Question about 1991 Mercury Sable

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Just need information

I need to know how many oxygen sensors are on a 1991 mercury sable with a 3.0 engine. I also would like to know where they are located.

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One it is near catalyst converter in the front under engine.

Posted on Feb 07, 2009

  • Rick Klatt Feb 07, 2009

    thanks for trying? where else is yours I own a 90 sable.roll under car and look sensor faces up kinda hard to get at.

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Definition of trouble codes 39 and 89 on 19 88 mercury sable with 3.8 engine


01 IDM PIP Circuit{3} 02 IDM{1} CP Sensor{2} 03 CID Sensor 04 CID Sensor 05 Knock Signal 06 VSS 08 VAF Signal 09 ECT Sensor 10 VAT Sensor 11 IAT Sensor 12 TP Sensor 14 BP Sensor 15 Oxygen Sensor Voltage 16 EGRT/EVP 17 Oxygen Sensor Voltage 25 FPRC Solenoid 26 CANP Solenoid 28 EVR/EGRC Solenoid 29 ERGV Solenoid 34 ISC Solenoid 41 HSIA Control Solenoid 42 Turbo Boost Control Solenoid 55 PSG TCS Sensor 56 TOT Sensor 60 SS1 61 SS2 62 SS3 63 TCCC Solenoid 64 DSS 65 TCC Solenoid 66 Line Pressure Solenoid 67 LFAN Relay 68 HFAN Relay 69 ECTF Sensor Ford 8895 1 3L 2 5L Trouble Code Info

Aug 05, 2014 | 1988 Mercury Sable

3 Answers

Problem with 2001 Mercury Sable I have a 2001 mercury sable 3.0 it has a p1151 code and seems to be using alot of gas but I dont really know from what I was told that the car has sat for a year or so what...


When you ask for help with your vehicle, I personally recommend that you mention WHICH 3.oL engine your vehicle is equipped with. I know that you probably did not know that there is two different ones. There is a 3.0L Dual Over-Head Cam (DOHC) engine (VIN Code "S"), and there is a 3.0L Over-Head Valve (OHV) engine (VIN Code "U").
Both of these engines are notorious for Mass Air Flow (MAF) sensors and vacuum leaks, however, these problems will cause problems on BOTH banks, not just one. You most likely have a "lazy" oxygen sensor. It just isn't switching like it should. The best way to diagnose this condition is to get the car on a scanner that can read sensor data and look to see what the downstream oxygen sensors are doing. If you have a lean code for the upstream sensor and you have high voltage readings (RICH or above 600 millivolts) on the downstream sensor, then the engine is not really running lean - the upstream sensor is lying and needs to be replaced.

Since you are getting a lean oxygen sensor code and it is using a lot of gas, I would say that this is most likely the case. An oxygen sensor that is lying to the computer about the system being lean will cause the computer to open the injectors wide open. Take a look at your tailpipe and see if it is really black. A normal exhaust pipe will look light tan in color. If the tail pipe is black, this is a really good indication that the system is actually running rich and the oxygen sensor is lying about it.

Sep 27, 2011 | 2001 Mercury Sable

1 Answer

On a 2000 mercury sable where is the oxygen sensor bank 1 sensor 2


sensor 2 is normally the one after the cat but which side i wouldnt know for this model ,try testing them with a volt meter for the heater as this is what goes first ,the heater uses the two wires the same colour

Nov 23, 2010 | 2000 Mercury Sable

1 Answer

Digram of firing order for spark plugs, for 1991 mercury sable


For the 1991 Mercury Sable 3.8L V6:

Firing Order:
1-4-2-5-3-6
Cylinders:
.....(back)....
|...1...2...3...|
...................
|...4...5...6...|
......(front)
Distributor:
....(back)
......6..(+)-screw
1..........3
4..........5
(+)...2
....(front)

Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at FixYa.com!

Apr 18, 2010 | 1991 Mercury Sable

2 Answers

01 mecury sable


you probably need new plugs and wires it might be short

Nov 23, 2009 | 2001 Mercury Sable

1 Answer

How do you replace the oxygen sensors on a 1995 merc sable with a 3.0 ltr motor


they just unscrew from the exhaust pipe.

Heated Oxygen Sensor (HO2S) SPECIAL SERVICE TOOL(S) REQUIRED Description Tool Number Oxygen Sensor Wrench T94P-9472-A
Removal and Installation
  1. Disconnect battery ground cable (14301). Refer to Section 14-01 .
  1. On 3.0L (4V) engine remove cowl extension and right side of leaf screen.
  1. Disconnect engine control sensor wiring (12A581) from heated oxygen sensors (HO2S) (9F472). Do not remove harness connectors from the brackets.
  1. Raise vehicle on hoist. Refer to Section 00-02 .
  1. NOTE: If excessive force is needed to remove a heated oxygen sensor, lubricate the heated oxygen sensor with penetrating oil prior to removal.

    Remove heated oxygen sensors from exhaust manifolds (9430) using Oxygen Sensor Wrench T94P-9472-A.
  1. To install, reverse Removal procedure. Apply a coating of anti-sieze compound to threads of heated oxygen sensor. Tighten heated oxygen sensors to 34-46 Nm (26-34 lb-ft).


    Heated Oxygen Sensors—3.0L (4V) Engine


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May 02, 2009 | 1995 Mercury Sable

1 Answer

2003 Sable Cutting Out & Stalling


you have 2 ox sensors on that one before the cadalitic converter and one after it!!
first i would give it a complete tune up and change the fuel filter !!!!!!

Apr 20, 2009 | 2003 Mercury Sable

1 Answer

05 mercury sable check engine po174


You has a vacuum leak on the engine.

In order to troubleshoot this, you must start with a clean engine wipe down.


The major offender parts are


air intake gasket on the manifold

air tube after the mass air flow sensor

rubber seal under idle air control IAC motor

===

Warm up the engine for 15-20 minutes (LEAVE THE engine at idle) then spray a little Barmen carburetor clear on the potential air leak location (ONE AT A TIME) and listen for a surge in rpm.

If the engine speed go higher that's mean the carburetor clean (ADDITIONAL FUEL) got into your engine and that's the gasket you need to change.

There may be multiple leaky spots so take your time and check all rubber gaskets,sensor and hose that are lead into the intake manifold.

When you finish fill up with one tank of Chervon to clean out the injectors.

Please post more information after your inspection.

Apr 12, 2009 | 2005 Mercury Sable

1 Answer

I need to change my starter on a 1991 mercury sable


Starter are one of the easier mechanical engine parts to change.

1) DISCONNECT THE BATTERY.
2) Disconnect the electrical cable running to the solenoid on the starter.
3) Remove the two bolts holding the starter in place.
4) Pull the starter out.

To install another starter, do the above steps in reverse order in reverse.

Apr 04, 2009 | 1991 Mercury Sable

1 Answer

Oxygen Sensors


ok Bank 1 is the rear bank and bank 2 is the front bank sensor 1 in each bank is the one closest to the manifold they have green connectors sensor 2 is the sensor after the cat converter and is a blue connector

Dec 01, 2008 | 2001 Mercury Sable

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