Mercury Montego P0131: Meaning, Causes, How to Fix

The P0131 code is an OBD-II diagnostic trouble code that indicates low voltage in the Mercury Montego’s Oxygen (O2) sensor circuit for Bank 1, Sensor 1 (B1S1). This sensor plays a crucial role in maintaining optimal engine performance by detecting the air-fuel ratio in the exhaust, then sending this data to the Montego’s engine control … Read more

Mercury Montego P0700 Code: Meaning, Causes, + How to Fix

A trouble code is a signal that is generated by an automatic transmission system whenever it detects an issue in the Mercury Montego that requires your attention. The P0700 code is a general code that is typically accompanied by another code that specifies the specific problem. This code is part of the OBDII system and … Read more

Mercury Montego P0440: Meaning, Causes, How to Fix

The P0440 code is a common trouble code that many Mercury Montego owners may encounter. It indicates that there is an issue with the car’s Evaporative Emission Control (EVAP) system. Specifically, the EVAP system is malfunctioning. A variety of causes can trigger the P0440 code, with the most common one being a loose or damaged … Read more

Mercury Montego P0442 Engine Code: Causes + How to Fix

One of the most common issues that happens with the Mercury Montego is the P0442 trouble code. This code appears when connecting the vehicle to an OBDII scanner and pertains to the emissions system.  While it’s unlikely to cause a breakdown, it can be bothersome and may result in a failed emissions test for your … Read more

Mercury Montego P0500: VSS – Circuit Malfunction

P0500 is a OBDII trouble code that affects the Mercury Montego‘s Vehicle Speed Sensor (VSS). The VSS sends a signal to the engine’s computer letting it know how fast that the vehicle is going. The Montego uses this signal for many vehicle functions. It helps control transmission shifts, ABS, cruise control, the speedometer, and more. … Read more

Mercury Montego P0455: Meaning, Causes, + How to Fix

P0455 in the Mercury Montego is a trouble code that indicates your truck has a LARGE evaporative emissions leak. With this code, you shouldn’t notice any symptoms besides perhaps a noticeable fuel smell. P0455 usually is not an immediate threat to the driveability of your Montego. But, whenever the check engine light is on, it’s … Read more

Mercury Montego P0496 OBDII Code Diagnosis

One of the most common trouble codes with the Mercury Montego is the P0496 code. This code number references a number that is given to you when you plug your Montego into an OBDII scanner. Below, you’ll find the most common symptoms and ways to diagnose the P0496 in your Mercury Montego. Good Luck!   … Read more