Where the O2 sensor located on pontiac grand prix?
Upstream oxygen sensors are placed in front of the catalytic converter, and measure the amount of oxygen in the exhaust. The car’s computer then uses that data to determine the proper air to fuel ratio. Downstream oxygen sensors are located behind the catalytic converter, and measure the efficiency of the converter.
How many O2 sensors does a grand prix have?
Oxygen sensors are located before and after the catalytic converter. A vehicle may have two to five oxygen sensors, and sometimes even more.
Where is the low coolant sensor on a 1999 Pontiac Grand Prix?
If it is not low, then you may have a level sensor problem. 1999 Pontiac Grand Prix need to know where the low coolant sensor is. The light flashed low coolant all the time and it has plenty of coolant and its not running hot at all. The low coolant level sensor is in the passenger side of the radiator.
Where is the oxygen sensor located on a car?
This information is used by the Powertrain Control Module (PCM) to determine the correct air to fuel ratio for your engine in real time. The sensor is located in the exhaust system and allows the fuel injection and engine timing to work efficiently, which assists with emissions control.
Where is the O2 sensor in the exhaust manifold?
Fig. 2: Location No. 1 — Typical O2 Sensor located in the exhaust manifold Fig. 4: Location No. 3 — Exhaust collector (where more than 1 pipe joins together)
What are the symptoms of a bad oxygen sensor?
Symptoms of a Bad or Failing Oxygen Sensor 1 Check Engine Light comes on The first line of defense is the Check Engine Light. 2 Bad gas mileage and rotten egg smell If the oxygen sensor is going bad, the fuel-delivery and fuel-combustion systems will be thrown off. 3 Rough engine idle and misfires
Where are the O2 sensors on my car?
If a vehicle being serviced is not covered in the charts, inspect the exhaust system in the general locations to find the applicable O2 sensors. NOTE: If equipped with dual exhaust systems, there may be up to 4 or 5 O2 sensors in the exhaust system.
What kind of oxygen sensor does GM 3.1L have?
Your 3.1L, 3.4L GM vehicle comes equipped with 2 oxygen sensors, this article concentrates on testing the one that’s before the catalytic converter ( O2S11 ). Contents of this tutorial: Important Suggestions And Tips. Oxygen Sensor Basics.
When to replace an oxygen sensor in a GM car?
If you notice a rough idle or the check engine light on, replace your oxygen sensor with an OEM GM oxygen sensor. An OEM oxygen sensor will be optimized to meet the needs of your vehicle. It will know the right amount of fuel to air. An OEM oxygen sensor will last as long as the original part.
What are the symptoms of an oxygen sensor out of range?
Here are the most common symptoms: The check engine light (CEL) will be illuminated on your instrument cluster. P0131 Upstream Heated Oxygen Sensor (HO2S11) Circuit Out Of Range Low Voltage (Bank 1).