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Fuel Pump

TOT97

Member
Joined
May 17, 2007
Messages
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City, State
Hokkaido
Year, Model & Trim Level
97 SOHC 4.0L
I'm having a problem with knock when gear is at 4th and low RPM (1700-1900).
My guess is fuel pump.

I have changed plug wires, plugs, MAF, and fuel filter.
There is no trouble code.

Is anybody have idea??? Please help!!

97 4.0L SOHC (K&N COLD AIR INTAKE, Torqe Master Spark Plugs, Jacobs Spark Plug Wires, Jacobs DIS, SCT Flash)
 






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