2020年7月25日 · Learn about symptoms and causes of P1174 fault codes on Chevy and GMC vehicles, including how to diagnose and fix the problem.

2020年7月4日 · The P1174 code sometimes is triggered by clogged fuel injectors. Start by using high octane fuel and/or fuel additive to clean injectors. If the problem persists fuel injectors may need to be replaced. The Fuel Trim Cylinder Balance diagnostic detects a rich or lean cylinder to cylinder air/fuel ratio imbalance in each bank.

To fix fault code P1174 in your automobile, start by checking the possible causes: clogged fuel injectors, faulty oxygen sensor, ignition problem, fuel injection problem, or engine mechanical condition.

2022年12月14日 · GM P1174 stands for Fuel Trim Cylinder Balance (Bank 1). These codes are set by the engine control unit (ECU) when a difference in the fuel-air mixture between cylinders of Bank 1 or 2 is detected by their respective oxygen sensors. P1175 means the same exact thing as P1174, just for the cylinder head containing the second cylinder. Bank 1 or ...

What Does The Chevrolet P1174 Code Mean? This trouble code means that your air to fuel ratio is either running too lean or too rich. What Are The Potential Causes Of The Chevrolet P1174 Code? The Fuel Trim Cylinder Balance diagnostic is very sensitive to HO2S design. A non-OE sensor or an incorrect part number may set a false DTC.

2020年7月4日 · Code P1174 Chevrolet Description. The Fuel Trim Cylinder Balance diagnostic detects a rich or lean cylinder to cylinder air/fuel ratio imbalance in each bank. The diagnostic monitors the pre-catalyst heated oxygen sensor (HO2S) signal's frequency and amplitude characteristics by calculating an accumulated voltage over a predetermined sample period.

2022年12月14日 · P1174 and P1175 are GM-specific DTCs (Diagnostic Trouble Codes). They indicate fuel bank trim issues on bank 1 and bank 2 of your Chevy Malibu.

2022年12月14日 · P1174 + P1175 Causes: Chevy Silverado. The following are the most common causes of GM P1174 and P1175: Faulty or contaminated oxygen sensors; Fuel injectors that are leaking or clogged; Incorrect or worn spark plugs, plug wires (if equipped), and coil packs; Vacuum leaks; Intake manifold leaks; Defective or dirty mass airflow (MAF) sensor

2021年10月31日 · This is an error code that you will come across if you have a Chevy or GMC vehicle. The error code says, "Fuel trim cylinder balance bank 1" in most cases. There is another code closely related to that, which is P1175, and instead …

2021年4月18日 · P1174 CHEVROLET Meaning. The Fuel Cylinder Balance Diagnostic detects an imbalance in the air/fuel ratio between cylinders and cylinders in each bank. The diagnostic monitors the frequency and amplitude characteristics of the pre-catalyst heated oxygen sensor (HO2S) signal by calculating an accumulated voltage over a predetermined sampling period.