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| Slow return to idle https://ukbeg.com/forum/viewtopic.php?f=8&t=11490 |
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| Author: | dj1000 [ 29 Jun 2011 20:41 ] |
| Post subject: | Slow return to idle |
Hi guys, got one more problem with the repaired Firebolt. The revs get stuck at around 2 to 2.5k. It returns to idle very slowly and sometimes seem to take forever. I did some logging and it looks like the TPS goes back to it's original position but the revs stay at 2 to 2.5k. Is there an air leak somewhere?  .I tried loading the original fuelmaps back onto the ECM, but no change. Thanks for any ideas in advance. Cheers D. |
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| Author: | pash [ 29 Jun 2011 20:55 ] |
| Post subject: | Re: Slow return to idle |
Back off the tickover screw a little. |
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| Author: | gunter [ 29 Jun 2011 21:03 ] |
| Post subject: | Re: Slow return to idle |
If it's DDFI-2, then retard spark advance at the first column (1900 or 2000 rmp in most cases) above maximum idle speed (~1400 rpm). Reducing spark advance to 10-12° in the two bottom rows seems to work fine. |
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| Author: | dj1000 [ 01 Jul 2011 12:10 ] |
| Post subject: | Re: Slow return to idle |
Tried both suggestions, ta Pash and Danke Gunter. Unfortunately it made no difference. Looking at the attached log file, you can see that after TPS goes back to it's idle position the revs take about 8 to 10 secs to follow. Am I reading this right Cheers D. |
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| Author: | pash [ 01 Jul 2011 12:16 ] |
| Post subject: | Re: Slow return to idle |
Where's the data? |
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| Author: | dj1000 [ 01 Jul 2011 16:16 ] |
| Post subject: | Re: Slow return to idle |
Damn it  I knew I've forgotten something, is an age thing  Hmm, doesn't let me attach any file, always complains about "file extension not allowed" WT...
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| Author: | pash [ 01 Jul 2011 16:30 ] |
| Post subject: | Re: Slow return to idle |
A screenshot would work... Did you say you had done a TPS reset? |
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| Author: | dj1000 [ 01 Jul 2011 16:42 ] |
| Post subject: | Re: Slow return to idle |
finally ??? http://s839.photobucket.com/albums/zz315/djung1000/?action=view¤t=Slow_Idle_return.png&newest=1 |
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| Author: | Kev [ 03 Jul 2011 06:28 ] |
| Post subject: | Re: Slow return to idle |
Re do tps reset
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| Author: | dj1000 [ 03 Jul 2011 21:46 ] |
| Post subject: | Re: Slow return to idle |
Kev wrote: Re do tps reset Nope, didn't change a thing 
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| Author: | Kev [ 06 Jul 2011 16:47 ] |
| Post subject: | Re: Slow return to idle |
I didn't realise where you were... What are you upto tomorrow? Fancy a hand? |
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