Pontiac Grand Prix P0011: OBDII Code Diagnosis

P0011 is a very common trouble code. It affects vehicles with variable valve timing (VVT). The list of VVT vehicles is growing, and the Pontiac Grand Prix can have VVT, and is prone to developing this code. P0011: Camshaft Position “A” – Timing Over Advanced -or- System Performance (Bank 1) P0011 is a generic OBDII … Read more

Pontiac Grand Prix P0113: IAT Sensor → High Input Problem

P0113 is an OBDII trouble code that occurs when the Pontiac Grand Prix’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 … Read more

Pontiac Grand Prix P0174: Meaning, Causes, How to Fix

One of the most common trouble codes with the Pontiac Grand Prix is P0174. It indicates that your Pontiac Grand Prix 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 … Read more

P0305 Pontiac Grand Prix

P0305 is a fairly common trouble code with the Pontiac Grand Prix. 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 Grand Prix. The nice thing about P0305 is that it’s a cylinder specific … Read more

Pontiac Grand Prix P0401: Meaning, Causes, How to Fix

P0401 is a very common OBDII trouble code that’ll pop up in the Pontiac Grand Prix. It has to do with the emissions system and stands for Exhaust Gas Recirculation (EGR)→ Insufficient Flow. The EGR system in your car is responsible for recirculating exhaust gasses in order to lower the vehicle’s emissions output. There are … Read more

P0135 Pontiac Grand Prix

P0135 is a very common OBDII code that occurs in the Pontiac Grand Prix. 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 … Read more

Pontiac Grand Prix P0430 Code: Causes + How to Fix

This page is meant to help you troubleshoot the Pontiac Grand Prix P0430 trouble code. It covers the P0430 code’s meaning, symptoms, causes, and possible solutions. P0430 is an emissions-related trouble code and is virtually never a breakdown risk. P0430 is usually caused by a catalytic converter issue or a bad O2 sensor. Table of … Read more

P0741 Pontiac Grand Prix

P0741 is a very common trouble code. It’s know to affect the Pontiac Grand Prix quite often. Here’s what it means: P0741: Torque Converter Clutch Circuit → Performance or Stuck Off The Grand Prix uses a clutch in the torque converter to lock the engine and transmission together at highway speed. P0741 can register whenever … Read more