symptoms of OBD code P0171 Skoda
You will more than likely not notice any drivability problems, although there may be symptoms such as a lack of power, detonation (spark knock), and/or a hesitation/surge on acceleration.
Causes
Possible causes of OBD code P0171 Skoda
A code P0171 Skoda may mean that one or more of the following has happened: ?The MAF (Mass Air Flow) Sensor is dirty or faulty. Note: The use of “oiled” air filters may cause the MAF to become dirty if the filter is over-oiled. There is also an issue with some vehicles where the MAF sensors leak the silicone potting material used to protect the circuitry. ?There could be a vacuum leak downstream of the MAF sensor.
Possible Solutions
Possible solutions include: ?In the vast majority of cases, simply cleaning the MAF sensor does the trick. Consult your service manual for it’s location if you need help. I find it’s best to take it off and spray it with electronics cleaner or brake cleaner. Make sure you are careful not to damage the MAF sensor, and make sure it’s dry before reinstalling ?Inspect all vacuum and PCV hoses, replace if necessary ?Check for a dirty fuel filter and proper fuel pressure.
The OBD2 Code Information Be Applicable For Skoda:
2013 Skoda Rapid,2013 Skoda Octavia,2013 Skoda Citigo,2011 Skoda Roomster,2011 Skoda Fabia,2010 Skoda Superb,2009 Skoda Superb,2009 Skoda Octavia,2008 Skoda Fabia,2007 Skoda Fabia,2006 Skoda Roomster,2006 Skoda Octavia,2005 Skoda Octavia,2005 Skoda Fabia,2003 Skoda Superb,2003 Skoda Octavia,2003 Skoda Fabia.
Note:
1. The list of automotive Makes at the right edge of the screen. The currently selected ODB-ii codes is for the Skoda makes.
2. Look up the other OBD II Trouble Codes, please use the search box. Enter the 5 character trouble codes in the search box and submit the search.
3. Don’t assume a particular OBD-II code means the same for other auto manufacturers as there are many makes specific codes in use.
4. If your OBD-II trouble codes are for a different car, select that vehicle series before searching for the diagnostic codes because not all OBD2 codes used by one manufacture are used by the other makes.
5. The information contained on this site is presented for informational purposes only. We are not responsible for any actions you take on your vehicle. If you have any doubt as to repairs on your vehicle, please contact your technician.

[@246alfa]

These are magneti-marley injectors, installed on 1.2-1.4 engines. They have a nozzle at an angle and are easy to clean on a stand. They have six nozzle holes at an angle.

[@josefgeyer2247]

How do you get the screw into the injector?

[@repeater95]

what was the cost?

[@bq5577x]

How did you see which injector is bad? I have CBZB too, have lean error P0171, but I don't know which injector. Replacing all four is kinda expensive. I've tried cleaning ultrasonic with brake cleaner too, but the problem still returns every now and then

[@am-master1242]

I didn't know which injector was faulty, so I replaced all four. I agree, it's expensive, but I'm sure faulty every little bit, VAG produced a fuel additive knowing about the problem, but it can't fix it...

[@ruud4508]

OEM injectors from €122-200 per 4(!) on eBay, china or Germany, even Amazon

[@mir6301]

Jetta 1.2 tsi mk6... my car has a problem of acceleration after a misfire while going up to high rpm. Could it be due to this part? There is a high pressure gas pump as a malfunction, but there is no problem in normal use and there is no sound from the pump. We could not fully resolve the issue. I would really appreciate if you can help.

[@am-master1242]

Hello, we need to connect diagnostic equipment , and make a test trip , see real -time data on the fuel pressure that creates the fuel injection pump

[@am-master1242]

Hello , did you connect diagnostics to check the fault codes ?