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93 Ranger 4.0 Check engine light, only 111 code


dusto2

dusto2

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So to start off check engine light came on about 2 weeks ago, code was for the dpfe sensor, and that was the only code, test function of the egr first and it was working correctly. So I installed a dpfe sensor, cleared the code, test drove the truck and the check engine light came on right away. Test again KOEO got code 111 no faults, KOER got code 111 as well, yet the light still stays on, I have driven it maybe 50 miles after the dpfe replacement and tried pulling codes maybe 4 or 5 times now and still get the say 111, except 1 time I did it when it was cold and got 116 for ect out of range, then warmed up the truck and got 111 again both on KOEO and KOER. Any thoughts on this please
 


dusto2

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Update ran again after a short trip after reading about memory codes coming after and got a 214 for cid, gonna look into that
 

Diesel Mechanic

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Maybe the ecm is stuck on this code. I've seen it before from various manufactures. Try setting a simple code like unplugging a temp sensor. Key on, let it register the code. Plug it back in. Clear the codes. Key off. Unplug ecm for an hour or two (preferred is over night). Plug the ecm back in and go go for a cruise.


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dusto2

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Ok cool gonna try that tonight after work
 

RonD

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Should only need a minute or two to clear KAM(keep alive memory)

Just unhook both battery cables and touch them together, that will drain all capacitors used to hold memory, then reconnect cables

Radio presets and clock time will also be lost
Engine will idle oddly until computer relearns IAC and throttle position settings

214 in a Calif Ranger would most likely be Cam Position sensor(CPS).
Crank position(CKP) sensor is a maybe because a problem with these usually causes a no start, but worth a look at the crank pulley to make sure no mud or debris is stuck between the "teeth" the CKP sensor needs to read.
 
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dusto2

dusto2

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Well finally had time to look at the truck and found that the connector going to the cam position sensor is broken at the sensor itself, looks like I will be ordering and putting in the sensor this weekend. I am honestly surprised it is running with the sensor like that.
 
dusto2

dusto2

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Finally put the new cam sensor in, took me a try or 2 to drop it in correctly, spun on me once, but got it synced and it is running great now.
 
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