Question about 1993 Mercury Topaz

2 Answers

1993 Mercury Topaz.if you have a bad O2 sensor what will be the symptoms or signs that is not working properly?

Posted by on

2 Answers

  • Level 1:

    An expert who has achieved level 1.

    Corporal:

    An expert that has over 10 points.

    Mayor:

    An expert whose answer got voted for 2 times.

    Problem Solver:

    An expert who has answered 5 questions.

  • Contributor
  • 13 Answers

Poor fuel mileage generally, it could also serge, caused by a lean condition generated by the defective O2 sensor (unlikely),
You would usually get a check engine light and the fuel system would revert to a condition sometimes referred to as "limp home mode" which is a predetermined setting when a failure occurs.
Pull the codes and see which one it is, if it is equipped with more then one sensor.

Posted on Jan 14, 2013

  • Level 1:

    An expert who has achieved level 1.

    Corporal:

    An expert that has over 10 points.

    Problem Solver:

    An expert who has answered 5 questions.

  • Contributor
  • 17 Answers

Poor fuel mileage.

Posted on Jan 14, 2013

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

  • 1 Answer

SOURCE: 1992 mercury topaz

I had the same problem. It was the idle air control valve. It sits on top of the intake just downstream from the throttle. There's a valve rod inside that gets worn over time and starts to stick. If that's what is causing your problem, you need to replace the unit.

Posted on Feb 09, 2009

  • 1 Answer

SOURCE: o2 sensors on a 99 mercury cougar v6

I just got done replacing the O2 sensors in my 99 Cougar due to throwing a P0135 malfunction code. There's 3. Facing the engine there's one in the front coming off of the front header, which is easy to get to. Another more tricky one if between the engine and the fire wall on the rear header pipe. The third is under the vehicle behind the transmission pan on top of the exhaust. In order to replace the O2 sensor near the fire wall you will need to remove the 4 retaining bolts for the ECM module and move it out of the way. Additionally you will need to remove the 2 retaining nuts for a wiring harness that is seated below the ECM module. Pay close attention to the connectors because the front and under vehicle O2 sensors have round connectors the one near the firewall has a squared connector. I was able to replace all 3 by myself in approximately 35 minutes. If your throwing a O2 heater malfunction code it is most likely going to be the sensor near the firewall. make sure that you know someone with a code reader so the code can be cleared. If you're do for an emmissions inspection be sure to put at least 40 miles on the new O2 sensor with different types of driving (e.g. highway, coasting, decellerated turns and rapid acceleration). Gotta love project cars for your kids!!

Posted on Apr 04, 2009

  • 74 Answers

SOURCE: a free downloadable service manual or repair

you don't need the manual just follow the exhaust manifold down pipe until you see a lug sticking off it with 1,2,3 or 4 wires coming out of the end, this is your o2 sensor then there could be another one behind the catalytic converter this is the second one and may not be there on your car. hope this has been of help. Regards John

Posted on May 15, 2009

  • 240 Answers

SOURCE: Where is the fuel pump relay located on a 1992 Mercury topaz

the fuel pump relay is located on the left shock tower in the engine compartment in a black box 6x4x1 inches. there are other relays inside the same box which is actually called the ccrm or constant contorl relay module, there should be a double connector with 20 to 26 wires in it, hard to miss.

Posted on Jun 15, 2009

  • 1 Answer

SOURCE: Mercury Topaz serpentine belt diagram

I have a 93 topaz, the diagram label is under
the hood itself.

Posted on Jul 29, 2009

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

Symptoms of a bad fuel filter


bad performance at rpm's and load -speed - misfiring at idle -engine dying on acceleration.-poor acceleration

Apr 23, 2014 | 1993 Mercury Topaz

1 Answer

Symptoms of a bad fuel pump


stall --no start no gas to motor

Apr 23, 2014 | 1993 Mercury Topaz

1 Answer

O2 sensor


The O2 sensor is usually screwed into the exhaust manifold on a 1 sensor system.It has to be close to the engine so it will light off and give a reading soon after startup.One sensor systems usually have a one wire type sensor,the wire is a special high temperature jacketed type.

Sep 07, 2012 | 1989 Mercury Topaz

1 Answer

Can I use my didgital multimeter to test my check engine light on a 93 mercury topaz?


I dont beleive you can BUT you can check the sensors(O2,map,knock,tps etc) that are setting off the check engine light with your multimeter.You have to find the manufacturers output specs on each sensor(which unfurtunately I dont have).You put your ground lead to ground and your positive lead to the voltage wire on each sensor (with multimeter on voltage setting) If you take the car to AutoZone or Pepboys they'll scan the check engine code to ID the sensor for FREE

Nov 03, 2009 | 1993 Mercury Topaz

1 Answer

My 1993 mercury topaz has a bad miss and I change the fuel pump, and the fuel filter and the injectors but there is still a miss


So ,you know for sure ,because you tested all these parts ,that they all failed at,once???

Oct 01, 2009 | 1993 Mercury Topaz

1 Answer

1990 MERCURY TOPAZ


sounds like your egr valve is stuck open. check for false vacuum signal to egr valve holding it open or for a plain old bad stuck open EGR valve.

Jun 07, 2009 | 1990 Mercury Topaz

1 Answer

Need diagram for 1993 mercury topaz fuse box


Get the Haynes manual - Ford Tempo & Mercury Topaz 1984 thru 1993.

That is what I had to do .

http://www.haynes.com/products/sfID1/3/sfID2/5/sfID3/38/productID/171

Apr 06, 2009 | 1993 Mercury Topaz

Not finding what you are looking for?
1993 Mercury Topaz Logo

127 people viewed this question

Ask a Question

Usually answered in minutes!

Top Mercury Experts

yadayada
yadayada

Level 3 Expert

75807 Answers

fordexpert

Level 3 Expert

5495 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22133 Answers

Are you a Mercury Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...