Question about 1999 Jeep Wrangler

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Loud ticking noise When the engine is under load

About 3 months ago, I replaced the spark plugs on my 1999 Jeep Wrangler with a set of Bosch Platinum Plus plugs. The engine shortly after started to tick loudly whenever the engine was under load (going up a hill, pressing on the gas in 5th gear). I replaced the Bosch plugs with Champions, and found the Bosch plugs were scorched and burned on the ceramic part of the plug. I replaced the spark plug wires as well. I haven't replaced the coil or distributer cap yet. Any ideas?

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  • KPS1998 Jun 20, 2008

    Thank you very much for your help! Unfortunately, the blog that the link is on isn't available anymore. Do you possibly know of any other ideas? I tested the coil for continuity and it was out of spec. I replaced it and that didn't help. Any more ideas would be greatly appreciated!

  • Anonymous Mar 30, 2014

    What is the correct routing of the spark plug wires to the engine?


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Check the oil level and pressure

Posted on Nov 16, 2008

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