TPS, mass airflow, mulitple engine codes.

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pottsas

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Hi. I have a 2004 Liberty and it is having some major issues. Specifically it is throwing several engine codes including TPS and mass air flow. I have already changed the TPS twice, cleaned the mas/maf, replaced several vacuum lines. It is still throwing codes that don't really help me to an answer.
It shifts late and hard and rattles pretty hard when you are stopped at a light. Sometimes it will die after you slow to turn then begin to accelerate.
Really confused what this could be. We have previously had problems with a speed censor and vacuum lines. HELP PLEASE! thank you.
 

jnaut

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Might be something not related to the sensors that is giving you those errors. Might take it somewhere and have a compression check done. Hopefully more knowledgable members will weigh in here.
 

pottsas

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we checked it again, currently we are getting p0068, p2074, p0122.
 
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