Loss power
RENAULT GRAND SCÉNIC II (JM0/1_)
5 
582 
26.05.22 Back to topics
Rough idle with smoke and hesitant acceleration
RENAULT 21 Saloon (L48_)
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RENAULT MEGANE Scenic (JA0/1_) 1.9 dT (JA0K, JA0Y)@user_2466886 Apr 25, 2024MemberMy 2007 scenic 2, 1.9 diesel has a rough idle with smoke and hesitant acceleration. Diagnostics indicate a faulty mass flow meter. This has been replaced along with the EGR valve but the symptoms persist. However, with the mass flow meter unplugged all is normal, but engine light is on. Any suggestions as what to check/replace next?
Reply 25.04.24 
26.04.24 - @Musbad Apr 26, 2024MemberTry to read errors from the control units, they will help in troubleshooting, or simply delete them and see which ones will appear again.Reply
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