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Grand Marquis

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Question
I hit a curb going about 20-30 mph while turning and got a flat tire. While getting ready to change the flat and put a doughnut on
Hi There, It may be difficult to tell what the light colored fluid could be as there are a number of fluids in the vehicle that serve various purposes. It may be likely that the light colored fluid may be...
Question
Wheres the 89 grand marquis fuse box location?
There is a fuse box below and to the left side of the steering column. That fuse box is covered by an access door that is part of the dash. In addition, there is a fuse box in the engine...
Question
Blinker bulb lights but doesn't blink
Hi There, What you are describing sounds like a bad turn signal flasher. The flasher unit is an electrical unit that is usually located under the hood and is wired with the turn signal lights. This flasher sends short intermittent...
Question
Temperature gauge​ reads a little lower on highway
Hi There, It sounds like you may have a faulty thermostat. The thermostat regulates the flow of the coolant in your car's engine and controls when the coolant flows in and out of the motor from the radiator by opening...
Question
Can i take ecm in to get tested
Hi there. The ECM would need to be tested by a Mercury / Ford dealership; so I would call your local dealer first to see if they can scan the ECM itself or if they need to have it in...
Question
Check engine light is on. I took it to AutoZone and told me it is the code P0401. Is it safe to drive until next week?
Hi There, Code P0401 relates to the EGR valve flow. When this code is triggered, the computer has detected that the flow is insufficient. Driving the car until next week will not cause any harm, although the vehicle may not...
Question
Car shuts of only in drive, at a red light.
This may be a sign of a faulty MAP sensor as the vehicle responds adversely to a load put on the motor (i.e. putting it in gear, making turns (which makes use of the power steering pressure switch) turning on...
Question
I have a 2003 Grand Marquis and I have jerking and hesitation around 30 to 40 miles per hour
The first thing I would check for is vacuum leaks. Any air that gets into the engine without being measured by the Mass Air Flow meter can lean out the mixture and cause drivability problems. Check all the hoses and...
Question
My car runs and drives but won’t make sharp turns like I can only turn half way before I can’t turn anymore
Hello Almighty T. If you know that the suspension is out of alignment, then I would suspect that your root issue is that some suspension component is either bent, broken or loose. It's also possible that the steering rack is...
Question
My check engine light came on and it had code p1151. What could cause that code?
Trouble code P1151 sets if the air/fuel ratio is out of range lean. Vacuum leaks in the intake are a typical cause but if the fault is not found there, there are actually quite a few potential trouble spots including:...
Question
My 97 grand marquis start but after accelerating and I let go the car will turn off or it will idle what do.you think the resaon?
Stalling in the circumstance that you are describing could be due to a faulty mass airflow sensor, faulty camshaft or crankshaft position sensors, worn spark plugs, wires or defective ignition coil(s), inadequate fuel delivery or pressure (clogged fuel filter, injectors,...
Question
Oxygen sensor bank 1 sensor 1
Hi there. Getting to the O2 sensors are tricky without removing some additional components or using specialty tools. You might want to have a professional mobile mechanic come to your location and complete an O2 sensor replacement to help you....
Question
Put new battery in my car
Hi Tiffany. Thanks for writing in to YourMechanic.com today. Corrosion is caused by oxidation, and battery acid leaking - which occurs overtime. It can create a faulty ground or power connection and cause several of the symptoms you are describing....
Question
Theft light is not blinking in 99 Mercury Marquis car won't start fuel pump and crank shaft has been replaced also have a new batt
No cranking means no starter motor operation. If the problem is simply no starter motor operation the fault is typically quite limited. With a fully charged battery that passes a load test, and the immobilizer (security) system off - check...
Question
Blower motor works on low speed only. only replace blower motor resistor.
It sounds like this may be a sign of a faulty blower motor or bad wiring between the motor and the resistor. As you might know, these have electric motors in them that wear out over time and will begin...
Question
I noticed my starter sounds like it's having trouble catching the engine. is it the starter or just the solenoid?
Hi Karla. Thanks for contacting us tonight. If the starter solenoid has been changed before the actual starter has been, it's likely that the starter is what's causing the gear to have issues connecting to the flywheel. However, before you...
Question
The part of my frame where the sway bar attaches rusted off and is now hanging freely.
If you drive locally at low speeds, and the car is controllable, it is probably OK to use on a short term basis. I'd be reluctant to more specifically state that it is "safe to drive" though for two reasons:...
Question
Inner tie rod torque spec?? 2007 mercury grand marquis
The inner tie rod is torqued to 74 ft lbs and the outer is torqued to 59 ft lbs.
Question
Can i bypass the a/con a 94grand marquis ls with a shorter belt
Hi Tim. While the bypass you are inquiring about is possible, it's not recommended. Since we only offer OEM repairs and maintenance tips, we're unable to provide you with instructions on how to complete this.
Question
Battery dying but immediately recharging.
It is possible that at some point a larger fuse than what the Vehicle Manufacturer recommends was installed in the charging system portion of the fuse box. I would recommend making sure all fuses related to the battery and alternator...

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