P0121 is a somewhat common trouble code with the Saturn Relay. It’s an OBDII code and has to do with the Throttle Pedal Position Sensor. It is relatively serious problem since it leaves your vehicle in failsafe mode. P0121: Throttle Pedal Position Sensor → Switch (TPS) A Circuit Range → Performance Problem OBDII code P0121 … Read more
One of the most common trouble codes with the Saturn Relay is P0174. It indicates that your Saturn Relay is running lean on the bank two side of the engine. P0174 and P0171 (fuel trim lean bank one) are the most frequently seen air/fuel mixture-related codes. If they appear together, it reduces the list of … Read more
P0455 in the Saturn Relay 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 Relay. But, whenever the check engine light is on, it’s … Read more
P0305 is a fairly common trouble code with the Saturn Relay. It’s and OBD2 code and stands for: P0305: Misfire Detected → Cylinder 5 P0305 is certainly a cause for concern, and should be considered a threat to the drivability your Relay. The nice thing about P0305 is that it’s a cylinder specific trouble code, … Read more
P0401 is a very common OBDII trouble code that’ll pop up in the Saturn Relay. It has to do with the emissions system and stands for Exhaust Gas Recirculation (EGR)→ Insufficient Flow. The EGR system in your van is responsible for recirculating exhaust gasses in order to lower the vehicle’s emissions output. There are three … Read more
P0135 is a very common OBDII code that occurs in the Saturn Relay. It is caused by a failure in one of the oxygen sensors heated elements, specifically bank 1 sensor 1. It technically stands for: P0135: Heated Oxygen Sensor → Sensor Heater Circuit Malfunction → Bank 1, Sensor 1 The purpose of the heated … Read more
A prevalent issue with the Saturn Relay is the P0446 code. This code corresponds to a specific number obtained when connecting your Relay 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
If your Saturn Relay 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 van’s fourth cylinder is misfiring. P0304 is a drivability concern and should be dealt with right away. If … Read more
P0741 is a very common trouble code. It’s know to affect the Saturn Relay quite often. Here’s what it means: P0741: Torque Converter Clutch Circuit → Performance or Stuck Off The Relay uses a clutch in the torque converter to lock the engine and transmission together at highway speed. P0741 can register whenever this connection … Read more
If your Saturn Relay 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 van’s third cylinder is misfiring. P0303 is a real drivability concern and should be dealt with right away. If … Read more