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concerns about MAF

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Old Oct 2, 2010 | 09:21 PM
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bigwill1983
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Default concerns about MAF
I installed a LS3 in my impala. she turned off fine with no problem the first time i crunk her. now that i have put her all the way together she had no fuel pressor and she wouldnt stay running. so i disconnected the MAF and she runs like a champ. so i went and bought a new MAF ancd still had the same problem with the new as well as the last one. has anybody ran into this problem before? what should i do?
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Old Oct 3, 2010 | 06:45 AM
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Maybe she needs to be crunked some more.
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Old Oct 3, 2010 | 11:22 AM
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Originally Posted by Jones'n
Maybe she needs to be crunked some more.
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Old Oct 3, 2010 | 07:24 PM
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check for error codes yet?
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Old Oct 3, 2010 | 09:31 PM
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Originally Posted by leon phelps
check for error codes yet?
no not yet. i started her up today and she fired rite up with the MAF unpluged so i decided to pluge it up and she started to sound funny like she wanted to cut off so i unpluged it and it went back to running good. im going to see if ican get a friend of mine to come by and look at it for me and run some test.
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Old Oct 8, 2010 | 08:12 PM
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Originally Posted by bigwill1983
no not yet. i started her up today and she fired rite up with the MAF unpluged so i decided to pluge it up and she started to sound funny like she wanted to cut off so i unpluged it and it went back to running good. im going to see if ican get a friend of mine to come by and look at it for me and run some test.
a friend of mine came by today and pluged up its laptop and checked the ecm and he told me that its running an open loop somewhere. when the car is turned on it should have a closed loop. he said it could be an O2. he thinking that the ecm is looking for 4 and it only 2 im running. and that the timing is going crazy. he going to look more into it. but he said that the MAF is working fine nothings wrong with it.
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