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#21
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Quote:
You were right. there was no CEL and I thought there were codes, but sure enough I found a few. I don't think they are relevant here but the translation is pretty tough. RLS-DS2 looks like the rain sensor which sure enough does not work. LCM_IV is the light control module? The IKI EEPROM error is probably because the gage cluster was previously replaced. |
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#22
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I was thinking more DME codes but it wouldn't hurt to clear all. Have you tried clearing DME adaptations ?
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1988 325is (purchased new) sold 2004 X5 3.0 2005 X3 2.5 2008 X5 3.0 (new to me) |
#23
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I think 80stech has you on the right track. Once cleared see what comes back and I'd do live data to see if something shows up without causing a code if none reappear.
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__________________
"When the Team Chief said.... You're trapped in a hole with nothing but a goat and a slinky, what do you do? Stubby said, I'm not sure but it won't end well for the goat...." ~(Overheard) Last day, Phase 3, Q Course |
#24
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Checked DME codes and found Code 90, "TEG_UP_1" and Code 91, "TEG_UP_2". Both have error frequency of 0 with message "Error currently not present".
I cleaned my IAC, it had some soot and grime in there, replaced the air intake elbow at the same time. Feels the same though. Still stumbles. |
#25
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Did you reset adaptations? Can you get code descriptions? even in German, you can maybe use google translate or post the German, I am fairly fluent.
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1988 325is (purchased new) sold 2004 X5 3.0 2005 X3 2.5 2008 X5 3.0 (new to me) |
#26
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Here are the screen readouts from the DME error codes.
I just reset all of the adaptations but haven't tried it yet. Last edited by Masospaghetti; 03-09-2025 at 01:59 PM. |
#27
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Doing a quick search on google for you shows that codes 90 and 91 are fuel control and people have found vacuum leaks the cause.
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1988 325is (purchased new) sold 2004 X5 3.0 2005 X3 2.5 2008 X5 3.0 (new to me) |
#28
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Honestly that would 100% explain it. I did a smoke check and found nothing but that was adding smoke ahead of the throttle body. I'll try smoking it out somehow thru the intake manifold and check for leaks. |
#29
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Did another smoke check, this time through the "y" joint going to the brake booster. No trace of smoke, unfortunately.
I'm getting close to biting the bullet and trying a new VDO/Continental MAF. From the other forums I see a lot of folks warning not to use any aftermarket brands. A bit spendy but not sure what else to try. |
#30
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I've never done a smoke test so maybe someone else can chime in on that. A smoke test
might be useful to help find a vacuum leak but doesn't eliminate it as a problem. It takes a little "finesse" to center the IAC motor back into the intake seal (good to replace that as well) so hopefully you didn't add a vacuum leak there, and hopefully you didn't use carb cleaner on the IAC.
__________________
1988 325is (purchased new) sold 2004 X5 3.0 2005 X3 2.5 2008 X5 3.0 (new to me) |
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