Engine knocks

1993 TOYOTA COROLLA
108,000 MILES • 1.6L • 4 CYL • 2WD • AUTOMATIC
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DONT2930
  • MEMBER
  • 1 POST
Starts, but knocks, worse on acceleration. Pulled intake and found what looks like slight burn mark in one cylinder. Maybe intake valve not closing properly? Thank you.
Nov 8, 2018 at 7:08 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,246 POSTS
Hi and thanks for using 2CarPros.com.

If the engine is knocking, it could be a few things. Take a look through this link. It discusses different things that causes a knock. Read through it and see if anything mirrors what you experience.

https://www.2carpros.com/articles/engine-noises

Let me know what you find or if you have other questions.

Take care,
Joe
Nov 9, 2018 at 8:44 AM
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