4/15/2011

CRC 05110 Mass Air Flow Sensor Cleaner - 11 Wt Oz. Review

CRC 05110 Mass Air Flow Sensor Cleaner - 11 Wt Oz.
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I bought a 1999 monte carlo (V6, 3.1L) last year with just over 120k miles on it, it ran... pretty good... most of the time... but occasionally it would stall or bog down at times. No matter, I paid peanuts for it, it has a nice warm heater, cold A/C, dreamy ride, and loud stereo, so I was happy. You can't win them all...

Well, the most recent time it bogged down I was going uphill on the interstate and it bogged down for a bit, but this time, the engine light came on. Ah-ha! A clue! I said... I took the car up to smyth automotive and had them read the code, which was P0101 (MAF circuit, range or performance problem).

I took the car home and sure enough it was putting out maybe 15 Hz at idle, 28 Hz at 3500 rpm. (you need an oscilloscope or frequency counter to measure the output with the GM sensor, should be much higher apparently, maybe 35-80 Hz). I contemplated getting a new MAF sensor but saw this product and thought why not try it? After the cleaning, as soon as I turned the key, the engine light went out. Performance was just like a new car! I floored it, and my head was thrust into the headrest 'with gusto' ;) as the speedo approached scary numbers rather quickly.

I showed the product to my dad and we tried it on his 1999 suburban 5.7, which has had the engine light on for years (has close to 300k miles now)... a decent improvment there as well.

Bottom line is, if your car is due for a new MAF sensor you really ought to try this stuff, remember it is a delicate and precise instrument so handle accordingly! Please do not try brake cleaner, isopropanol, simplegreen, or whatever else you might read about on the internet. (you know, the "trust me, I'm an engineer" crowd). Spend the $5 and get on with it.

This is still a relatively new product and is it seems like it is just starting to hit the tuner/hotrod scene (those high-zoot "oiled filters" can have potentially disastrous results on a MAF sensor!)

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Product Description:
This is the first product specifically developed to clean mass air flow sensors.

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