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Old 01-31-2014, 07:29 AM
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"New" injectors, P0282

I'm moving this from my build thread to here. Coming home from work one night, my truck began to run rough, spit, sputter, and buck. Have a P0284 code. I've checked readings using Torque Pro app, cleaned the EGR valve, cleaned the #8 injector, and re-installed with new o-rings and washer. (I had a thread on FTE about it.) I also needed a new thermostat which I replaced. Truck still ran terrible. At this point Iím assuming I have a bad injector(s) so I ordered a set of 8.

That was two months ago. Finally got a set of 175/stock injectors and installed. Same issues, truck still runs like crap. Now I have a P0282 code and no other codes.

Also just installed, blue spring, two new batteries, 135amp Alternator with overdrive pulley, standpipes, dummy plugs, BD intake elbow, metal CAC pipe, all new CAC boots, SCT w/ street tune from Tony Wildman, GlowShift gauges, and coolant degas bottle cap.

I have a ScanGauge II and Torque Pro app. Fuel pressure gauge stays maxed at 100psi. GlowShift website says this is a bad ground. Moved ground wires around, still stays maxed.

KOEO:
ICP = 43
IPR = 14.8
EBP = 14.4

Idle:
ICP = 580
IPR = 22

FICM= 48.5 - 49
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Old 01-31-2014, 08:09 AM
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Wiggled the injector wiring harness beside the FICM while she was running. Whoa! Did that make her go crazy. Guess I'll be unwrapping all that wiring!
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Old 01-31-2014, 08:18 AM
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Don't waste your time with unwrapping the injector harness and trying to repair it. It has all kinds of shielding weaved in and out of it. I think you can buy a new harness for around $200 from Sunrise Ford on here. If it's the main harness, then that's a different story.
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Old 01-31-2014, 02:38 PM
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It appears it was a loose FICM connector. I use a long screwdriver to pry up under the connectors to make sure they are fully seated. But apparently they weren't. This time I applied dielectric grease to the plastic around the plug and then used the screwdriver pry method. Truck fired right up and ran smooth!
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Old 01-31-2014, 02:39 PM
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I agree^ I replaced my harness when I did my injectors. Think is was $210 shipped to the house. Also safe insurance as well knowing that the wiring is fresh
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