check engine light
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check engine light
I have a 1998 ford Explorer 4.0 SOHC 126,00
I have an error code of po171 system to lean bank 1 and 2,4 5 misfiring
I have read about the TSB on the o ring.
I changed the lower and upper intake manifold o rings, the PCV valve and the 3 hoses. Also changed the spark plugs.
The wires, ignition coil and 3 out of the 4 o2 sensors have been changed within the past year.
I had the check engine code cleared and about a half mile it went off again same codes and the light blinks when I drive.
I have a hissing noise coming rfrom the PCV valve area.
Is the hissing noise just a hose or is there any other o ring that might be cauing this.
Any suggestion would be greatly appreciated
Thank you
Thank you
I have an error code of po171 system to lean bank 1 and 2,4 5 misfiring
I have read about the TSB on the o ring.
I changed the lower and upper intake manifold o rings, the PCV valve and the 3 hoses. Also changed the spark plugs.
The wires, ignition coil and 3 out of the 4 o2 sensors have been changed within the past year.
I had the check engine code cleared and about a half mile it went off again same codes and the light blinks when I drive.
I have a hissing noise coming rfrom the PCV valve area.
Is the hissing noise just a hose or is there any other o ring that might be cauing this.
Any suggestion would be greatly appreciated
Thank you
Thank you
