2018年7月11日 · Which Spark Plugs?! Denso SC20HR11, SC16HR11, or IXEH20TT?? Discussion in ' Gen 3 Prius Care, Maintenance & Troubleshooting ' started by HaiImBrian, Jul 11, 2018.

Genuine Toyota Spark Plugs: All resistor plugs with single ground electrodes feature a patented U-groove design, resulting in a hotter spark.