1996 Mercury Grand Marquis Support Question
1996 Mercury Grand Marquis Support Question
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Question posted by somers633 on February 16th, 2014
Check Engine Light?
The check engine light came on tonight as I was driving home from work but the car seems to drive okay. What might the problem be?
Current Answers
Answer #1: Posted by TexasDeviL on February 16th, 2014 6:38 PM
TexasDeviL
Member since:
December 27th, 2012 Points: 960,825
Member since:
December 27th, 2012 Points: 960,825
Its probably an o2 sensor but it could be anything. Anytime the check engine light comes comes on, the vehicle should be taken in for diagnostics. Check your fluid levels first then take it to a trusted mechanic so they can pull the trouble code(s) and once you know whats wrong, you can then make an informed decision.
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[automotive mechanic and phone modding enthusiast]
Answer #2: Posted by BusterDoogen on February 16th, 2014 6:35 PM
BusterDoogen
Member since:
October 30th, 2011 Points: 28,565,407
Member since:
October 30th, 2011 Points: 28,565,407
The warning is a cose that helps diagnose the problem. I suggest you take to a repair shop to find the cause of the fault.
I hope this is helpful to you!
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Related Manual Pages
Owner's Manual - Page 40
.... LOCK is not running. The LOCK feature helps to protect your vehicle's warning lights (except the brake system warning light) to make sure they work before you to remove the key. The key returns to the ON position once the engine is started and remains in the ignition
ACCESSORY allows some of the key...
Owner's Manual - Page 44
...flood the engine. Slowly release the brake pedal and drive away in the normal manner. Then drive away in the normal manner. A computer system controls the engine's idle speed. These faster engine speeds will ...the fuel pump shut-off switch may have the idle speed checked.
41
When you start after a short time. If the engine does not start your foot on the brake pedal. Press the...
Owner's Manual - Page 46
... inspect your vehicle. Never sit in a stopped vehicle for more than three hours will not damage the engine, so you can plug it in at least three hours before driving your vehicle immediately. Do not drive if you start your vehicle the following morning. RWARNING To prevent electrical shock, do not use your...
Owner's Manual - Page 49
...lights before driving the vehicle.
4.
5.
6. Check under the vehicle for leaking fuel. If you can try to start your vehicle again. Check under If Your Vehicle Needs a Jump-Start.
46 Check... your vehicle. If you may have a different mechanical problem.
Turn the ignition key to the OFF position. If your engine cranks but does not start after a collision or substantial...
Owner's Manual - Page 52
...lights and gauges alert you turn the ignition key to possible problems with your vehicle. Have the brakes checked immediately.
49 The Mechanical Cluster
The following sections detail what each of the lights listed are on after the engine...the brake system should be working properly. It normally goes off shortly after you release the parking brake. This light comes on briefly when ...
Owner's Manual - Page 55
... a problem with the system, two things may happen: the readiness light will either of the system. Air Bag Readiness Light
The air bag system uses a readiness light to indicate the condition of these things happen, have the electrical system checked.
Charging System Light
This light indicates that you turn the ignition to the ON or START position (engine...
Owner's Manual - Page 56
... shift into overdrive. NOTE: If the light does not come on when the TCS is depressed or if the light flashes when you that the Transmission Control ...light stays on or comes on when the engine is running, have your vehicle serviced at the first opportunity. Overdrive Off Indicator
This light tells you are driving, have the electrical system checked as soon as possible. When the light...
Owner's Manual - Page 58
...) system consists of the hardware and software necessary to the vehicle may cause incorrect operation of the OBD II system. If an emission problem is detected, the Check Engine Warning Light (in the trunk on . If it is OFF, push the switch ON.
Modification or additions to monitor the operation of the powertrain. Turn...
Owner's Manual - Page 59
... vehicle's emission control systems. You do not need to the engine or catalytic convertor. After refueling, the Check
56 This indicates a possible problem with one (1) second intervals while you are driving, it means that the engine is misfiring. The light comes on rare occasions while you are driving, have your vehicle serviced as soon as possible. In...
Owner's Manual - Page 60
... turn signal arrow will flash to have your vehicle serviced by your dealer or a qualified technician. Engine Warning Light will turn off after the fourth engine restart, have the engine serviced. If the Check Engine Warning Light comes on and you are going to crank. Remove and replace the fuel cap, making sure it is safely possible...
Owner's Manual - Page 68
... system serviced. DO NOT REMOVE COOLANT SYSTEM FILL CAP UNTIL THE ENGINE IS COOL. Check the coolant level following conditions will take place:
u If the driver's safety belt is not buckled when
the ignition is turned to the ON position, the light will turn off. 3. If you do not follow these instructions, you...
Owner's Manual - Page 69
... normal operation. Do not install these devices by tapping into or running wires close to high beam or when you flash the lights. If an emission problem is detected, the Check Engine Warning Light (in the cluster) is designed to monitor the operation of the powertrain. Additions such as burglar alarms, cellular phones, and CB...
Owner's Manual - Page 70
... three consecutive warm up , the Check Engine Warning Light will turn off on rare occasions while you are driving, it means that a malfunction occurred and the condition corrected itself occurs when an engine running until the engine reaches normal operating temperature. This indicates a possible problem with one (1) second intervals while you are driving the vehicle, it means that...
Owner's Manual - Page 71
...not properly installed, pull off the road as soon as possible. If the Check Engine Warning Light comes on if the fuel cap is something wrong with the Air Bag Supplemental... Restraint System and your dealer or a qualified technician. Under certain conditions, the Check Engine Warning Light may not function properly in for about 6-8 seconds indicating normal air bag operation....
Owner's Manual - Page 72
... and continued operation will cause severe engine damage.
69 If this light stays on or comes on while your engine is running, this tells you that you turn your ignition key is running, you have the electrical system checked as soon as possible. Engine Oil Pressure Light
This light indicates the engine oil pressure, not the oil level...
Owner's Manual - Page 73
... Signal Indicator Lights
The turn signal arrow will flash to be turning.
70 Shut off the road as soon as safely possible, severe engine damage could be injured. Do not overfill. Contact your vehicle should be on level ground.
If the level is on checking and adding engine oil, see Adding engine oil in the...
Owner's Manual - Page 121
... speed drops more than 10 mph (16 km/h) the automatic speed control will cause the engine to overspeed. Therefore, use only properly installed FCC (CRTC in Canada) approved radio transmitting equipment...or in your vehicle has speed control, you can be done by design, be suspended. When driving uphill, especially with the transmission in order to N (Neutral) when using the speed control. This...
Owner's Manual - Page 175
..., it is depressed. If you need to the first position (OFF). RWARNING DO NOT DRIVE YOUR VEHICLE UNTIL YOU VERIFY THAT THE BRAKELAMPS ARE WORKING. Turn the engine off and remove the ignition key. Apply parking brake. This feature prevents the gearshift from being... may also not be functional. Your vehicle is in this Owner Guide for instructions on checking and replacing fuses.
172
Owner's Manual - Page 243
... occurs because this can damage the engine. If the condition persists, see your dealer or a qualified service technician.
If your vehicle sometimes knocks lightly when you drive up a hill or when you ..., which can damage the engine. In most cases it may be concerned if your vehicle has problems with starting, rough idle or hesitation problems when the engine is cold, it is ...
Owner's Manual - Page 289
... Do not park, idle, or drive your vehicle in performance and durability. Do not make any automotive repair establishment or individual using automotive parts equivalent to those which can increase the temperature of oil pressure, the charge warning light, the check engine light, or the temperature warning light. It is not working properly. If other dry ground...
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