denzel05

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• Mar 25, 2012

• #1

Was leaving work this morning, truck started fine. Drove about 100 yards, it stalled and check engine light came on. Started right back up but was running rough. I was able to make it to the local auto store were they put one of those tester things on the truck, and the diagnosis was a faulty Mass air flow sensor. Does this sound right? Thanks D.

 

on to the neXt

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• Mar 25, 2012

• #2

Mine did that take it off and clean it before you buy a new one and make sure you push it in good

 

GaX-Runner

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• Mar 25, 2012

• #3

Be very careful while cleaning it so you won't damage it or you will be buying a new one. :thumbdown:

 

eltus

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• Mar 25, 2012

• #4

it does sound like a dirty MAF. just get some MAF sensor cleaner and try that hopefully is just dirty.

 

R

ROCKETCELL

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• Mar 25, 2012

• #5

My check engine light is on constantly. No engine mods. Toyota techs say all is good with motor, just live with it. Huh. I just use black electrical tape now. No light.

GaX-Runner said:

Be very careful while cleaning it so you won't damage it or you will be buying a new one. :thumbdown:

Click to expand...

 

denzel05

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• Mar 25, 2012

• #6

Ok, cleaned it, and check engine light is still on. Also noticed my exhaust smells really bad, don't know if this has anything to do with it ??

 

eltus

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• Mar 25, 2012

• #7

What does it smells like? bad eggs ? if thats the case then you might have a bad cat.
A bad MAF sensor can cause the engine to run rich witch in turn can damage the cats.

 

denzel05

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• Mar 25, 2012

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eltus said:

What does it smells like? bad eggs ? if thats the case then you might have a bad cat.
A bad MAF sensor can cause the engine to run rich witch in turn can damage the cats.

Click to expand...

Yes it smells like rotten eggs!!

 

NHXRUNNER

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• Mar 25, 2012

• #9

Get the CEL checked again. And unless you reset the light, the light will stay on. Clear the code and see if it comes back.

 

denzel05

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• Mar 25, 2012

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NHXRUNNER said:

Get the CEL checked again. And unless you reset the light, the light will stay on. Clear the code and see if it comes back.

Click to expand...

How do you reset the light???

 

NHXRUNNER

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• Mar 25, 2012

• #11

Either with a scan tool or disconnect the battery for 10 mins.

 

denzel05

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• Mar 25, 2012

• #12

ok. thanks i'll try the battery.

 

GaX-Runner

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• Mar 25, 2012

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Disconnect the battery for about 10 min and it will reset. Truck will run rough since it will have to relearn it peramiters. This usually takes a couple drive cycles ( about two 5 mile trips)

 

denzel05

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• Mar 25, 2012

• #14

Ok, got new MAF sensor, installed it, check engine light went out, exhaust smell is gone, and truck ran great. Thanks guys for the input and help, it is much appreciated!!!

 

GaX-Runner

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• Mar 26, 2012

• #15

Good to hear that you got it fixed bro! But it does suck that you had to buy a new MAF :thumbdown: