Question about 1999 Chrysler 300M

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Chrysler 300m engine knocking after replacing plugs and wires??

I am looking at buying a 1999 Chrysler 300m the car is in immaculate shape but...the lady that owns it now says that she took it to midas because it was running a little rough. They changed the plugs and wires but they told her that engine still has a small "knocking sound to it". She wants $1900 for it...It has 100,000 miles. My question is could the cylinder still not be firing making the engine knock sound? Could it possibly be a coil pack? Is it worth buying it at that price even if I have to replace the motor in a couple of months?

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Absolutely NOT, to many unknown miles, if you are dead set on it, at least take it somewhere and have a compression test done and do this in person! you can buy that car all day long at dealer auctions from 400 to 800 dollars, a new, or used engine and the labor will be in the four figures, using professional people, the old saying is, if it sounds to good to be true then it most likely is! take your time and at this time in or world i know you will find something that will give you much more and better service, hope we helped, and good luck to u..

Posted on Mar 12, 2009

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Not if it runs bad

Posted on Mar 12, 2009

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1 Answer

What would cause a 1999 chrysler 300m not to fire


Check anything electrical..Coils (one or two could be weak) check the spark plugs and wires...also the trottle position sensor...I'm not sure if your car has one but the camshaft position sensor.

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1999 Chrysler 300m ignition wire schematic over view


300m, lets wiki that.
to see how many unstated engines it has.
v6 USA
v6 Europe?


Sig: I must ask questions first, I'm blind, and my tools can't reach, dig?

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1 Answer

1999 300M the engine is knocking. It also shuts off in mid drive


There is a Knock Sensor (1) on this engine, but is in the center of the engine UNDER the intake manifold on the block (in the valley, the valley so low). Check the values of the voltage in a Chiltons or OEM book and unplug it from the rear and test it before you remove it. (Quite a job removing the plenum, wires, Manifold and finally the knock sensor (about 75 bucks in the Midwest at a parts store). If so, you are lucky in a 3.3L you have to remove a HEAD.

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Very good chance the exspansion plug (freeze plug) at the rear of the engine has rusted through. Not maintaining the correct antifeeze solution may have allowed rust or electrolisis to occurr.

Apr 30, 2010 | 1999 Chrysler 300M

1 Answer

Where do i find the cam shaft and knock sensors for a 1999 chrysler 300m?


remove the intake manifold ,remove radiator ,remove radiator intake and outake housing, remove fan ,remove all belts: power steering, alternator and if you have a/c, remove harmonic balancer ,remove timing belt covers, remove timing belt remove intake housinng once you have remove all the above, your freaken engine will look naked, you can see the location of the knock sensor is locate in the engine valley

Feb 09, 2010 | 1999 Chrysler 300M

1 Answer

How do i change my 1999 chrysler engine oil


You have to remove the plug from oil pan and look for a container to pick up the oil and look for a tool to remove the oil filter. Thanks and good luck

Jan 09, 2010 | 1999 Chrysler 300M

1 Answer

Where is the oil pan drain plug on 1999 chrysler 300m


In the engine oil pan
Counter clockwise to remove
Hope it will help
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Dec 28, 2009 | 1999 Chrysler 300M

1 Answer

The car cranks but won't start


Ok, check the following below--

1. Check the Ignition control Module for its operational value. it may be damaged.

2. Check the coils.
3. Check the plugs and wires.
4. Check the ECM/PCM/ECU(All represent the same device that is commonly known as the engine control computer)

Check these areas thoroughly for faults. I would also advise to replace the fuel filter and fuel pump as well.

May 31, 2009 | 1999 Chrysler 300M

1 Answer

Need location of coolant sensor on 2002 chrysler 300m


near the thermostat I think, look for this part.

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Apr 22, 2009 | 1999 Chrysler 300M

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