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Old Feb 17, 2007, 09:52 PM   #1
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Utec log HELP!!!!!!!

i need help on the this i did a pull on 3rd gear and i got 2 knocks and after it hit around 5100rpm the car just sound like i got 10 backfire from the exhaust i let off after that i dunno whats wrong the my afr are 11:1 HELP!!!!!!

, , , ,Load,Knock, , , Mod, Mod, , Mod, WB
RPM, MAP, MAF,TPS,Site,Count, Ign#1, Inj#1, Ign, Fuel,Boost, MAF, AFR
, psig, Hz, % , , , deg , duty , deg, % ,(OL) , Hz,
2523, -5.1, 370,100, 10, 00, +15.3, 13.1,+14.3,+30.0,ECU. , 317, 00.00
2531, -5.1, 362,100, 10, 00, +16.3, 13.0,+14.3,+29.9,ECU. , 318, 00.00
2583, -4.3, 410,100, 10, 00, +16.4, 14.0,+14.3,+29.6,ECU. , 318, 00.00
2675, -3.6, 428,100, 10, 00, +15.4, 15.4,+14.1,+29.3,ECU. , 336, 00.00
2777, -3.0, 490,100, 10, 00, +15.4, 16.8,+13.9,+28.8,ECU. , 316, 00.00
2881, -2.4, 548,100, 10, 00, +13.6, 19.0,+13.4,+28.4,ECU. , 436, 00.00
3003, -1.4, 553,100, 10, 00, +12.9, 20.8,+12.8,+26.8,ECU. , 401, 00.00
3147, -0.4, 676,100, 10, 00, +11.4, 24.4,+12.7,+25.0,ECU. , 746, 00.00
3290, +0.8, 732,100, 10, 00, +9.3, 25.8,+12.6,+22.6,ECU. , 505, 00.00
3380, +2.3, 786,100, 10, 00, +4.2, 28.3,+12.5,+24.1,ECU. , 502, 00.00
3546, +3.9, 896,100, 20, 01, +3.2, 36.7, +7.4,+25.6,ECU. , 909, 00.00
3716, +5.9, 970,100, 20, 00, +3.3, 39.3, +6.9,+26.8,ECU. , 816, 00.00
3875, +7.8,1048,100, 30, 00, +2.5, 40.8, +5.1,+26.4,ECU. , 714, 00.00
4045, +9.0,1000,100, 30, 00, +2.7, 41.6, +4.7,+25.8,ECU. , 806, 00.00
4224,+10.2,1066,100, 40, 00, +2.9, 42.3, +7.6,+25.0,ECU. , 936, 00.00
4403,+10.8,1103,100, 40, 00, +3.9, 46.6, +7.7,+24.4,ECU. , 889, 00.00
4541,+11.3,1256,100, 50, 00, +3.9, 47.8, +7.1,+23.6,ECU. , 965, 00.00
4662,+11.5,1193,100, 50, 00, +3.9, 50.1, +7.4,+21.4,ECU. , 922, 00.00
4938,+11.0,1231,100, 50, 00, +5.3, 49.5, +9.0,+19.6,ECU. , 976, 00.00
5081,+10.6,1312,100, 60, 00, +6.1, 48.9,+10.8,+18.6,ECU. , 868, 00.00
5224,+10.0,1282,100, 60, 00, +6.2, 51.8,ECU. ,+18.0,ECU. ,1012, 00.00
5192, +9.6,1101,100, 60, 00, +7.5, 43.5,+11.0,+18.0,ECU. , 720, 00.00
5299, +8.8, 244, 8, 00, 01, +20.1, 9.5,ECU. ,+18.0, LCM., 53, 00.00
4938, +2.7, 107, 0, 00, 00, +36.3, 6.1,ECU. ,+20.2,ECU. , 52, 00.00

Last edited by planetboy200; Feb 18, 2007 at 10:34 AM. Reason: add
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Old Feb 17, 2007, 09:57 PM   #2
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1-3 counts I wouldn't worry about...I assume this is on pump gas?
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Old Feb 17, 2007, 10:00 PM   #3
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yeah its on pump gas
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Old Feb 17, 2007, 10:02 PM   #4
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the thing is the car did a multi backfire like a damn machine gun at 5100rpm thats weird i had 11:1 afr
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Old Feb 17, 2007, 10:02 PM   #5
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how bad is the backfire...11.1 isn't that rich where it would typically cause very loud backfires as you call them..
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Old Feb 17, 2007, 10:03 PM   #6
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its not just a big bang its like 10 bangs really fast
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Old Feb 18, 2007, 06:41 AM   #7
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Sounds like missfire,

What boost were you running? Also what pulgs and gap?
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Old Feb 18, 2007, 09:55 AM   #8
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21 .25 gap bpr8es

Last edited by planetboy200; Feb 18, 2007 at 09:56 AM. Reason: add
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Old Feb 18, 2007, 10:05 AM   #9
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Your log looks odd, you're adding between 20-30% fuel with the Utec, but your Mod Maf column is running lower than your Load Maf column. Isn't that backwards?

Looks to me you've got a serious boost leak. Your boost is only reaching 11psi at WOT????
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Old Feb 18, 2007, 10:06 AM   #10
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no my boost reading is fine i checked all the clamps and its all tight
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Old Feb 18, 2007, 10:20 AM   #11
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What option are you logging with? It looks like "1" or "shift 1". If so, boost is the second column.

late edit, I'm assuming you're running an external map sensor, but you may not be.

Last edited by dubbleugly01; Feb 18, 2007 at 10:24 AM.
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Old Feb 18, 2007, 10:27 AM   #12
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yeah im using external map i used UTEC Control Center to log that
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Old Feb 18, 2007, 11:44 AM   #13
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Something isn't adding up then, right? If you say your boost is fine, shouldn't the external map correspond with what your gauge is reading?
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Old Feb 18, 2007, 07:04 PM   #14
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That log looks a little strange to me. Can't figure it out yet. 10 Bangs sound like an ignition cut. Have you beenn running the UTEC and this map for a while or is it new?
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Old Feb 18, 2007, 08:18 PM   #15
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its new just got new injectors and retuned it it was fine at first then it just started doing that thats why im sitting here scratching my head
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