Question about 1992 Ford Crown Victoria

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Battery voltage needle goes up and down when my 92 crown vic idles. As if car wants to shut off.. what causes this problem?

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  • 2,002 Answers

The most likely problem here would be the alternator itself. Either the brushs are wearing out or the regulator is going bad. It wouldn't hurt to check the tension on the drive belt. If it was fairly loose that could cause the problem too. Hope this hrlps.

Posted on May 29, 2011

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1 Answer

98 crown vic charge light goes on and needle goes to full charge when excelerating?


Sounds like the voltage regulator has failed.
Check voltage at the battery with the engine at idle and again with the engine at cruise speed. Voltage should be around 13 volts at idle and 14.5 volts at cruise speed.

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1985 ford crown vic ltd 352 200k miles been running good burns NO oil.\r\ndriving at night engine shuts down. I turn lights off, wiggle turn signal switch and it starts again. Once I was making a right...


I dont see if the turn signal light has to do any thing with the engine shutting off, make sure the IAC idle air control valve is working, air filter is good, fuel filter is good and IF your vehicle has a power steering pressure switch then that could be causing it but with 1985 Crown Vic I dout it.

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2001 crown vic 4.6l maybe twice a week i go to crank the car and it sputters real bad and eventually dies. After it dies i clean the throttle body and then it runs fine. What is causing this?


I would replace the dle Air Control solenoid. I know its a guess, but its a common thing. when cranking the engine, the idle should flare high, and then slowly down to idle speed.

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1 Answer

92 crown vic - temperature guage on the dash is not working...


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The temperature gauge sending unit is located in the front section of the intake manifold, just to the right of the alternator on the 4.6L engines. Got this from autozones repair manuals


Mar 16, 2010 | 1992 Ford Crown Victoria

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Need a haynes manual for a 1992 ford crown vic they are 30 bucks new cant afford that


I have one but I need it cause I have a 92 and 97 crown vic. but whatever you need, questions answered or need to be guided through anything just hit me up. jacksonjd0406@yahoo.com

Jan 07, 2010 | Ford Crown Victoria Cars & Trucks

1 Answer

1999 FORD CROWN VIC. 4.6 - PROBLEM, NOISE


This is caused by the IAC valve. Over time the valve becomes gummy and inoperative. Get it replaced and the problem is solved. IAC stands for idle air control, hence the stalling concern.

Oct 17, 2009 | 1999 Ford Crown Victoria

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1988 Ford Crown Vic Strange Idle (Getting Worse)


i am trying to install an aftermarket temperature guage with capillary tube into my 1988 crown victoria ltd 5.0 efi. where does the capillary tube mount?

Jun 27, 2009 | 1988 Ford Crown Victoria

1 Answer

1988 Ford Crown Vic Strange Idle


When you turn the key on does the check engine light come on? If not it may be burned out. It sounds like a MAP sensor or an O2 sensor is bad. I would suggest taking it to autozone as they do free diagnostic and seeing if a code comes up. If it is a sensor it should, if not it may be the idle sensor not reading right in the ECU. More than likely it is one of the sensors though.

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1 Answer

My 4.6 idles erratically.


try the following, if that doesn't correct it u may need to replace the air bypass valve.
Here is the most common cause of surges and stalls and low idle rough idle, it is the idle speed control air-bypass valve and throttle valve (IAC for short), they get full of gunk over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

Jan 07, 2009 | 1997 Ford Crown Victoria

2 Answers

1992 crown vic 4.6l


did you check the inertia switch?? that's what happened to mine

Jul 25, 2008 | 1992 Ford Crown Victoria

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