Accidentally put a gallon regular gas into the tank when it is only supposed to have premium

Tiny
JESSIE MCKINNEY
  • MEMBER
  • 2001 MITSUBISHI
  • 180,000 MILES
I accidentally put about a gallon of regular gas into my Eclipse Spyder GT about a month ago and it is only supposed to have premium. Well, my engine started knocking what should I do?
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Saturday, November 26th, 2016 AT 9:33 PM

2 Replies

Tiny
CATAFINA
  • EXPERT
Check your EGR valve could be spark knock problem.
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Saturday, November 26th, 2016 AT 11:08 PM
Tiny
MHPAUTOS
  • EXPERT
When do you hear the knock, at start up under hard acceleration, is is constant with engine speed or more of a rattle when accelerating?
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Sunday, November 27th, 2016 AT 3:45 AM

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