Question about 1996 Mercury Mystique

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About super unleaded and unleaded fuel

Hi my car is 1996 mercury mystique and it says on the fuel geage unleaded only and the oxygen senser is not working so at least until i change the oxygen senser if i use super unleaded fuel does it ok ?is there any benefit to the engine that i use the super from the normal fuel ?
thankyou

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Hi,some manufacturers recomend either super or regular unleded ,the diference is the octane rating ,this will not afect your motor but you allways should stay with the factory recomendations......

Posted on Aug 17, 2008

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How many oxygen sensors does a 1996 mercury mystique gs


in line engines will have 2 --one before the cat converter (HO2S) and one after (O2S)
if it is v engine there will be 1 of each in the same positions for each bank
HO2S sensor have 4 wires and O2 sensors have 2 wires and cannot be confused if the ECM is to control the mixture properly

Aug 28, 2015 | Mercury Cars & Trucks

1 Answer

Can a vacuum leak cause a check engine code on oxygen sensor? Bad mix air-fuel = bad exhaust emissions?


No it can,t. If you are geting a code that leads to your oxygen sensor, It is shot end has to be replaced. They only last so long before they have to be replaced.

Oct 20, 2012 | 2000 Mercury Mystique

1 Answer

Are there other Ford vehicles that interchange transmissions with a 1996 Mercury Mystique?


Mercury Mystique is just  a rebadged version of the Ford Contour and uses the same base as the Ford Mondeo first gen.
All power trains are identical.

Sep 11, 2010 | 1996 Mercury Mystique

2 Answers

Need radio wiring diagram (color codes) for a mercury mystique


I hope helps with this...

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Good luck (remember rated this help).

Jan 12, 2010 | 1996 Mercury Mystique

2 Answers

Car loses power


This could also just be a vacuum hose or your fuel filter needs replacing.

Mar 31, 2009 | 1999 Mercury Mystique

2 Answers

1996 mercury mystique transmission problems


plugged valve body, not allowing to shift down automatically try putting trans-x in the transmission

Dec 15, 2008 | 1996 Mercury Mystique

1 Answer

Check engine is on


Yes. You can still drive the car without worrying. Your fuel mileage may decrease, and you may begin to smell a unburned fuel (sulphur) smell. Eventually, you will need to have the oxygen sensor replaced or you may cause damage to your catalytic converter.

Aug 09, 2008 | 1996 Mercury Mystique

1 Answer

1996 mercury mystique


Check for vacuum leaks.You can spray starting fluid around all parts of the intake.Observe idle as you do.If there is a leak the engine rpm will race higher.Also listen for hissing noise.Is the check engine light on?..If so what codes are stored..Good Luck!!!

Aug 04, 2008 | 1996 Mercury Mystique

1 Answer

Wheel Bearings


Hi, Front or rear???

Aug 02, 2008 | 1996 Mercury Mystique

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