Mar 22, 2008 · I can't seem to find much information about symptoms of an optical sensor failure. Heres what happened: Yesterday, I mixed some filtered used engine oil in my gas (diesel is up …

Mar 4, 2014 · Hi! I'm new here and my 6.5 has thrown a P0251. Can I get by with cleaning the optical sensor up or do i need to replace it? Thanks!

Jun 9, 2022 · Hello guys. First, sorry for my english, not my native language. First post for me. Chevy Tahoe 1994 6.5 i rebuilt engine but I'm not able to find right position of injection diesel …

Oct 26, 2022 · How to check optical sensor on 1999 C 3500 with 6.5 turbo. Runs great one minute hard to start next. Be running good next minute buck jumps rpms drops and...

Oct 21, 2014 · And btw FYI I removed the optical sensor harness and it hasnt missed a lick since then. Ward 1984 m1009 6.2l diesel (military blazer) 1998 24v dodge 3500 5.9l cummins 1994 …

Oct 25, 2016 · Optical sensor bypassed engine starts but won't start wityh it plugged in Question: Jump to Latest 20K views 19 replies 5 participants last post by OkDually Dec 6, 2017

Sep 22, 2020 · Im curious as to what the symptoms of a bad or faulty optical eye on a 1994 6.5 turbodiesel are ! can anyone tell me ? i dont think its the problem but would like to rule it out !

Apr 8, 2012 · Hi Diesel people,I have a '94 HD with 6.5, the pump was changed out about 3 years ago. Not sure of the pump number but I could get it. Truck quit suddenly so diagnosed it to the …

Jun 12, 2008 · The optical sensor (OS) also provides a Pump Cam signal to the PCM by counting pulses on the sensor disk located in the injection pump. The optical sensor is one of the most …

May 2, 2020 · Optical Sensor filter harness, info says solves radio interference. Then why do I lose power with it out? Question: Jump to Latest 5.2K views 19 replies 4 participants last post …