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P2181 code chrysler 300 hemi c 5.7 liter v8

My chrysler temp got up to 311.it overheats fast. i put antifreeze in it yesterday and it was low today.i dont see any leaks.i replaced the radiator and thermostate about 1 mount ago

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Posted on Jan 02, 2017

SOURCE: CEL is ON. OBD code P2181. I already replaced the ECT.

P2181 is a overheating engine.  
Can be:
Bad fan themoswitch, temp sensor themostat water pump impeller fan motor or fuse on battery
check to see if fans work by turning on Air Conditioner (fans should run with A/C on). Turn A/C off, warm engine, check to see if fans come on, if they do NOT it may be thermo switch on radiator on lower left side, has 3 wire plug, takes 1-1/8" wrench/socket to remove.  This thermo switch controls fans when temp reaches 195F, if fans do not come on at engine temp 190-195F try  replace switch VW part number: 1J0-959--481-A  You can verify if the switch is bad by shorting wire 1 and 2 (fans should come on when jumpered).

Posted on Oct 26, 2008

  • 2692 Answers

SOURCE: 97 chrysler lhs overheats

Head gaskets don't cause overheating Usually they are a result of overheating. If the headgasket is bad one wil get leaking into the cylinders of coolant,which wil show up as milky oil.Like some one else stated ; have the radiator rodded out,(cleaned and fluashed).

Posted on May 09, 2009

  • 1 Answer

SOURCE: 1989 Mazda B2600i pickup overheats. Replaced

you just said it you need a new fan clutch

Posted on May 12, 2009

  • 1 Answer

SOURCE: jeep overheating with a new radiator!

I had a 1998 Dodge Ram that Overheated alot. I changed the Radiators and Thermostats a couple of times. I finally pulled the water pump and found the impellers had been eaten away by electrolysis. I am not saying this is your problem but it is worth a shot. You can check for electrolysis with a voltmeter put one probe on the negative battery terminal and the other in the coolant. You want a reading of less than 0.2 volts.

Posted on Jul 05, 2009

  • 3 Answers

SOURCE: 2004 dodge ram 4.7 liter v8 overheating after

I have a 2004 4.7 dodge ram that the coolant gauge goes to 3/4 when towing my bass boat in the afternoons on hot days,I had the water pump replaced because it was wobbling at the pulley,covered under 7/70 power train.Acouple of weeks later towing again had the same problem,the turn on the heater and all is well after 2 to 3 minutes,replaced thermostat and saved and re-used coolant dealer put in and problem still there.At this point I contacted the techs at the dealer and talked with them and we all agreed radiator.Removed the radiator and took to rad shop and had it checked,found radiator plugging up,Now as to why.The antifreeze that chrysler uses is a HOAT type antifreeze,hybrid organic acid technology,with silicates and friction modifiers,this antifreeze CANNOT BE USED WITH TAP WATER OR WELL WATER OF ANY KIND,as it states in the owners manual.Only 1 dealer in this area apparently knows this but this is not the dealer that i took it to.The silicates in this antifreeze when mixed with the wrong water type will seperate and and become heavier and then start to gel and plug the passages in the radiator.This truck only has 46,443 miles on it and mostly used just to tow the boat.Hope this helps everyone else with this problem.Will be contacting Chrysler about this and the improper repairs that are being performed at their dealerships.Lester Atkins.tatkins8@cox.net.

Posted on Sep 09, 2009

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I have a chrysler 300c, 5.7 hemi ,just replaced the water pump now it keeps shuting down. ?


Martin, have car scanned for trouble codes by a good Tech., diagnosed and estimate for repair. Water pump being changed may have nothing to do with car shutting down, unless temp. is going up to overheat condition. "I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."

Aug 01, 2016 | 2005 Chrysler Town & Country

1 Answer

I HAVE A 2006 CHRYSLER 300 2.7L WITH TROBLECODE P2181 AND P0700 WHAT'S THE PROBLEM


P2181-COOLING SYSTEM PERFORMANCE
P0700-TRANSMISSION CONTROL SYSTEM (MIL REQUEST)

Mar 05, 2014 | 2006 Chrysler 300

1 Answer

Error code p2181


something is up with your cooling system

Sep 09, 2013 | 2007 Chrysler Sebring 2.7

1 Answer

I have replaced the the Thermostat on my Chrysler 300 with the 5.7 Hemi Engine. It still over heats. Is there more than one thermostat on thi engine?


You didn't state when it overheats, if it is while driving the fault can be : belt driving water pump slipping , lower radiator hose collapsing, most common is clogged radiator. Start the engine with the radiator cap off when it is COLD and observe the flow in side. If you see really fast flow of coolant you have the bottom portion of the radiator stopped up. The only way to know is to remove the radiator and have it flow tested.
A blown head gasket or cracked head will cause steam to come out of the exhaust, water in the oil (milky). If it is running hot while idling , check fan to see if it is turning as it should when it should. Older cars have fan clutches that go bad, newer ones have temp thermostats that go bad.

Apr 30, 2017 | Chrysler 300 Cars & Trucks

1 Answer

What does Chrysler 300 check engine code P0573 mean?


Go here for an explanation:

http://engine-codes.com/p0573_chrysler.html

Feb 27, 2012 | 2005 Chrysler 300 Hemi

1 Answer

P2181 having problem with electrical cant figure this code out


that code is "cooling system performance". It may be due to a failed cooling fan, a stuck thermostat, or a bad ECT (engine coolant temperature) sensor or a bad wire from the sensor to the car's computer.

Jan 25, 2011 | 2006 Chrysler 300

2 Answers

The check engine light stays on and the dealer said I need a themmostate, however it doesn`t leak or run hot. Can this be right?


If the check engine light is On the owner would have performed a scan on his car which would have given him some error code and the code will indicate that thermostat is faulty. Is the code p2181? if it is i think the thermostat is faulty and needs to be replaced.

Jan 11, 2011 | 2005 Chrysler 300

3 Answers

2005 chrysler 300c 5.7l v8 hemi.........over heating electric fans do not come on......however when fans are checked individually they work....the two fuses and the 3 relays check ok......made check with...


The fans are turned on by the PCM, if the PCM is not telling the fans to turn on, they won't even if everything tests fine.

2005 Chrysler 300 V8-5.7L VIN H

Coolant Temperature Sensor/Switch (For Computer): Service and Repair
ENGINE COOLANT TEMP SENSOR
REMOVAL
The Engine Coolant Temperature (ECT) sensor (3) on the 5.7L engine is located under the air conditioning compressor. It is installed into a water jacket at the front of the cylinder block.
WARNING: HOT, PRESSURIZED COOLANT CAN CAUSE INJURY BY SCALDING. COOLING SYSTEM MUST BE
PARTIALLY DRAINED BEFORE REMOVING THE COOLANT TEMPERATURE SENSOR.
1. Partially drain the cooling system.
2. Remove accessory drive belt.
3. Carefully unbolt air conditioning compressor from front of engine. Do not disconnect any A/C hoses from compressor. Temporarily support
compressor to gain access to ECT sensor (3).
4. Disconnect electrical connector (2) from sensor (3).
5. Remove sensor (3) from cylinder block.
INSTALLATION
1. Apply thread sealant to sensor threads.
2. Install ECT sensor (3) to engine.
3. Tighten sensor to 11 Nm (97.3 inch lbs.) torque.
4. Connect electrical connector (2) to ECT sensor (3).
5. Fill the cooling system.

Sep 10, 2009 | 2005 Chrysler 300

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