Is there a p0171 code on my GMC Sierra?
The code is often accompanied by the P0171 Code, which is for the same problem, but the other fuel bank. P0171 and P0174 GMC Sierra – This is the article for you if you are experiencing both of these trouble codes at the same time.
What are the trouble codes on my GMC Sierra?
Two of the most common trouble codes with the GMC Sierra are P0174 and P0171 . Both of these codes reference a number that is given to you when you plug your truck into a OBDII scanner. P0171 and P0174 occur when the air/fuel mixture on the truck gets too lean.
What does the code p0174 mean on a Chevy Silverado?
P0174 and P0171 are OBDII trouble codes. The code technically stands for: These codes are thrown when the oxygen sensors detect that there’s not enough oxygen in the exhaust system. This is commonly referred to as a “lean” condition.
What is the lean bank code on a GMC Sierra?
The code is often accompanied by the P0174 code, which is for bank 2. P0171: Fuel Trim System Lean Bank 1 P0171 and P0174 GMC Sierra– If you have both of these codes at the same time, this is where you should start.
What does the code p0171 mean on a GMC Sierra?
P0171 and P0174 both indicate that there is a lean condition present in your GMC Sierra. By themselves, these are some of the most common OBD2 codes. When they are together, it indicates that the entire engine is running lean. Both of these codes are generic, which means they have the same meaning (Sierra or not).
Two of the most common trouble codes with the GMC Sierra are P0174 and P0171 . Both of these codes reference a number that is given to you when you plug your truck into a OBDII scanner. P0171 and P0174 occur when the air/fuel mixture on the truck gets too lean.
Can a lean code p0171 be a missfire code?
The bulletin states that it is very common to see lean codes P0171 & P0174 TOGETHER, and also a possible missfire code. The catch to this is that GM also changed the gasket material to help fix this problem, and they state that the updated ones are supposed to be teal green, and to not use the orange ones again. Click to expand…
P0174 and P0171 are OBDII trouble codes. The code technically stands for: These codes are thrown when the oxygen sensors detect that there’s not enough oxygen in the exhaust system. This is commonly referred to as a “lean” condition.