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Jhayward
Newbie


Joined: 15 Sep 2018
Posts: 12



PostPosted: Fri Jul 19, 2019 4:45 pm    Post subject: Rough idle Reply with quote

Hi all.
Got back from holiday last week looking forwards to taking my baby out for a drive. Left her on my battery conditioner for the two weeks so no problem starting, and run smooth as normal. I decided not having time myself to have the local car wash blow the dust off her, this is were the problem started. They have had a new snowfoam cleaning system installed while I've been away and whilst rinseing her down I noticed the engine started running rough and then brake sensor light came on. I quickly turned off the engine left her to stand in the sun for a while then started her again, the brake sensor light disappeared but still had rough idle. Took her for a run and engine light came on but car was running nice only rough at idle, read codes and misfire cylinder 6. Clear codes and drove all week same rough idle. Do you think coil packs have given up or something else like maf required clean. Help appreciated.
 
  
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deMort
Long Beach


Joined: 21 Mar 2015
Posts: 6981
Location: Brighton


PostPosted: Fri Jul 19, 2019 7:58 pm    Post subject: Reply with quote

A corroded ign coil when wet will cause a misfire . if you can then have a look for cracks in the coil.

When dry it will run fine .

No.6 is o/s/r and closest to the driver's seat .
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