Insignia VXR misfiring

Insignia VXR misfiring

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Original Poster:

6,233 posts

192 months

Thursday 2nd February 2017
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Hi all,

My Insignia VXR last month started misfiring under acceleration to 60-70mph+. It also every now and again stunk of petrol when it was started from hot ie, being on the motorway or quick country lanes for an hour or so.

Took it to the dealers and they plugged it in and said it needed spark plugs. Despite me arguing that a 1.5 year old car with less than 40,000 on the clock shouldn't need new plugs they insisted it was wear and tear and charged £190.

Well today the engine once more has stared misfiring when started up after a bit of a run (300 miles since plugs done) and really smelling of petrol to the point I switched it off and check under the bonnet for a fuel leak. The misfire cleared after a few minutes but has anyone heard of anything like this on them?