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#1
02-09-2013, 05:46 AM
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Rough idle and trouble codes
Hi,
after years to found out what the problem is with rough idle once a year, now the symptoms come in shorter time. I record now on all drives the live data from obd. But two trouble codes was saved: P0404 and P1404 Should I replace the whole EGR valve or are the codes intact of other faulty systems? The yearly symptoms are: fine start. After driving some miles and I brake the idle is rough. Acceleration is fine. After I shut off the engine and wait it runs fine again. But in last time I have bad starting after the symptom are there. And one times the symptoms are gone while driving. Service lamp is off. 
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#2
02-10-2013, 10:19 AM
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Re: Rough idle and trouble codes
What vehicle???
__________________
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#3
02-10-2013, 12:11 PM
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Re: Rough idle and trouble codes
Quote:
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