general questions....bank 1 leaner than 2?
08-24-2009, 01:02 PM
#12
http://forum.efilive.com/search.php?searchid=721617
First warm up engine to operating temp...
then:
- connect scantool,
- goto DVT tab,
- select controller,
- goto Learning subtab,
- click CASE,
- open throttle to increase RPM above 4000,
- when you hear/feel stumble/misfire immediately release throttle,
- after spindown, wait a few moments, turn off engine and wait 15 seconds.
You may possibly have to have brake applied during this.
First warm up engine to operating temp...
then:
- connect scantool,
- goto DVT tab,
- select controller,
- goto Learning subtab,
- click CASE,
- open throttle to increase RPM above 4000,
- when you hear/feel stumble/misfire immediately release throttle,
- after spindown, wait a few moments, turn off engine and wait 15 seconds.
You may possibly have to have brake applied during this.
08-25-2009, 11:48 AM
#13
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The diff. in MV and that slight diff in ltft's is normal, the 02's can sometimes read a tiny bit different, or the slightest difference in injector flow, airflow, etc. from 1 bank to the other will cause that, no biggy. As for the detonation, i would try the relearn, but one thing i was curious about is what coil packs you are using compared to the pcm. IIRC the dwell changed a bit from one style to the next and that was wreaking havoc with KR. Also maybe you have another thread i haven't seen, but is it audible knock, could it be bad knock sensors, noisy valve springs or exhaust causing false knock? Have you modified the sensitivity of the sensors? Sorry for all the questions, just things going through my head!
08-26-2009, 10:13 PM
#16
The diff. in MV and that slight diff in ltft's is normal, the 02's can sometimes read a tiny bit different, or the slightest difference in injector flow, airflow, etc. from 1 bank to the other will cause that, no biggy. As for the detonation, i would try the relearn, but one thing i was curious about is what coil packs you are using compared to the pcm. IIRC the dwell changed a bit from one style to the next and that was wreaking havoc with KR. Also maybe you have another thread i haven't seen, but is it audible knock, could it be bad knock sensors, noisy valve springs or exhaust causing false knock? Have you modified the sensitivity of the sensors? Sorry for all the questions, just things going through my head!
08-29-2009, 04:57 PM
#19
That's an interesting thought.
So...this morning I put on the "new" coils and same old knocking crap. So, there was no issues with my plugs, wires, or coils. I guess that leaves fuel, tune, air leak, and clogged cats as potential causes.
So...this morning I put on the "new" coils and same old knocking crap. So, there was no issues with my plugs, wires, or coils. I guess that leaves fuel, tune, air leak, and clogged cats as potential causes.
08-29-2009, 04:57 PM
#20
That's an interesting thought.
So...this morning I put on the "new" coils and same old knocking crap. So, there was no issues with my plugs, wires, or coils. I guess that leaves fuel, tune, air leak, and clogged cats as potential causes.
So...this morning I put on the "new" coils and same old knocking crap. So, there was no issues with my plugs, wires, or coils. I guess that leaves fuel, tune, air leak, and clogged cats as potential causes.