Lumpy tick over petrol smell

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Get the codes read on MB Star, your code relates to a faulty number 12 coil pack, seeing as you have an inline 4 I doubt its correct.
 
i will do if it comes back, gave it a blast out tonight and no warning lights coming back as yet.
 
Just tried a slightly better diagnostics (not star)Hopefully get that this week
showing
P201c-001 P0172
2029-001
201b-001

But after cleaning the connector to Mass air flow sensor yesterday, it just feels better and i,m sure the petrol smell has gone Could it be just a dirty connector?

Think i,m just going to get that vacuum pipe changed under air box and get maf cleaned by a merc tech. Take it from there
 
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OK, had merc mechanic out, replaced this hose within 20 minutes. Nice little split A 271 018 04 82
 

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