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Author Topic: Idle problem  (Read 9585 times)
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« on: May 27, 2012, 01:02:54 PM »

Hi,
I have a some problem my idle. i searched but could not in forum.

I am using siemens deka 630 cc.(ME7.5)

My idle AFR is 14.7 under 70 or 80 degree engine temp. when engine temp going to ~80 degree my AFR is 13s.

How can i solve this issue ? is it releated with TVUB ? or any other map ?

Thank you for your help.

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prj
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« Reply #1 on: May 27, 2012, 03:04:11 PM »

Check TEMIN.
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professor
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« Reply #2 on: May 27, 2012, 03:19:37 PM »

Also your exhaust temps are higher than normal?
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« Reply #3 on: May 27, 2012, 04:51:39 PM »

Thanks for your response..

Check TEMIN.
TEMIN is stock.How should i change?

Also your exhaust temps are higher than normal?

George,
I have a EGT gauge but didn`t see a problem.

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@lq!
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« Reply #4 on: May 27, 2012, 10:51:10 PM »

Also your exhaust temps are higher than normal?

Hello Prof,

You mean;

LAMBTS should be higher than LAMFAW.

LAMFAW > LAMBTS ? is it true ?

Thanx

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professor
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« Reply #5 on: May 28, 2012, 12:23:55 AM »

Thanks for your response..
TEMIN is stock.How should i change?

George,
I have a EGT gauge but didn`t see a problem.


Yes change values of tvub according to this post (3bar fpr).

Hello Prof,

You mean;

LAMBTS should be higher than LAMFAW.

LAMFAW > LAMBTS ? is it true ?

Thanx


Nothing specific, trying to resolve the enrichment problem root.
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« Reply #6 on: May 28, 2012, 01:24:42 AM »

Hmm , Thank you
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« Reply #7 on: May 28, 2012, 02:12:49 AM »

Mine;






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professor
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« Reply #8 on: May 28, 2012, 04:03:40 AM »

Grey krkte for 3 bar fpr and siemens deka 630 should be aroubd ~0.05.
tvub should be like on post i mentioned before  ( i ve done many changes on tvub and in the end i choose those values written on post).
Whats your temin & teminva value?
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« Reply #9 on: May 28, 2012, 05:00:07 AM »

Grey krkte for 3 bar fpr and siemens deka 630 should be aroubd ~0.05.
tvub should be like on post i mentioned before  ( i ve done many changes on tvub and in the end i choose those values written on post).
Whats your temin & teminva value?

My oem injectors has 282cc@3bar (06B133551M/0280156065)
Temin and teminva is stock.(0,9000 & 0,7000)
What is the right KRKTE ?
« Last Edit: May 28, 2012, 06:20:21 AM by grey » Logged
professor
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« Reply #10 on: May 28, 2012, 05:02:30 AM »

For siemens deka 630cc krkte should be ~0.052 and temin ~0.382.
Use those values and report  Smiley
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« Reply #11 on: May 28, 2012, 05:16:58 AM »

For siemens deka 630cc krkte should be ~0.052 and temin ~0.382.
Use those values and report  Smiley

Thanks George,
I'll try it  Smiley
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« Reply #12 on: May 28, 2012, 05:23:41 AM »

i like this platform.. too many people loves to share.  Wink
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prj
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« Reply #13 on: May 28, 2012, 07:51:59 AM »

0.9 temin is way too much for these injectors. That's why you are having this problem right now.
When you set temin correctly your problem will go away.
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« Reply #14 on: May 28, 2012, 10:46:25 AM »

Also put same values on temin & teminva.
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