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Old 05-08-2014, 10:40 AM   #1
BGKySS
 
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MAF shopping

So after two plus years of driving my car I finally checked and I have a weak MAF.
So I thought for a quick fix while I have everything apart ( painting CAI) I would just pick up one from one of the many parts stores down the road. There are of course the AC delco parts that I know will be good, but I can get one of the remainufactured ones for like $40. So I would save around $50.

Thoughts on if it does have the right numbers using it?
Also does the signs of the strong/weak go across all of the manufactures as autozone alone has 6-7 different brands from $40 (reman) to $120+
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Old 05-08-2014, 11:02 AM   #2
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Personally I would stick with a Genuine GM MAF sensor. Check out Apex and you'll have it before you know it. I think they're like $89.00.
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Old 05-08-2014, 11:20 AM   #3
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yea I would always stick with OEM MAF... save a bunch of headaches

how do you know your MAF is "weak"? did you try cleaning it??
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Old 05-08-2014, 11:22 AM   #4
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Quote:
Originally Posted by maddoggyusa View Post
yea I would always stick with OEM MAF... save a bunch of headaches

how do you know your MAF is "weak"? did you try cleaning it??
2010's have weak MAF'S the minute you add CAI to the car, it's going to act funny. It can't compensate for the increased airflow, so it starts to act weird. There is a thread about it on the forums.
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Old 05-08-2014, 11:24 AM   #5
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That weak MAF only applied to Vararam intakes, you may just be wasting your money.
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Old 05-08-2014, 11:27 AM   #6
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I ordered mine from rock auto.. cheapest, quick shipping, 5% discount code if you know where to look
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Old 05-08-2014, 11:52 AM   #7
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Quote:
Originally Posted by maddoggyusa View Post
yea I would always stick with OEM MAF... save a bunch of headaches

how do you know your MAF is "weak"? did you try cleaning it??

"Weak" vs "Strong" Camaro SS MAF Sensors


Quote:
Originally Posted by SlingShot View Post
That weak MAF only applied to Vararam intakes, you may just be wasting your money.
That is incorrect. Vararam was the first to figure it out but it is just an issue of airflow. Many times adding just a ported throttle body can set them off.
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Old 05-08-2014, 12:23 PM   #8
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Originally Posted by Apex Chase View Post
"Weak" vs "Strong" Camaro SS MAF Sensors



That is incorrect. Vararam was the first to figure it out but it is just an issue of airflow. Many times adding just a ported throttle body can set them off.

interesting. but aren't MAF's reporting a voltage back to the ECM? why are you talking MHZ? MHZ should be the data recording speed of the sensor... not the output.

the slowest speed you have there is 1560 Hz... which is 1/1560 cycles per second = 0.0006 cycle/sec... which is 0.6 milliseconds. The ECM data I've seen is logging data every 1ms... anything faster wouldn't make a difference.

there is probably an issue with the "weak" sensor having a slower response time back to the ECM that is causing the problem... but I don't understand how the MHZ speeds you've listed explain the issue... as all those speeds are less than 1 ms. sounds to me more like a design issue with the "weak" MAF that simply doesn't respond as fast compared to the "strong" MAF. if so, this would be more related to throttle response issues... at a set throttle position I'd think the "weak" MAF would be fine.
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Old 05-08-2014, 02:50 PM   #9
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OP - Your MAF is probably the single most important and influential sensor on your vehicle, knowing that I would stick with new and OEM. That's just my personal opinion.

Quote:
Originally Posted by maddoggyusa View Post
yea I would always stick with OEM MAF... save a bunch of headaches

how do you know your MAF is "weak"? did you try cleaning it??
There is a series of #'s and or letters on the MAF which he checked and would tell you if its the "strong" or "weak".

Quote:
Originally Posted by SlingShot View Post
That weak MAF only applied to Vararam intakes, you may just be wasting your money.
That is not 100% accurate, there has been multiple weak MAF's with our intake as well that have been tested, replaced, and corrected the issue.
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Old 05-08-2014, 03:15 PM   #10
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Quote:
Originally Posted by Dfault View Post
2010's have weak MAF'S the minute you add CAI to the car, it's going to act funny. It can't compensate for the increased airflow, so it starts to act weird. There is a thread about it on the forums.
Not all of them. Mine is a early 10 model and it's got the two digit MAF.

It also doesn't affect EVERYONE. There have been LOTS of people run CAI's, TB's, and UDP, with a supposed weak MAF and have had zero issues. If you're having a issue, it COULD be one of the culprits.
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Old 05-08-2014, 03:28 PM   #11
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GM PART # 15865791 ,Apex has them and they will sell you a strong one . GM performance also has them ,but I do not know if they will deliver a strong one every time . Buy it from Apex and you will be sure to get a strong one .
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Old 05-08-2014, 04:25 PM   #12
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Quote:
Originally Posted by GONIF View Post
GM PART # 15865791 ,Apex has them and they will sell you a strong one . GM performance also has them ,but I do not know if they will deliver a strong one every time . Buy it from Apex and you will be sure to get a strong one .
+1, it's a gamble if you buy one from GM. Buy from Apex, and know what you're getting.
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Old 05-08-2014, 05:14 PM   #13
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We stock the strong sensors as well. The weak sensors usually work fine until the vehicle is modified and then start acting up.

Best regards,

Tyler
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Old 05-09-2014, 07:14 AM   #14
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Quote:
Originally Posted by JM20 View Post
Personally I would stick with a Genuine GM MAF sensor. Check out Apex and you'll have it before you know it. I think they're like $89.00.
Quote:
Originally Posted by GONIF View Post
GM PART # 15865791 ,Apex has them and they will sell you a strong one . GM performance also has them ,but I do not know if they will deliver a strong one every time . Buy it from Apex and you will be sure to get a strong one .
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Originally Posted by RacnJsn95 View Post
+1, it's a gamble if you buy one from GM. Buy from Apex, and know what you're getting.
Thanks guys.
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