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post #1 of 3 Old 12-21-2012, 06:40 AM Thread Starter
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Help with sensors

Ok guys i have a 96 with 20,000miles on new motor, turbo, injectors, e-fuel, t500. On start up im getting smoke with a blueish haze but only at idle when cold if i bring the rpms up it almost goes away completely And after a few mins of warm up i cant see any smoke with the truck on high idle. So my question is... Is there a sensor that controls fuel or injection timing that could be bad?
So far i have tried icp, ipr, and intake temp sensor
Thanks guys
Im also curious about my map sensor i see people talking about a engine light and defueling when overboosted, i push 35psi and i have not had a issue is my map bad?

96 F-250 ext. cab long box 4x4
Intake, auto meter(oil psi, tranny,boost, EGT) IDM mod, .030 over rebuilt motor, comp 910's, BDP d66 turbo, BDP stage one injectors, BDP fuel system, t500, BDP custom tuned 6pos, coolingmist water/meth, 3in downpipe 4in duals, dana 60 swap, 203* t-stat
traction bars, 6.0 intercooler
furture plans,
BTS, 300/200 sticks, studs, pushrods, t4 mount, NEW PAINT

GOAL= 600+ hp
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post #2 of 3 Old 12-21-2012, 07:17 AM
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It's normal to smoke on a cold start. Diesel likes to burn hot and will smoke some until the cylinders warm up

95 f250 eclb 4x4 under construction
96 f250 eclb 4x4 rosewood stage 1 injectors, bully dog 6 position chip, 6637 air filter, idm mod
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post #3 of 3 Old 12-21-2012, 07:51 AM Thread Starter
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Some smoke yes but theres more then i have seen on others. My brothers super duty is normal to me it has a puff then its gone. Im not sure if maybe the bigger injectors is to blame. I was able to find a few post about possible injectors leaking into cylinder when it sits. If i run the truck then let it sit for a few hours and it cools down there is no smoke it seems to start smoking after about 8hrs of sitting, the other possibility was valve seals leaking. But i figured i would ask if there was a sensor that could cause it, i also forgot to mention that when it idles and is smoking i can hear a miss or atleast a difference in idle where the idle goes down for a second and goes back up it does it about 10seconds apart
or so

96 F-250 ext. cab long box 4x4
Intake, auto meter(oil psi, tranny,boost, EGT) IDM mod, .030 over rebuilt motor, comp 910's, BDP d66 turbo, BDP stage one injectors, BDP fuel system, t500, BDP custom tuned 6pos, coolingmist water/meth, 3in downpipe 4in duals, dana 60 swap, 203* t-stat
traction bars, 6.0 intercooler
furture plans,
BTS, 300/200 sticks, studs, pushrods, t4 mount, NEW PAINT

GOAL= 600+ hp

Last edited by stroked out; 12-22-2012 at 08:43 AM.
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