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Old 18-05-2014, 06:32 PM   #16
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Quote:
Originally Posted by E270 Owner View Post
You know these are the cause of the low rpm problem on cold engines sometimes and possibly the problem with your cold starting, have you a unit to swap and test ?
What do you want to say?

My next step is to put a valve before injectors, to dont back my fuell down at tank.
Although the filter should have this.

And if this dont work i try other idea.To check carefully fuell pomp and put a supplement at fuell and test my ecu at service.
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Old 18-05-2014, 06:57 PM   #17
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The fuel valve wont make any difference as the rpm are low and not on cold start high idle, the problem lies elsewhere, as I already said I would look at the ECU flow meter.
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Old 25-01-2015, 04:05 PM   #18
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Dimitar, Something new about this problem?
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Old 26-01-2015, 11:39 PM   #19
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I would also check the timing.

If it has fuel and spark it will run. If it's at the incorrect time it won't.
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Old 30-01-2015, 09:46 PM   #20
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check for brown colour on the spark plug electrodes.
also check this out
https://www.facebook.com/aclassForrera
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Old 24-12-2016, 04:04 PM   #21
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Same problem on startup idle low then continue good. W168 has plugs so sensitive that like to misscontant. Pull out maf both plugs, actuator plug, spartplugs plg and another plug under tha maf...so all plugs follow tha maf plugs main cable. Spray wd40 in all both ends and re plug everything. Spray caburator cleaner in the maf sensor and in you can follow youtube and clean actuator. As i said w168 plugs love loose contact. Startup and go.

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Old 24-12-2016, 04:08 PM   #22
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Idle stabilization unit?? It will give this...
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a160, cold, colleagues, issue, start, w168


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