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View Full Version : 5.0 GT Vortec issue



UK-Mustang
10-27-2007, 12:35 PM
off throttle my 'check engine' light comes on, on throttle it goes off.

is this normal due to the pressure differences?

or do I just pull the bulb??

I should mention the blower is not the only mod, I have alloy heads, high flow inlet, 30lb injectors, headers.