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Old 02-19-2015, 05:28 PM   #1
03Alerosil
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Delphi mass air flow

Hey,
My alero has been running funny lately so I took it into the shop at my school. Hooked it up to the verus pro snap on scan tool and took a look at the live data. Found my issue. Mass air flow sensor was reading low so car been running lean. Ordered a brand new delphi unit from rockauto for $94 with shipping. I hope that takes care of everything and makes my 3.4 feel like a 6 cylinder again.
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Old 02-19-2015, 05:43 PM   #2
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How did they hook it up, in vehicle with engine running, and with intake tubing? What per cent was it low?
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Old 02-19-2015, 06:04 PM   #3
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The snap on scan tool is bluetooth, has a witeless OBD plug that you plug in and can read everything that the computer puts out, its like HPtuners, but 3600$ more in price.
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Old 02-19-2015, 08:09 PM   #4
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Yea its got a wireless unit you plug into the Data link connector and the scan tool itself is like a tablet.

I took the readings with the engine running and the scan tool relayed what the PCM was seeing from the sensor. The engine and everything is stock so I have no mods at all. Factory original MAF sensor. I was reading 3.86 Grams/second with the engine idling at 200*F. WOT only saw readings of around 10 grams/second.
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Old 02-19-2015, 09:28 PM   #5
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Yeah we got one at my work, but the brand is "Launch", very cool device... But takes some getting used to.
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Old 02-20-2015, 09:26 PM   #6
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We got one at work too. But nothing compares to a tech2 imo.
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Old 02-20-2015, 10:06 PM   #7
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We got one at work too. But nothing compares to a tech2 imo.

How is a tech2? I have never used one
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Old 02-23-2015, 05:44 PM   #8
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Changed out my sensor. What a difference! Car hasn't ran this good since I've owned it the last 3 years. Data readings are better too

Last edited by 03Alerosil : 03-05-2015 at 07:54 AM.
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