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I I have a 2001 Jeep Cherokee xj : It Will not pass emissions test. These mod tests were all low: 11 13 31 51 52 53 61 62 all of the others were ok what does this mean?

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Code 455 is for a large leak in the evap system. The evap system vents the gas tank to the vapor canister.
Have you checked the system for leaks ?

Posted on Jan 18, 2013

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Should have codes like p0062,p0043 and such should have a obd2 connector for diagnostics then just google the numbers

Posted on Jan 18, 2013

  • Larry Jan 18, 2013

    Forgot to mention it has obdii code po455


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Posted on Jan 02, 2017

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SOURCE: 2001 jeep cherokee has a p1494 code and a p0301

0301 is cyclinder 1 miss fire,check coil pack and spark plug,plug first,1494 is the fan relay,It's in the right front of the engine compartment. Kind of behind and below the RF headlamp and in front of and below the fuse box.
Easy to replace, just unplug it and plug the new one in.
The relay is the most common cause for that code with a no fan operation condition, we see it all the time.

Posted on Jan 31, 2010

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SOURCE: Did not pass state inspection (vehicle)

First the fault codes,
U110C is No Fuel Level Bus Message
U0155 is No Cluster Bus Message.
Unfortunatly you have to be able to communicate with the instrument cluster with your scanner to diagnoise and I do not think an aftermarket scanner can do this.

Posted on Mar 02, 2010

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I have a code of p0161 on my 04 jeep cherokee,and i would like to know how many do i need to buy,and it says low voltage bank 2 sensor 2

welcome to a USA forum.
B2 S2 means bank 2, sensor 2,
sensor 2 is rear of CAT. sensor used to test the quality of the CAT
but wait, you forgot to say what engine, nor if in calif.
CALIF has there own manifolds so...........

but, wait2, your posting to a USA forum with a NONE USA CAR
we dont have 04 Cherokee here in the USA. (XERO XJ JEEPS)
but are made and sold say in Europe with other engines
so what country are you in, and what engines is in your jeep
is it gas or diesel , how many cylinders has it.
and what is the displacement.
sorry jeeps are not all the same and 10x , that , not in USA>
for SURE.

if engine is a V engine, v6 or I4 or I6 and diesels
bank 1 is that bank that has #1 cylinder.

what you have, is a variant of our LIBERTY.
we only have Liberties here. that year, kinda like yours.
but with different engines

read the wiki words, see the words"sharing little"

"XJ in Europe
European passenger version Cherokee XJ

The XJ was introduced to left-hand drive European markets in 1985, one year after its American debut. However, right-hand drive European markets only began to officially receive them (in RHD form) in 1993. Models were offered in both markets until the XJ's discontinuation in 2001, at which point it was replaced by the Jeep Cherokee (KJ) which retained the Cherokee name for sale in Europe despite sharing little mechanical heritage with its predecessor."

now this,

powered by the VM Motori 2.5 L diesel engine

and in CHINA
The four-cylinder model was named the BJ2500, signifying Beijing Jeep with the 2.5 L AMC straight-4 engine, while the six-cylinder model was named the BJ4000, signifying it had the 4.0 L AMC Straight-6 engine.

see its not a USA car./ at all.
nada. looks like yes, smells but is not.

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1 Answer

My jeep grand Cherokee 2001 4.0 has code p1291

hey year and 4.0L stated. wow
so next look it, (posted 100s of times)
WJ jeep, 2001
see emission chapter, see diagnostics, see 1291?

says intake air temp sensor reads wrong, its easy to test
first makesure its plugged in and wires not damaged>

Feb 16, 2015 | Jeep Cars & Trucks

1 Answer

My 2001 cherokee xj won't pass emissions test has po455 code and the mod $D1 tests are low 11,13,31,33,51,52,53,61,62 the other are ok. what is the problem and how do you fix it?

Code 455 is for a large leak in the evap system.
The computer vents the gas tank to the vapor canister by opening and closing valves.
Have you checked the evap system for leaks ?

Jan 18, 2013 | Cars & Trucks

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2001 grand cherokee misfires

Contact the dealer for a possible software update to cure this issue.

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have the obd codes checked, once they get checked, post the results here, and we will be able to better help you in a solution, I can assist you in defining what the codes mean, and how to repair your vehicle so that your emissions will drop below the required amounts so that you will pass the test

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1993 Grand Jeep Cherokee has fluctuating High emissions

everthing effects the reading. pedal position, rpm load engine temp. air temp. all that stuff you added was just a waste of time and money. What you should of done wa diagnosed it correctly so your not cheating an emission test. Since barley failed the first time I would of recommended a tunup if not done in 40,000 miles. I would have looked at the scanner data to see if the inputs were correct. Iwould have serviced the oil if its been awhile. If everything checked out i would of recommended a catalytic converter. But there are 3 test to determine if the cat is dead we do first. If your car was barley failing and you needed a tunup and the cat was still good the need for a tuneup could toast the cat within a couple weeks.

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2002 Grand Cherokee P0601 Error

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