P1171 and P1174 are OBD-II trouble codes related to fuel trim issues in vehicles, typically indicating a problem with the air-fuel mixture. P1171 usually refers to a lean condition in bank 1, meaning there is too much air or not enough fuel in that bank of the engine. Similarly, P1174 indicates a lean condition for bank 2. These codes can be triggered by various factors, including vacuum leaks, faulty fuel injectors, or issues with the mass air flow sensor.
gas and air flow meter
Codes P1171 and P1174 for Land Rover vehicles typically indicate issues related to the fuel trim system, specifically indicating that the system is running too lean (P1171) or too rich (P1174). These codes can be triggered by various factors, including vacuum leaks, faulty fuel injectors, or issues with the mass air flow sensor. Diagnosing the root cause often requires checking for air intake leaks, fuel pressure, and sensor functionality. Addressing these issues promptly is essential to ensure optimal engine performance and efficiency.
No, it will not.
Lean Condition caused by bad or restricted injectors
p300 is a misfire
You need a OBD 2 scanner/reader to erase the codes
Yes you need all OBD codes clear to pass testing
You need an OBD scanner or take it to your local Auto Parts store. Stores like Advance auto parts can usually read codes for you. The generic codes they read out can be converted to Volvo's OBD codes. The generic codes usually start with the letter P.
Once erased, the codes are gone.
OBD codes that start with a P are power train codes.
To retrieve OBD codes from a 1999 Daewoo Nubira, you will need an OBD-II scanner, as this model is equipped with an OBD-II system. Connect the scanner to the OBD-II port, which is typically located under the dashboard near the driver's seat. Turn on the ignition without starting the engine, and follow the scanner's instructions to read the error codes. Make sure to note any codes displayed for further diagnostics or troubleshooting.
If you want the OBD codes, try this site: http://autorepair.about.com/library/ts/obd-i/bl-dtcs-63a.htm?once=true&