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cleaning mass air flow sensor

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Old Jan 9, 2007 | 09:48 PM
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Default cleaning mass air flow sensor

I want to clean my mass air flow sensor. What should i use? Any suggestions would be great.
Thanks
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Old Jan 9, 2007 | 09:50 PM
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RadioShack electrical contact cleaner works real nice.
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Old Jan 9, 2007 | 10:04 PM
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There is also some spray from the auto parts store made just for MAF's. Saw it on an episode of "Speed Week" when they were adding an STS twin turbo kit to a C5
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Old Jan 9, 2007 | 10:13 PM
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I have used rubbing alcohol and a q-tip in the past. Be very gentle though.
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Old Jan 9, 2007 | 11:54 PM
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Originally Posted by Vassili
There is also some spray from the auto parts store made just for MAF's. Saw it on an episode of "Speed Week" when they were adding an STS twin turbo kit to a C5
It's CRC Air-Intake Cleaner. Does an excellent job of cleaning off the gunk and won't leave residue on the MAF wires that can affect performance. Also excellent for cleaning the throttle body. I get it at NAPA.
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Old Jan 10, 2007 | 12:49 AM
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brake clean works just fine.
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Old Jan 10, 2007 | 09:50 AM
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Originally Posted by rhneff
It's CRC Air-Intake Cleaner. Does an excellent job of cleaning off the gunk and won't leave residue on the MAF wires that can affect performance. Also excellent for cleaning the throttle body. I get it at NAPA.
Yep, that's the stuff I use.
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Old Jan 10, 2007 | 10:41 AM
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Am I correct in assuming that you can just spray it into the inlet vs taking it apart.
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Old Jan 10, 2007 | 10:47 AM
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Originally Posted by RDVT4ME
Am I correct in assuming that you can just spray it into the inlet vs taking it apart.

I've always removed the MAF and gotten a direct spray on the wires. Lots of people have problems with their MAF after re-oiling their K&N filters. It's just excess oil and you just have to clean it off rather than buying a new one.
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Old Jan 10, 2007 | 11:44 AM
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any aerosol quick drying non residue solvent based cleaner ...
Throttle body cleaner, intake cleaner, brake clean, contact cleaner will all work
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Old Jan 10, 2007 | 05:06 PM
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brake cleaner, carb cleaneretc... are all to harsh, this is the stuff you want: CRC -- Mass Air Flow Sensor Cleaner
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Old Jan 10, 2007 | 05:36 PM
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Originally Posted by Jeffs FRC
I have used rubbing alcohol and a q-tip in the past. Be very gentle though.
Same here.
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Old Jan 10, 2007 | 05:49 PM
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From the label on the can...Proven to gain 4-10 horsepower at the wheels...

Originally Posted by StephenT
brake cleaner, carb cleaneretc... are all to harsh, this is the stuff you want: CRC -- Mass Air Flow Sensor Cleaner

Last edited by hotwheels57; Jan 10, 2007 at 05:51 PM.
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Old Jan 10, 2007 | 06:03 PM
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Originally Posted by hotwheels57
From the label on the can...Proven to gain 4-10 horsepower at the wheels...
Maybe they should have put "regain" 4-10 horsepower........,etc (assuming a really filthy MAF, etc is causing a loss of hp in the first place) Ya think?
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Old Jan 10, 2007 | 06:06 PM
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Otherwise, everyone would be doing this daily until they reach their goal of 500hp.
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Old Jan 10, 2007 | 06:09 PM
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You may want to do a search on MAF cleaners. There has been previous posts and discussions. One needs to be very careful what you use to clean them. Read the labels on many of the intake cleaners and it warns against using them on the MAF's.

Use the right tool for the right job.
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Old Jan 10, 2007 | 09:42 PM
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I have seen mechanics just use carburetor cleaner, but I have also read in the service manual that you should not use cleaners that have MEK (methyl ethyl ketone) on the throttle bodies. I noticed the cans of B-12 carburetor cleaner I have do contain MEK.

I have seen CRC throttle body cleaner, but I have not found a parts store that sells the MAF sensor cleaner. It would be interesting to see what the label shows the main solvent to be on the special MAF cleaner.
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Old Jan 10, 2007 | 11:22 PM
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Originally Posted by StephenT
brake cleaner, carb cleaneretc... are all to harsh, this is the stuff you want: CRC -- Mass Air Flow Sensor Cleaner
Yep, this is the stuff!
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Old Jan 11, 2007 | 12:41 AM
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Originally Posted by LoneStarFRC
Same here.
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Old Jan 11, 2007 | 08:51 AM
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thanks guys for the input. It helped
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