6.5 optical sensor - Diesel Place
Mar 3, 2014 · Try running some injector cleaning additives or Marvel Mystery Oil for a few tanks and see if that clears things up a little. If not, the P0251 may be an actual warning about the health of your IP. ~FH. 1994 Chevy K1500 Z71, 6.5L TD :sfa: 145,000 miles, bumper mount PMD, LP relay mod, filter sock delete -SOLD-.
Optical Sensor? - Diesel Place
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 to 3.79/gallon here, I gotta cut costs somehow) and about the time the new mix got to the injector pump I very abruptly lost all power and got the check engine light.
Injection pump -Optical Sensor Issue! - Diesel Place
Apr 8, 2012 · 18615 posts · Joined 2006. #5 · Apr 8, 2012. Check the Fuel Filter bowl and the hoses that goes in and out of it. There are 2 o-rings at the filter bowl. 1 input hose and 2 output hose (one of them to the IP). The output hoses go under …
6.5 optical sensor - Diesel Place
Feb 17, 2008 · Optical Sensor Anyone I've ever asked about the Opt Sensor on the IP says that aside from regular wear, the other reason to replace the IP is the Opt sensor going bad. I've never received advice to try to rebuild the pump and change out the Opt sensor- people say to replace the whole pump.
6.5l optical sensor - Diesel Place
Oct 21, 2014 · If so, replace the alt. Its possible you somehow fried the GP controller. Find it on the rear of the engine, there are 2 large wires, one on each side, jump them together-they will spark and see if the GP's come on, if so, time to trouble shoot. 1984 G20 Diesel Get a Way Van, 6.2L turbo. Rebuilt 1989 700R4, 3.08 gears.
The 6.5L FAQ's... The Master List of Information and 6.5 Answers
Nov 26, 2005 · Search for GLOW PLUGS, Optical sensor, optic sensor, PMD, OPS, lift pump. There are a variety of reasons given for difficulty in starting. Read this thread. Harmonic Balancer - Rubber-isolated cast-iron ring and hub assembly mounted on the crankshaft nose that is prone to failure. The balancer fails as the rubber deteriorates, and it ...
Optical Sensor, bad? - Diesel Place
Oct 25, 2008 · Unplugging the OPTICAL SENSOR lets the truck start in limp mode, and it will not start with it plugged in. Is this proof enough to replace it, or can it be cleaned, tuned, beaten with a salted cod on tuesday of a full moon and replaced. ABW …
optical sensor timing - Diesel Place
Sep 17, 2009 · 1976 posts · Joined 2006. #4 · Sep 17, 2009. TDCO should be from like -.5 to -1.94 that is best. If I remember, the optic sensor is pretty well centered on the plate it mounts on, so if you can center it on that, and just keep scribing lines and moving it until you get your truck to run good again you should be in alright shape.
6.5 optical sensor test - Diesel Place
Oct 26, 2022 · Now on to engine issues. I had some stalling happen 3 or 4... www.dieselplace.com. 1996 K3500 6.5L, ( "F" Eng #141 cast block) NV4500, crewcab, dually,Diamond Eye 4" Turbo Back Exhaust w/2.5" Flo-Pro Crossover, AirDog II DF165 w/ tank sock,delete,TD-Max boost controller,OPS extension hose,Glow Plug Harness,Glowshift Maxtow gauges,Boost & Fuel ...
Bypassing the DS4 Optical sensor - Diesel Place
Jun 11, 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 important inputs by the PCM for fuel control and timing. '95 Silverad C3500 Dually, XCab, 6.5TD (F), 4L80E. GM 6.5L Turbo Diesel DB2 Student Handbook.