P1270 code wont clear.
Gday guys.
I have a 2005 WJ 2.7 CRD.
It has thrown code P1270.
I have placed a 4.7k ohm resistor between pins 2 and 3 of the swirl motor loom, soldered and insulated after cutting off the plug.
I am sure the resistor is the correct value and wired in correctly.
When I try to clear the code using JeepDiag and an elm327 dongle, it wont clear.
If I have the engine running whilst trying to clear the code the MIL light goes out briefly and then resets.
There is power at the loom and is dropping across the resistor as it should.
ASD fuse is intact (obviously) and ASD relay is operating as it should.
Any pointers as to why I can’t clear the code?
Thanks gents.
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