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Discussion Starter #1
I had a "risk of particle filter" clogging message which I traced to a faulty MAF which was preventing operation of the EGR valve.
I've changed the MAF and the EGR valve is now working. However the engine has now developed a stutter when it is cold or at low revs.
If I unplug the MAF sensor this goes away.
Anyone help me with any ideas as to what is wrong?
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