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25/04/2021 6:54 pm
Topic starter
Dear Scotty,
Toyota corolla 2018 automatic transmission with 28,000 klms. The issue is that every time it is driven under load or up hill a strange pinging noise can be heard from under the engine. The sound can be best described as a metallic sound. I have tried premium high rich octane fuel with no luck. Please advise what could be the possible issues with this car?? Much appreciate it.
2 Answers
1
25/04/2021 8:16 pm
Have you checked your exhaust heat shields? Do you ever get above 3,000 rpms? if not maybe a little carbon buildup after 3yrs.
0
26/04/2021 8:21 am
Have your ignition timing checked. If it's too far advanced, it'll ping no matter what fuel you use.
