Question about 1990 Cadillac SeVille

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I NEED TO REPLACE THE HALAFIX SENSOR ON MY CAR & DONT KNOW HOW TO DO IT ?

SUPPOSEDLY I NEED TO REPLACE MY HALAFIX SENSOR IN MY 1990 CADILAC SEVILLE. HOW DO I DO IT & HOW HARD IS IT TO DO ?

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The HallEffect switch is inside the distributor. Not easy for some to do

Posted on May 30, 2009

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2 Answers

How do you know whens the cadilac converter is Bad/


loss of power and some times overheating

Nov 18, 2014 | 2003 Ford Expedition

1 Answer

1990 CADILAC BATTERY PROBLEMS


have a load test done on the battery to check for bad cell. Have the alternator bench tested for diode and out put . Remove the earth wire and place an amp meter in the circuit to check what current is being drawn to indicate if bulbs or shorts.. Check that the boot light is turning off , glove box light is off, map reading light is off. interior light is off.

Jun 08, 2014 | 1990 Cadillac Deville

1 Answer

Master cylinder has gone bad on my 1990 cadilac eldorado


Only got 2 nuts in plain site holding it on
& 2 brake tubes

If you need to ask you shouldn't be doing it

How would you bleed the system

How do you know it is bad

I never replaced one in 50 years

Mar 15, 2013 | Cars & Trucks

1 Answer

HAVE A 1999 CADILAC CONCORS CAR WONT TES FOR OBM.INSTALLED A NEW BATTERY AND CAR MUST RESET. i DONT KNOW HOW ?


you need to drive it about a week of normal driving or two days of driving as close to 50mph for 10 miles straight

Sep 28, 2012 | Cars & Trucks

1 Answer

I had to have cadilac converter taken off car, I have a code that says Map Sensor and 02 sensor..is this due to the converter missing now? and does that affect the performance of the car in anyway?


The codes your car are throwing up and important codes to get fixed. The O2 sensor code is there because the cadilac converter was removed. The O2 sensor measure the amount of oxygen present in the exhaust both before the cadilac converter and after. When the measurments are the same the computer knows the cadilac converter is not working properly and it turns on the Check Engine Light. This code in itself will not effect the performance of the vehicle in any way OTHER then emissions. This is bad for the environment and if you live in a place that requires emission testing you will fail and eventually your resignation will be revoked making it illegal to drive that vehicle. It is illegal for a shop to remove the cadilac converter without replacing it so I recommend you avoid that shop in the future. There is a $10,000 fine if they are caught **** this.

The code for the MAP (Manifold Absolute Pressure) is completely unrelated but this code WILL effect the fueling and thus performance (both power and fuel economy) of the vehicle. The computer uses this sensor to get an idea of how much vacuum or suction the engine is using to pull fresh air into the combustion changer and then decided how much fuel to add. Its important that the proper amount of fuel be added to keep your engine running well. I highly recommend either doing some testing yourself or have a shop address this issue. MAP sensor are quite cheap and easy to replace. If you are not good with a multimeter then I would just replace the MAP sensor and see if it goes away. If you feel up to it you can check the resistance and continuity of the wires connecting the MAP sensor to the PCM. If you would like I can provide you with step by step instructions and wiring diagrams as well as pin out so you can test this. Good luck and thank you.

~Kyle~

Aug 16, 2012 | 1999 Pontiac Grand Am

2 Answers

Where do you put air in for level ride for suspension


You dont. It has an air compressor underneath the car located above the right rear wheel that is suppose to do it for you. Your rear air bags leak down and your compressor has failed from trying to air them up too often if you having to add air.

Jul 14, 2011 | Cadillac DeVille Cars & Trucks

1 Answer

My 1990 cadilac elderodo has no power will not accelerate, it has a 4.5 litter engine


CHeck fuel pump pressure. It should have a code stored on you information center. Did this happen all at once ? Check vac hose to map sensor.

Apr 27, 2011 | 1990 Cadillac Eldorado

1 Answer

Cant open the glove compartment on 1990 cadilac seville


i know this sounds strange, but does the glove box have a lock on it? Like a keyhole of a door lock. If so, one of your keys should open it.

Apr 02, 2010 | 1990 Cadillac SeVille

1 Answer

Need diagram of serpantine belt for 1990 cadilac coupe de ville


My sincere apologies for the delayed response.
I am personally going back to answer your unanswered questions.

I do not know if you still need this information, but I am going ahead and answering it anyway. You may want to Print the Diagrams for future use.

CLICK
on the following LINK. It has the Belt Diagrams you will need.
If you would: Before Clicking: Let me know if this helped you, or if you have any additional information or questions. Feel Free to contact me at FixYa.com!
Again my apologies...
http://www.2carpros.com/car_repair_information/year/1990/make/cadillac/model/deville/1990_cadillac_deville_drive_belt_routing_diagram.htm

Nov 09, 2009 | 1990 Cadillac Deville

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