P0020 is a rarely seen OBD II trouble code that can affect the Mercury Grand Marquis. It’s a variable valve timing (VVT) related code, indicating a wiring issue with the bank 2 camshaft actuator “A.” P0020 is often by low or sludgy oil. Check your Grand Marquis’s oil as soon as possible. P0020 is a … Read more
P0001 is a rarely seen OBD II error code. It indicates an issue with your Mercury Grand Marquis’s Fuel Volume Regulator (FVR) Control System. P0001 is usually caused by a wiring problem or issue with the fuel volume regulator. The most difficult issue with diagnosing the fuel system is getting to the parts. P0001 is … Read more
P0200 is a common OBD II error code that can occur in the Mercury Grand Marquis. It indicates an issue with your car’s fuel injection system. Specifically, the fuel injector circuit is out of range (in terms of voltage). Mercury Grand Marquis P0200: Quick Info Definition P0200: Injector Circuit Malfunction Frequent Symptoms Check engine light, … Read more
P0000 is a rare OBD2 fault code that can affect the Mercury Grand Marquis. While there are over 10,000 DTC “P” codes, this is the only one reserved for “no fault detected” in your car’s ECU (engine control unit) memory. It tells the scanner accessing the ECU that no codes are stored. The most common … Read more
If your Mercury Grand Marquis has a humming noise at high speed, it can be distracting and, depending on the cause, dangerous. We’ve outlined the most common reasons why a humming noise in your car gets louder with speed. We’ve also provided an audio sample of each issue to help determine what’s causing the hum. … Read more
P0073 is a common OBD2 trouble code that can affect the Mercury Grand Marquis. OBD2 trouble codes. In layman’s terms, it indicates that there is an issue with your car’s ambient air sensor. The ambient air temperature sensor (or AAT for short) is responsible for monitoring outside air temperature and regulating your vehicle’s automatic climate … Read more
P0088 is a common OBD2 trouble code that can occur in the Mercury Grand Marquis. In layman’s terms, it indicates that your car’s fuel pressure is too high. While P0088 is a generic code, repair steps will vary depending on your Grand Marquis’s model year, engine type, and how it regulates fuel pressure. P0088 Definition: … Read more
P0324 is a common OBD2 trouble code. It indicates that there is an issue with your Mercury Grand Marquis’s knock control system. While P0324 is a generic code, repair steps will vary depending on your Grand Marquis’s engine type and model year. However, some basic steps can be followed to help diagnose and fix the … Read more
P0026 is a code that signals an issue with your Mercury Grand Marquis’s intake valve control solenoid circuit. In layman’s terms, the circuit is not complying with the Powertrain Control Module’s commands. It sent a signal to the intake valve control solenoid, and it, for whatever reason, failed. P0026 is a generic code (it has … Read more
P0152 is a common OBDII code that occurs in many vehicles, including the Mercury Grand Marquis. It indicates that the bank 2 sensor 1 O2 sensor is reporting a voltage level that is higher than its normal operating range. P0152 Definition: O2 Sensor – High Voltage – B2S1 O2 Sensor Oxygen sensors are responsible for metering … Read more