Is it dangerous to drive before replacing anti knock sensor? What damage can it cause?

Asked by Jun 04, 2017 at 10:06 AM about the 2000 Lexus ES 300

Question type: Maintenance & Repair

3 Answers

109,845

Not if you use some common sense, easy take offs, no hill climbing, light throttle, keep engine speeds down, and keep listening for engine ping, if you hear it back off the gas, slow down. I remember the worse case I saw caused severe piston damage.

60,745

tennisshoes is likely correct, but I wouldn't drive it. If you must drive it make sure you use premium fuel as it will help reduce any knock that happens.

96,265

Use premium gas in the meantime.

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