Question about 2000 Chevrolet Impala

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My car will not start I took it to a mechanic they said it might be the crown sensor they replaces it with a new one now they say they think its a electrical problem. What could it be?

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If it don't crank or make any noise maybe your crankshaft sensor located,right hand side from a/c pulley under is a tight space

Posted on Aug 10, 2010

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Posted on Jan 02, 2017

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My 2004 ford crown vic hesitates and wants to die on acceleration, It idles fine but when i press the throttle it dies. Now the mechanic wants to charge me for a new wire harness and computer?


Find another mechanic.. First, if the harness is bad, it is almost impossible to diagnose a bad computer. I diagnose cars. I start with power and grounds first. Then check wires for continuity. Check sensor and actuators for resistance. I get 1 hour to do this. Usually do it. Sometime the harness is bad. it requires more time. Being a ford... I would start with cleaning the maf sensor and the throttle body. Look at replacing the fuel and air filter.

Nov 12, 2016 | 2004 Ford Crown Victoria

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My 00 crown vic p71 is having tranny prblem, i need help asap


Wow, this is a broad question and I side with your mechanic on this one. I think a sensor is shot. There are a couple of sensors involved with your car's performance. They, in turn, interact with other sensors so that everything operates in unison. In others words, if this sensor, you can call it the kick-down sensor, if you want to, isn't reading the proper positional information from your throttle -- starting about 1998 Ford was using a great many electronic circuits and sensors for performance, rather than just mechanical systems -- then it isn't telling the ECU (electronic control unit or the vehicles "brain") the proper information. In turn, the ECU can't order other systems to fire or work in the proper sequence.

Given all of this, it is little wonder that your Crown Vic isn't performing well.

I would suggest having this range of sensors looked at, the Mass Air Sensor, the Idle Air Bypass Sensor, the Throttle Positioner Sensors and the like. Granted, some of these sensors (Mass Air and Idle Bypass) are more for idle and low-speed performance, but you just can't tell when one or more of them may fail and interact with other sensors in the change. I think the most likely candidate of the bunch is the Throttle Positioner. If the ECU isn't reading throttle position correctly then performance will suffer.

One other possibility -- and this is a thought -- is to have the EVP sensor checked as well, though this one is more involved with emissions than other things. Still, it could affect your Crown Vic's performance.

Feb 22, 2015 | 2000 Ford Crown Victoria

1 Answer

I incorrectly installed a throttle positioning sensor on my car and cant seem to get it right help please!


THE SENSOR ONLU GOES ON ONE WAY, NO ADJUSTMENT NEEDED. SO NOT SURE WHAT YOU DID HERE OR EVEN IF THE THROTTLE POSITIONS SENSOR IS WHAT YOU REPLACED

Sep 04, 2012 | 2003 Ford Crown Victoria

1 Answer

2001 Jeep Grand Cherokee 4.7 liter was knocking really bad. Multiple mechanics determined it required a new motor. A new "reman" ($3600) motor was installed. Car started and ran for about a...


There is a bulletin on this vehicle. Involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software (WJO1CAL15C, DNO1CAL 14D).

Sep 24, 2011 | 2001 Jeep Grand Cherokee

2 Answers

The dash warning light system displays a "wrench" symbol


Hello,

If you have the wrench light on your dash, that means you need to take your car to the dealership and have the car diagnosed. The computer is sensing that something is wrong with your car and the only way to tell is to visit your dealership and have them use a diagnostics computer to read the problem.

I hope this helps. Thanks and have a nice day.

- HotRatchet

Dec 14, 2009 | 2008 Ford Crown Victoria

1 Answer

Car won't start


buy a cheap volt meter check voltage on both sides of the starter seleniod on the fenderwell if you have 12 volts on both sides while cranking test voltage at starter if you have 12 volts at starter with fully charged battery and it doesnt start you will need a starter it also sounds like you might need an alternator once you can get it started

Dec 09, 2009 | 1984 Ford Crown Victoria

1 Answer

Over heating


did anyone suggest a waterpump?

Nov 12, 2008 | 2002 Dodge Neon

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