1998 Mercury Mystique - Answered Questions & Fixed issues
What does the R1 fuse do on 98 Mystique
Don't know where you see R-1 , ford use's F-1 80 amp fuse under hood fuse box . Fuse F-4 20 amp located in the under hood fuse box supply's battery voltage to the ignition coil . The crankshaft position sensor is what triggers the coil's . The crankshaft position sensor receives is power (voltage) from the PCM - engine computer . Your best bet , take it to a qualified repair shop.
6/6/2019 6:05:20 PM •
1998 Mercury...
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Answered
on Jun 06, 2019
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65 views
My heat is not working in my mercury mystique 98 but it blows out cold air
If the coolant temp gauge is in it;s usual position when driving(at least 1/3 way up) then flush the heater core with a garden hose.Clamp off the heater hoses,remove them from the heater core and flush back and forth a few times until flow is good,reattach heater hoses and you should have heat as long as the heat/cold airflow door is in the heat position in the heater assembly under the dash.
2/19/2018 11:31:05 PM •
1998 Mercury...
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Answered
on Feb 19, 2018
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217 views
I have shorted out the
Check all of the fuses located in the black box under the hood close to the battery on top of the inner fender. All power to the car begins there. Check for large fuses 30 amp to 60 amp. Make sure the heater fan is left unplugged. When working on components under the dash always disconnect the ground cable from the battery
6/14/2017 11:43:09 PM •
1998 Mercury...
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Answered
on Jun 14, 2017
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107 views
The heater and a/c quit working on my 1998 Mercury Mystique.
Could be a fuse/relay in the electrical box under the hood. Take the lid off and flip it over. You should see a diagram of what relay control's what. If not it will be in the owners manual or search it up on google.it could be the fan/blower motor went bad or just the resistor for the fan/blower motor.
5/13/2017 3:13:27 PM •
1998 Mercury...
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Answered
on May 13, 2017
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200 views
98 Mercury Mystique. The transmission
that transmission has a computer control unit
transmission combined with the EFI system
supposed to match that unit with the transmission fitted
or diagnostic scanner to reset the modules
4/16/2017 8:58:24 AM •
1998 Mercury...
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Answered
on Apr 16, 2017
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343 views
P0300 code changed spark plugs p0302
Cylinder 2 is misfiring. Spark plug could be faulty or spark plug wire could have broke internally if you didn't replace them at the same time. Swap cylinder 1 and 2s spark plugs clear code and drive again. If Same code comes back plug is good look at wire if code p0301 come up the spark plug is no good
2/6/2017 4:39:46 AM •
1998 Mercury...
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Answered
on Feb 06, 2017
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431 views
Car has been sitting up and will not start now. It seems to not be getting gas and I do not know how to prime a fuel injection system. Any help appreciated.
There is only a few cars fitted with an ancient petrol injection system that needed any priming.
Diesel engines mostly need the injection system priming but petrol injection systems do not.
Lots of cars use a system where the fuel pump runs for a couple of seconds when the ignition is switched on and that is all the time it takes to prime the fuel system. After a couple of seconds the fuel pump switches off and waits to restart when the engine is cranked.
As priming the system takes only a couple of seconds some manufacturers don't bother with the brief priming run of the pump and just have the pump start when cranking.
Could be faulty supply, fuse, pump relay or the pump itself.
If the car is fitted with an immobiliser, perhaps that is the problem.
5/7/2016 2:21:43 PM •
1998 Mercury...
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Answered
on May 07, 2016
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187 views
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