Question about Chrysler 300M

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I have a 2001 Chrysler 300M. The check engine light came on at 85000 miles. What does this mean

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  • Louis Sasso Jun 02, 2010

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I could be anything from an oxygen sensor to a misfiring plug. Take it to Auto Zone, Advance Auto Parts or any other chain auto parts store and they will read the code and tell you what it means for free.

Posted on Jun 02, 2010


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I have a 2001 Chrysler 300m. My code reader read that all 4 o2 sensors were bad (only this would happen to me at 1 time) so I replaced all 4 sensors and erased the stored codes drove the car about 20 miles...

Hello David Sharp,

I don't think you are as persecuted as you think...
Your first impression...

"Not likely all 4 at the same time"...
I think was CORRECT.

I would put a few more miles on the car...

I suspect they will all (4) check back in because
OXYGEN SENSORS do their jobs...

They sense problems.

In the mean-time... become more familiar
with the cost and availability of your EXHAUST SYSTEM.

JUST my opinion...
(I'd take it to a muffler shop for a FREE estimate)
((but only after checking PRICES BELOW)).

2001 CHRYSLER 300M 3 5L V6 Catalytic Converter RockAuto

2001 CHRYSLER 300M 3 5L V6 Muffler RockAuto

May 22, 2017 | 2003 Chevrolet Tracker

2 Answers

2001 Chrysler 300M Engine Light on all the time

Hello, my engine light was on for a VERY LONG time and everytime I got it checked no one could tell me what the problem was because things always checked out fine. The "code" says its a loose gas cap or something, but it wasnt that. My 300M also was having A HARD TIME STARTING UP for about 8 months and leaking coolant for about a month. I finally found a mechanic who knew what he was doing; 1. Leaking Radiator 2. Coolant found in #2 or #3 cylinder. The cause of this was a busted HEAD GASKET. If your 300M has trouble starting and the Engine light stays on have a mechanic check your engine for a busted head gasket and see if all your cylinders are firing correctly. I had to pay $2600 for a new Head Gasket, Radiator and all new hoses plus labor. CRYING!!!!!!!!!!

I have a 2001 300M 130K - very well kept. Stuff happens...

May 29, 2010 | 2001 Chrysler 300M

1 Answer

2001 300M. Engine Check Light stays on. Passed Emission Tests.

Have you had it reset and it still comes on? there are 8 different systems that need to be monitered, just because it passes emissions doesnt mean you dont have a problem, have someone run the obd2 scanner on it to pull your codes, if nothing comes up , have them cleared and see if the light comes back on.

Mar 11, 2010 | 2001 Chrysler 300M

1 Answer

Temp guage in red' dummie light on engine not hot

Sounds like a faulty sensor, if the actual temp is 195/215. The ICM is processing the information it receives from the sensor and performs accordingly. A complete diagnostic scan would be helpful in determining the proper repairs needed to correct the problem.
Good luck...i hope this helps, please rate me a fixya.

Jul 17, 2009 | 2001 Chrysler 300M

3 Answers

2001 300m overheating problem.

When the vehicle overheats, do u check the water/coolant level in the radiator? If it has reduced, it means ur leaking and u should inpsect to c where the leak is coming from. If the level has remained the same, probably ports are blocked or something to that effect. Keep me posted though

Jan 28, 2009 | 2001 Chrysler 300M

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