answersLogoWhite

0

This is an educated guess!

It probably regulates the amount of oxygen in the fuel system.

it senses the O2 level in the exhaust too much means lean too little means rich

User Avatar

Wiki User

15y ago

What else can I help you with?

Related Questions

Where is bank 2 snsor 1 oxygen sensor on 1998 mercury grand marquis?

On a 1998 Mercury Grand Marquis : Bank 2 is the drivers side of the engine Sensor 1 would be in the exhaust close to the engine before the exhaust enters the catalytic converter ( upstream sensor )


Where is the oxygen sensor on a 2003 grand marquis?

The 2003 Mercury Grand Marquis came equipped with the 4. 6L V8. Oxygen (O2) sensor locations are upstream and downstream (before and after the catalytic converters).


Where is bank 2 snsor 1 oxygen sensor on 1996 mercury grand marquis?

Bank 2 is the drivers side of your engine , Sensor 1 is in the exhaust before the catalytic converter ( upstream )


What is a B1S1 oxygen sensor?

Bank 1 is the passenger side of the engine in a Mercury Grand Marquis Sensor 1 would be in the exhaust close to the engine before the exhaust enters the catalytic converter ( upstream sensor )


Where is bank 2 oxygen sensor on 1997 grand marquis?

On a 1997 Mercury Grand Marquis : Bank 2 is the drivers side of the engine and ------------------------------------------------------------------------------------------ Sensor 1 would be close to the engine before the exhaust enters the catalytic converter Sensor 2 would be AFTER the exhaust has passed through the catalytic converter ( also called a catalyst monitor )


Which cylinder in number one on a 01 mercury grand marquis?

firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of Mercury Grand Marquis


How many oxygen sensors are needed for 2000 Mercury Grand Marquis?

There are four, two on each side, pre- and post- catalyst.


96 Mercury Grand Marquis 318 V8 Oxygen Sensors Where are they and how much do they cost?

The 1996 Mercury Gran Marquis does not have a 318 V8. It has a 281 V8 (4.6 Liter). 318 is a Chrysler engine. O2 sensors are located screwed into the exhaust system. Start at the exhaust manifold and go backward and you will find them. The cost varies from site to site. Ask you local Auto Parts store for a price quote.


Why is the check engine light on 2003 mercury marquis?

The check engine light on a 2003 Mercury Marquis can illuminate for various reasons, including issues with the engine's performance, emissions system, or sensors. Common causes include a loose or damaged gas cap, faulty oxygen sensors, or issues with the catalytic converter. To diagnose the exact reason, it's advisable to use an OBD-II scanner to retrieve the error codes, which can provide specific insights into the problem. Ignoring the light may lead to reduced performance or further engine damage, so it's important to address it promptly.


Where is the oxygen sensor on a '95 Mercury mystique?

Mercury Mystique with V6 engine has two oxygen sensors. First one located between radiator and engine, second - behind the engine, near the coil pack (below). It's not very difficult to replace them.


Is there oxygen in Mercury?

No, there is no oxygen in Mercury's atmosphere because Mercury does not have an atmosphere.


What element is made up of mercuric oxide?

Mercury and Oxygen.