20 Most Recent 2002 Mercury Sable - Page 9 Questions & Answers

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Bank 1 o2 sensor is located in the exhaust manifold up by the motor bank 2 is located downstream futher in front of the cat.converter mounted in the exhaust pipe.

In the exhaust converter outletThe upstream ones get changed at 100,000on a ford & will fail if you don'tIf you lost a down stream, which are neverreplaced ,do them all if more than oneYou don't pay a shopYou go to Rock Auto web site & buy NGK or BoschOEM SensorsTake yours out & read the body to see the brandYou need a 22mm or 7/8" WrenchIf your front ones are not in the converter inlet,then you may need an O2 Socket or toolIt is a simple job like an easy spark plug,althoughthose days are long goneYou have provided the PO codes you gotYou can google them

Okay, Sounds like you have a bad brake bleeder on the right side. Check beforehand by calling the auto parts stores to see if they carry brake bleeders. It is absolutely necessary for all lines to bleed.There is a pattern to use when bleeding brakes. The longest rear line first, next longest rear line, then the passengers front and finally the Drivers front.As each line is bled. the Master cylinder should be monitored for low fluid. When the rear brakes are working, you will hear the brake springs work when the brake pedal is pressed.It is possibly to have a plugged brake line which can only be determined once the brake bleeder releases the fluid. There can be variations in the brake adjustment, so before putting on the wheel, adjust the star wheel evenly from side to side. Hang (Fit) the drum to the axle and snug up with the lug nuts. Spin the rear wheels and note that each side is evenly touching the brake linings.

There is no separate electrical part for the sensor. Depending on model, the sensor will have 2,3, or 4 wires out of it in a "pigtail", with a connector on the end that plugs into the car's harness.

Usually you drop the transmission from the bottom of the car by removing the suspension cradle.

I would start with the fuel pump relay. The relay may not be working which would require the engine be cranked for a long time to get fuel pressure. You could also have a problem with the venting of the gas tank.

Have the engine controller scanned, if the check engine light is on the scanner will tell you why.

P0301 - Cylinder 1 Misfire Detected.

Causes:
- Improper spark plug at cylinder #1
- Insufficient compression at cylinder #1
- Incorrect fuel pressure
- The injector circuit is open or shorted at cylinder #1
- Fuel injector #1 may be faulty
- Intake air leak

Solutions:
- Perform Injector Service
- Replaced Spark Plug #1
- Replaced Injector #1
- Replaced Ignition Coil #1

P0303 - Cylinder 3 Misfire Detected.
Follow info from P0301.

P0316 - Misfire Occurred In The First 1,000 Engine Revolutions.

Causes:
- Damaged CKP sensor.
- Ignition System.
- Fuel Injectors
- Running out of fuel
- Fuel Quality
- Base engine
- Damaged Powertrain Control Module

Solutions:
Usually the P0316 is combine with a P03XX codes. The P03XX code indicates in which cylinder the misfire occurred.

Code 301 is a cylinder miss on cylinder one, and 316 is a miss detected during startup which is probably caused by code 301.If the plug is firing, you could have an injector problem on that cylinder.

P1000 is not exactly a trouble code, but rather a fact code that means the system has not been run long enough to get into a full test mode.There could be a problem with the computer, or something that is keeping the system from going into closed loop where the computer uses all data from the sensors to control the engine.For example, if the thermostat does not let the engine reach normal operating temp, or the car is driven on short trips, the system may not go into closed loop.