Review on NGK CR9E Standard Spark Plug by Robert Rajagopalan

Name: NGK CR9E Standard Spark Plug
Item: NGK CR9E Standard Spark Plug
Rating: 1

August 02, 2023

Useless Spark Plug for Automotive Engines

After I put it to the test, I found that this spark plug was a huge waste of money... It didn't improve the engine's performance and, in fact, it caused MISFIRES and reduced fuel efficiency. i had to replace it with a better quality spark plug which solved all the issues..

Pros

None

Cons

Reduced fuel efficiency and caused misfires.

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