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P101 again

mtmcall

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mtmcall Enthusiast

mtmcall

Posted
Posted

Good morning,

 

2003 5.3 LTR 110,000miles - auto trans - 2WD

 

I have been fighting this issue for 2 years off and on now. I keep throwing this code and my dealer has put a new MAF on after I had replaced one previously. I let them keep my truck and within 2 days the code came back.

Any clues or ideas? I hope to get my truck back tomorrow as I am heading out hunting for a week.

 

Every time this code is thrown the fuel econ is horrible and it does not run as smooth as it should.

 

I have replaced the MAF, CTS, plugs, wires, EVAP, manifold gasket, inj O rings, fuel pump and filter.

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txab Senior Enthusiast

txab

Posted
Posted

P0101

 

What are you running for an air filter?

Checked the MAP sensor?

 

Search of this site. https://www.google.com/search?hl=en&as_q=p0101&as_epq=&as_oq=&as_eq=&as_nlo=&as_nhi=&lr=&cr=&as_qdr=all&as_sitesearch=www.gm-trucks.com&as_occt=any&safe=images&tbs=&as_filetype=&as_rights=

 

Have you looked at what a google search returns?

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