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10-01-2010, 10:09 PM

caddyman

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Year: 2000

Model: Cherokee

Engine: 4.0

ambient

i have a 2000 cherokee sport. i recently put a new radiator in and shortly after my check engine lite came on. i ran the codes and i got 2, one for the ambient temp sensor high and one for the ambient temp low. i don,t have a thermometer in my cherokee or anything so i don,t know why that would be coming up. if anyone has any suggestions that would be great.

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10-03-2010, 10:35 AM

Cruechief

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Year: 98

Model: Cherokee

Engine: 4.0 L

you'll need the exact code numbers to find out which sensor problem you are dealing with as there is more than one temp sensor. i just had to replace the one for the ambient battery temperature..

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10-04-2010, 09:40 AM

91 limited owner

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Year: 1991

Model: Cherokee

Engine: 4.0

Quote:

Originally Posted by Cruechief

you'll need the exact code numbers to find out which sensor problem you are dealing with as there is more than one temp sensor. i just had to replace the one for the ambient battery temperature..

Never heard of such a thing. And what would it say when it is -30 degrees out.

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10-04-2010, 10:50 AM

trans_am7935

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Year: 1994

Model: Cherokee

Engine: 4.0 H.O. K&N, Borla headers, custom down pipe, magnaflow hi-flo cat, flowmaster to turn down tip

Quote:

Originally Posted by 91 limited owner

Never heard of such a thing. And what would it say when it is -30 degrees out.

it is those damn OBD II cars...no need for it. OBD I all the way!

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10-04-2010, 12:12 PM

captainwoot

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Year: 1991

Model: Cherokee

Engine: 4.o

All of the 97+ xj's are wired for the optional ambient temp sensor. It is located at the center of the jeep in front of the rad. did you pinck the harness anywhere? if the 2 wire sensor harness got pinched it would set a high(open circuit)low(shorted) code.
Good luck!