When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Rough idle, lack of power, poor takeoff. The best thing to do, is that if you know you don't have the right ones, get the correct ones. Make sure your wires are correct too, as bad wires can be a lot worse that the wrong plugs.
I resonce to "whats not OK about them", I'll tell you. The engine runs rough, there is an audible missfire at idle. The fuel economy declined, etc. They wre properly gapped, and if you checked them with an inducatance light, they were fireing cleanly, but that doesn't mean that they are properly igniteing the cumbustion chamber. The proplem was only able to be resolved by switching to OEM plugs.
Last edited by khantyranitar; Nov 18, 2005 at 10:58 AM.
This Hennessey Takes the Expedition Tremor's Off-Roading Capability to the Next Level
Slideshow: The VelociRaptor Expedition gains a lift, upgraded suspension, Brembo brakes, and trail-ready equipment while retaining the stock 440-horsepower EcoBoost V6.
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath
Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.