Checking for engine pinging under load with an OBD scanner without a code?

blanchard7684 · Aug 22, 2022

augatundra[OP] said: ↑

Wanted to give an update and share what I've learned. I was able to get the shop foreman from the 2nd dealer to ride with me and agreed that he hears what he described as "spark knock" his comment was that it is normal on 5.7L iForce (I called BS on this but even the Toyota manual said that short and slight knock is normal) Unfortunately they did not have another Tundra in the lot for me to test drive. After I came home, I did a ECU reset (Disconnecting both battery cables and tied them together for about 3 hours) and it appears to lessen the "spark knock" condition. I've tested with 87 Octane). I didn't have to reset the idle or anything else (Key on --> off --> Key on --> engage parking brake --> start the engine --> Trans in D --> back in park and idle for about 10 min is the process I followed). Drove next 50 miles easy with no harsh accelerations or braking for the ECU to relearn. I hope this helps out someone out there. Thanks for all your comments and input.
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any news on this?

Still getting ping with 92 octane?

JRP · Apr 22, 2023

I’m having the same issue with my Tundra. Augatundra, have you completely eliminated the issue?

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Checking for engine pinging under load with an OBD scanner without a code?

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Checking for engine pinging under load with an OBD scanner without a code?

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