Question about 2003 Jeep Liberty

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My Jeep 2003 Sport, heater only works on #2 &

My 2003 Liberty Jeep, heater only works on #2 & 4. What do you think is the problem? Also, my mode on the radio does not show CD???

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You heater only works on speeds #2 & 4 because the blower motor resistor pack is defective. Replace it.

Posted on Jan 02, 2010

Testimonial: "Replaced the resistor, it works great. Thanks for you help."

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Where is the position of radiator fan relay on jeep liberty 2006


no idea to be honest earlier jeeps had then at the front of the wing down below as i remember ?? newer one would i imagine be in the electrical box under the bonnet near the battery

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Heater only blows hot air intermittently.


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Nov 01, 2015 | 2005 Jeep Liberty Sport

1 Answer

P0161 CODE ON JEEP LIBERTY 2003


Posted by Anonymous on Jan 25, 2013
why post to 2013? ELIAS? why not start your own post.
and not mix, engine sensors with HVAC blower heaters. hark.
the OP never once stated cars drive line.
and matters 100%
my guess is a jeep liberty with 3.7L and 2.4L 4 banger.
the answers vary by engines.
so if 161, is set the heater in bank 2 is bad, rear OXY sensor.
O2 Sensor Heater Circuit (Bank 2 Sensor 2)
the pcm measures the heater current flow
when it reads zero the sensor is bad or the wire is cut.(or rusty)

guess 2, is that late poster thinks
P0161 codes are HVAC codes
no it is not.
P0 codes are USA federal base codes.
and are for smog not dash HVAC heaters.
nice guess but dead wrong.

in most cases the 02 sensors is just bad.
the heater inside it just burns open.
all do that , every one... not one lasts
the life of engine, ever.

here ill read it to you, the SM. for 3.7L V6
gas engine, USA book and car....

Trouble Code: P0161 (3.7L V6 VIN K Auto)
O2 (B2 S2) Slow Response

Number of Trips to Set Code: 1

CCM Details

Trouble Code Conditions:
ECT Sensor less than 147?F and BTS signal within 27?F of the ECT Sensor (cold engine), engine started, system voltage over 10.5v, engine running at idle speed for over 12 seconds, and the PCM detected the O2 signal was more than 3.0v for 30-90 seconds.

Possible Causes:

ASD relay output (power) circuit to the heater is open

O2 heater ground circuit is open or O2 signal circuit open

O2 heater element has high resistance, is open or shorted

PCM has failed

Jan 25, 2013 | 2003 Jeep Liberty

1 Answer

2003 Jeep Liberty sport, The airconditioning works sometimes


Have you had the freon level checked. It might be low.

Jun 05, 2010 | 2003 Jeep Liberty

1 Answer

03 Jeep Liberty Sport sunroof wont close.


03 Jeep Liberty sunroof wont close. I have 4 sunroof buttons; Open, Close, Vent and ASC. Open and Vent buttons are working fine. Close button is not responding. ASC button is flashing red and green but does nothing when pushed. I have no way to get it closed

May 08, 2010 | 2003 Jeep Liberty

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Oil light comes on at idle, goes off when driving, oil level full


change oil pressure switch it' should be near the oil filter

Dec 25, 2009 | 2002 Jeep Liberty

2 Answers

2003 Jeep Liberty heater fan problem


It is the blower motor resistor. Look under the passanger side dash and locate the fan housing (looks round and black in color. Then locate the resistor it will be in that housing usually withtwo ten millimeter nuts or two simple screws holding it in. unplug the harness to the resistor and remove the resistor. Part store price is approx. 50.00. Note: on aftermarket (not Jeep) resistor sometimes you have to modify the housing a little to get it in. Hope this helps.

Feb 01, 2009 | 2003 Jeep Liberty

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