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I have replaced my MAF sensor 2 times now and it still keeps…

Customer Question
I have replaced my...

I have replaced my MAF sensor 2 times now and it still keeps throwing the P0101 code

Mechanic's Assistant: Does the engine stall right after starting? And what about hesitation or jerking during acceleration?

No neither

Mechanic's Assistant: What is the model/year of your Toyota?

2012

Mechanic's Assistant: Are you fixing your vehicle yourself? What have you tried so far?

It thew the code after service a few months ago and the service manager said just replace the MAF which I did. The check engine light came on within 100miles. I let it go and just replaced it again yesterday and same thing within 100miles.

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

Thats all its annoying. thank you

Submitted: 4 months ago.Category: Toyota
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Answered in 8 minutes by:
3/20/2018
Toyota Mechanic: david craig, Auto Mechanic replied 4 months ago
david craig
david craig, Auto Mechanic
Category: Toyota
Satisfied Customers: 5,995
Experience: owner/mechanic at 3D Automotive
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Hi my name is ***** ***** I'll be more than happy to assist you. Please allow me a few minutes to review your information. Thank you

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Toyota Mechanic: david craig, Auto Mechanic replied 4 months ago

This is not a component problem. it is a wiring problem. do you have a voltmeter?

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Customer reply replied 4 months ago
I do but just looked and its 45 min away on my boat
Toyota Mechanic: david craig, Auto Mechanic replied 4 months ago

ok, well when you can get one we need to check power, ground and signal

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Customer reply replied 4 months ago
Ok. Pretty annoyed as it started right after 100k mi service at the dealer.
Toyota Mechanic: david craig, Auto Mechanic replied 4 months ago

not that uncommon after a dealer visit.

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Toyota Mechanic: david craig, Auto Mechanic replied 4 months ago

you wonder if they just dont know what they are doing anymore

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Customer reply replied 4 months ago
Anything else to do until I can get my volt meter?
Toyota Mechanic: david craig, Auto Mechanic replied 4 months ago

no sir. not with that code

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Toyota Mechanic: david craig, Auto Mechanic replied 4 months ago

what model toyota?

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Customer reply replied 4 months ago
2012 Tundra 5.7L crew cab
Toyota Mechanic: david craig, Auto Mechanic replied 4 months ago

ok, let me check that code

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Toyota Mechanic: david craig, Auto Mechanic replied 4 months ago

with the engine running, remove the oil filler cap and tell me if you feel suction

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Customer reply replied 4 months ago
Really hard to tell as the fan is blowing right on that area. Doesn’t appear to be much of any though
Toyota Mechanic: david craig, Auto Mechanic replied 4 months ago

ok.

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Toyota Mechanic: david craig, Auto Mechanic replied 4 months ago

remove the egr valve and clean it out form all the carbon deposits. use brake cleaner a small brush and a rag

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Customer reply replied 4 months ago
Should there be suction? I put a piece of paper over it but fan is blowing too hard
Toyota Mechanic: david craig, Auto Mechanic replied 4 months ago

no there should not. very very little if any

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Toyota Mechanic: david craig, Auto Mechanic replied 4 months ago

hows it going?

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Customer reply replied 4 months ago
Been on a business trip. Will try to trouble shoot it Saturday. Pretty sure either an air leak or like you said try the egr valve. Need to figure out where that is. I know common rail marine diesels well but I don’t know crap about modern gasoline car engines.
Toyota Mechanic: david craig, Auto Mechanic replied 4 months ago

ok, well Ill be here so just let me know when you can continue

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Toyota Mechanic: david craig, Auto Mechanic replied 4 months ago

hows it going?

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