P0341 is a somewhat common OBDII diagnostic code in the Opel Signum. It means that there is a Range/Performance problem. In layman terms this means that there is a problem with the signal coming from the Camshaft Position Sensor (CPS). OBDII P0341 means that there is a problem with the Camshaft Position Sensor (CPS) … Read more
P0012 is a common trouble code. It affects vehicles with variable valve timing (VVT). The list of VVT vehicles is growing, and the Opel Signum can have VVT, and is known to develop this code. P0012 is generic, which means that it has the same definition for the Signum as it does on any other … Read more
P0113 is an OBDII trouble code that occurs when the Opel Signum’s engine management computer detects that there is an issue with the Intake Air Temperature (IAT) Sensor, specifically that there is a High Input Problem with it. P0113: IAT Sensor – High Input Problem The IAT sensor is responsible for measuring the air temperature … Read more
The Opel Signum has been a reliable car for many years, however recently some drivers have reported a P0325 trouble code. In this article, we’ll discuss the possible causes and how to fix them. We’ll also provide some preventative maintenance tips to help you keep your Signum running smoothly. The knock sensor’s primary role is … Read more
If your Opel Signum has the P0304 trouble code, you should know that it’s about as common of a code as there is. It’s a generic OBD IIcode (same meaning for all vehicles) that indicates that your car’s fourth cylinder is misfiring. P0304 is a drivability concern and should be dealt with right away. If … Read more
A somewhat common issue with the Opel Signum is the P0449 code. This code references a number that is given to you when you plug it into a OBD2 scanner. P0449 deals with the evaporative emissions control (EVAP) system. It often appears with, or is related other codes, such as P0420, P0446, and very often … Read more
One of the more common engine management trouble codes that can occur in the Opel Signum is P0340. It’s a generic code, which means it has the same definition for every car or truck made after 1996. P0340 is related to the camshaft position sensor and points to an issue with the wiring harness connected … Read more
If your Opel Signum has the P0303 trouble code, you should know that it’s about as common of a code as there is. It’s a generic code (same meaning for all vehicles) that indicates that your car’s third cylinder is misfiring. P0303 is a real drivability concern and should be dealt with right away. If … Read more
A prevalent issue with the Opel Signum is the P0446 code. This code corresponds to a specific number obtained when connecting your Signum to an OBDII scanner. A faulty vent control valve most commonly causes P0446. Definition P0446: EVAP System – Vent Control Circuit – Malfunction Symptoms Usually none Common Causes Bad EVAP Vent Control … Read more
One of the most common issues that happens with the Opel Signum 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