Rebuild Half bridged turbo wont start(help)
Rebuild Half bridged turbo S5
Compression is 115 rear 107 front. fuel pressure 40psi timing set correctly. Got the car started yesterday after messing around a little bit with the mixtrim(i took some fuel off)and it ran perfect(real loud bra,bra idle)i let the car idle like for a hour or so and then went for a ride around the block came back and shut her off.Today i went to the shop and tried to start her up and no good,first it backfire really loud twice(my ears still hurting)and it keeps flooding really bad,you can hear the motor when it turns and make compression but it wont start,i have no warning red light at the ecu so it should be working,when i crank i get the blinking yellow light,did a test and the ecu came back with a RPM error and the tack on the MT only when up to 680 RPMS,it sound to my like im not getting leading spark at all and that is why it wont start,any ideas? Here is my current map Idle Map Screen 1 30" ~ 1.38 25" ~ 1.48 20" ~ 1.33 15" ~ 1.71 10" ~ 1.71 05" ~ 1.62 00" ~ 2.00 2-20psi ~ 4.95 Load Map Screen 3 30" ~ 0.95 25" ~ 1.19 20" ~ 1.33 15" ~ 1.71 10" ~ 2.14 05" ~ 2.57 00" ~ 2.86 2psi ~ 2.2 4psi ~ 3.2 6psi ~ 3.8 8psi ~ 4.4 10psi ~ 4.9 14psi ~ 5.5 16psi ~ 5.9 18psi ~ 6.5 20psi ~ 7 RPMwot Map Screen 17 5000 ~ 05 5500 ~ 08 6000 ~ 08 6500 ~ 10 7000 ~ 11 7500 ~ 11 8000 ~ 11 9000 ~ 12 The rest are zero RPMcrs Screen 18 1000 ~ -12 1500 ~ -11 2000 ~ -12 THe rest are zero Pump Map Screen 19 Pump2Start ~ 2000 Pump1Amt ~ 00 Pump1Pulse ~ 04 Pump1Trig ~ 18 Pump1Stop ~ 00 Pump1Adv ~ 05 Pump2Time ~ 10 Pump2Amt ~ 30 Pump2Trig ~ 16 Pump2Stop ~ 00 Pump2Adv ~ 05 PumpDwell ~ 3.00 PumpTimers ~ No Pump1Sync ~ No PumpSpare ~ 00 PumpCold ~ 00 Water Map Screen 20 -25 ~ 0 -17 ~ 70 -9 ~ 60 -01 ~ 50 05 ~ 45 11 ~ 45 18 ~ 42 24 ~ 34 31 ~ 26 38 ~ 24 46 ~ 19 60 ~ 12 68 ~ 06 82 ~ 0 99 ~ 0 124 ~ 0 Air_t Map Screen 21 -25 ~ 0 -17 ~ 8 -9 ~ 6 -1 ~ 5 5 ~ 4 11 ~ 3 18 ~ 3 24 ~ 0 31 ~ 0 38 ~ 0 46 ~ 0 60 ~ 0 68 ~ 0 82 ~ 0 99 ~ 0 124 ~ 0 Crank Map Screen 22 -25 ~ 72 -17 ~ 72 -9 ~ 72 -1 ~ 67 5 ~ 62 11 ~ 57 18 ~ 50 24 ~ 41 31 ~ 31 38 ~ 26 46 ~ 20 60 ~ 15 68 ~ 5 82 ~ 0 99 ~ 0 124 ~ 0 t*rpm Screen 23 Idle ~ 00 1000 ~ 10 1500 ~ 15 2000 ~ 20 2500 ~ 25 3000 ~ 25 3500 ~ 25 4000 ~ 25 4500 ~ 25 5000 ~ 25 5500 ~ 25 6000 ~ 25 6500 ~ 25 7000 ~ 25 7500 ~ ?? 8000 ~ 25 9000 ~ 25 t*map Map Screen 24 Idle ~ 00 25 ~ 05 20 ~ 04 15 ~ 03 10 ~ 02 05 ~ 00 00 ~ 00 2psi ~ 00 4psi ~ 00 6psi ~ 02 8psi ~ -04 10psi ~ -06 14psi ~ -10 16psi ~ -12 18 psi ~ -16 20 psi ~ -20 t*air Screen 25 Correction value Is expressed as number of degrees you wish to advance or Retard to the Ignition curve and values Is set at zero. t*gap Screen 26 0500 ~ 15 1000 ~ 15 1500 ~ 15 2000 ~ 14 2500 ~ 12 3000 ~ 10 3500 ~ 10 4000 ~ 10 4500 ~ 10 5000 ~ 10 5500 ~ 10 6000 ~ 10 6500 ~ 10 7000 ~ 10 8000 ~ 10 t*Inj Map Screen 27 0500 ~ 120 1000 ~ 150 1500 ~ 150 2000 ~ 150 2500 ~ 150 3000 ~ 150 3500 ~ 150 4000 ~ 150 4500 ~ 180 5000 ~ 210 5500 ~ 210 6000 ~ 240 6500 ~ 240 7000 ~ 270 8000 ~ 270 9000 ~ 270 t*wat Map Screen 28 ANd the rest are zero Option Map Screen 30 Af_StE ~ 10 Dwell ~ 3.25 *set at Time Base - not at Duty Cycle* REVstg ~ 1320 MAPstg ~ 02" %stg ~ 50 |
datalog
1 Attachment(s)
here is a datalog of what is going on during cranking.
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PUT NEW SPARK PLUGS IN IT.
Put 2-300ml of oil down each rotor. It will start. |
i just order new plugs because nobody in town has them in stock,rx72c this is the map that you gave me months ago(it worked a a couple of fcs,thanks)and it started the car fine a couple of times yesterday without any oil so why i should use oil now?isnt my compression good enough,im not saying that your wrong but isnt suposed the motor to start easier after let it run for a while?im going back to the shop im gonna put some oil in and see what happens,i let you know later and thanks for the help mate,by the way did you look at my datalog?
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isnt the timing supposed to advance while during cranking?
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No.
Its not meant to advance. Put the oil and plugs. And watch it start. its a new engine. It needs to run in. |
i just change the plugs and it started right up.Thanks rx72c for the map,time to start tunning!
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bingo. Common problem:)
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