Spark Plugs - Power Hungry Performance Forum

		Power Hungry Performance Forum > Ford F-150, Expedition, Navigator, Blackwood, Mark-LT, SVT Lightning and H-D Editions (Disabled) > 2004 to 2008 F-150 and Mark-LT
Spark Plugs

2004 to 2008 F-150 and Mark-LT
4.2L, 4.6L and 5.4L equipped F-150s and Mark-LTs.

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#12

Wed, April 29th, 2009, 09:58 PM

88Racing 88Racing is offline

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Did you fully check the fuel rails? Maybe you might need some new o-rings? The old ones could have flat spots or cracks.
At the shop we always get a complete set for each injector when we change them. Or did you wiggle a injector?

Just some brain storming.

Lars

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