My 90' Laser RS started acting funny after hitting fuel cut for the first time. It now idles and drives like it is missfiring. Occasionally idles and drives normal for a short period of time but then will start running rough again. The check engine light also comes on. I am trying to get a hold of a datalogger to see if that can help me out. I put in new colder plugs and still it runs rough.
any suggestions?
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