Car knocking

2015 ALL OTHER MAKES ALL OTHER MODELS
45,000 MILES • 0.8L • 3 CYL • RWD • MANUAL
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SHAHNAZ AKHTAR
  • MEMBER
  • 1 POST
Poor pick up and knocking. carbon found on one and two cylinders.
Feb 6, 2017 at 9:45 AM
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HMAC300
  • CAR REPAIR CONTRIBUTOR
  • 48,601 POSTS
we cannot hear knock so cannot give a diagnosis try shorting cylinders out one at a time to see if knock goes away . if carbon is heavy then try a de-carbonizer as that can be knock.
Feb 7, 2017 at 6:47 AM
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