Raw Diesel Smell in cab and periodically dies... - Ford Powerstroke Diesel Forum
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post #1 of 10 Old 09-28-2010, 10:10 AM Thread Starter
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Raw Diesel Smell in cab and periodically dies...

Lately my truck has had a "miss"/"jerk" while going down the road... you can be in, or out of the throttle. and if your coming up to a stop, and it does this it will die.....I've replaces the ICP sensor, and notice now that it helped out on the "MISS" while driving down the road at normal RPM. But It will just die at the red lights or stop signs. it just completely shuts off... there is no spitting or sputtering. just like you cut off a light switch... only thing ive noticed more is a stronger "raw" fuel smell in the cab, coming though the air vents... I'm wondering if I may be sucking in air in the fuel throught a potential leak. I've read a lot about the orings in the fuel bowls. Looking for someones elses two cents on my situation.
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post #2 of 10 Old 09-29-2010, 05:58 AM
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try changing the CPS (cam position sensor) they are cheap and available at most parts stores it's a good starting point I'll bet it gets you fixed up

If your not giving your all at everything you do your just slowly failing


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post #3 of 10 Old 09-29-2010, 06:01 AM
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Check for fuel leaks. Most likely the drain valve on the back of the fuel bowl.

CPS will not cause a raw fuel smell

Email: Dave@powerstroke.org
2011 F150 Ecoboost Crew cab lariat. Custom tunes from KEM and 5Star, and Unleashed
2012 F150 Crew Cab Ecoboost stock for now-Totaled March 12 2015
2006 F250 ECSB Lariat 4x4

Leveling kit, 315/70/17 Kelly TSRs on Method race wheels
ARP studs and OEM gaskets done by Renegade Diesel
ECM and Atlas 40 FICM tuned by Bill at PHP SCT tunes by Truck Source Diesel. Gearhead, Innovative, Wildman and Tyrant diesel
Flowmaster/MBRP Hybrid Exhaust
Edge Insight CTS
Coolant filter
Bulletproof diesel FICM EGR Delete, Oil Cooler and Water Pump, and Light bar.
Dually LED lights from Stealth Automotive/Xpedition Outfitters
No Limit Fab 6.0 Cold Air Intake
http://www.bulletproofdiesel.com/default.asp
http://nolimitfabrication.com/
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post #4 of 10 Old 09-29-2010, 06:05 AM
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Quote:
Originally Posted by Dave View Post
Check for fuel leaks. Most likely the drain valve on the back of the fuel bowl.

CPS will not cause a raw fuel smell
I agree with dave it is a cheap fix and an easy install

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post #5 of 10 Old 09-29-2010, 06:05 AM
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Quote:
Originally Posted by Dave View Post
Check for fuel leaks. Most likely the drain valve on the back of the fuel bowl.

CPS will not cause a raw fuel smell
that's true sorry I had a brain fart

If your not giving your all at everything you do your just slowly failing


MY TRUCKs
2002 F250 crew cab short box 4X4 7.3l

E99 F350 dually PSD 7.3 EDGE EVOLUTION running perfect thanks to and engine from NOTSTOCK


^^^don't run your 7.3 with a bad injector this is the result^^^
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post #6 of 10 Old 09-29-2010, 09:36 AM Thread Starter
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Do you think the CPS might be the issue on making it Miss? I drive 80 miles 1 way to work and this morning i didn't have any issues... but one day it dies 3 times at one red light... but after that never missed a lick...Puzzels me.
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post #7 of 10 Old 09-29-2010, 09:40 AM
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CPS can cause a miss. But it will not cause a raw fuel smell.

Email: Dave@powerstroke.org
2011 F150 Ecoboost Crew cab lariat. Custom tunes from KEM and 5Star, and Unleashed
2012 F150 Crew Cab Ecoboost stock for now-Totaled March 12 2015
2006 F250 ECSB Lariat 4x4

Leveling kit, 315/70/17 Kelly TSRs on Method race wheels
ARP studs and OEM gaskets done by Renegade Diesel
ECM and Atlas 40 FICM tuned by Bill at PHP SCT tunes by Truck Source Diesel. Gearhead, Innovative, Wildman and Tyrant diesel
Flowmaster/MBRP Hybrid Exhaust
Edge Insight CTS
Coolant filter
Bulletproof diesel FICM EGR Delete, Oil Cooler and Water Pump, and Light bar.
Dually LED lights from Stealth Automotive/Xpedition Outfitters
No Limit Fab 6.0 Cold Air Intake
http://www.bulletproofdiesel.com/default.asp
http://nolimitfabrication.com/
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post #8 of 10 Old 09-29-2010, 09:57 AM
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My '96 with a mechanical fuel pump caused the same issues.

1996 F-250 4X4 ExCab 7.3 200,000+ Miles
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post #9 of 10 Old 09-29-2010, 11:03 AM Thread Starter
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Anyone know of any Post on step by step on changing the CPS?
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post #10 of 10 Old 09-29-2010, 11:13 AM
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Here you go

7.3 Cam sensor replacement procedure

10mm socket, ratchet and short extension is all you need.

Email: Dave@powerstroke.org
2011 F150 Ecoboost Crew cab lariat. Custom tunes from KEM and 5Star, and Unleashed
2012 F150 Crew Cab Ecoboost stock for now-Totaled March 12 2015
2006 F250 ECSB Lariat 4x4

Leveling kit, 315/70/17 Kelly TSRs on Method race wheels
ARP studs and OEM gaskets done by Renegade Diesel
ECM and Atlas 40 FICM tuned by Bill at PHP SCT tunes by Truck Source Diesel. Gearhead, Innovative, Wildman and Tyrant diesel
Flowmaster/MBRP Hybrid Exhaust
Edge Insight CTS
Coolant filter
Bulletproof diesel FICM EGR Delete, Oil Cooler and Water Pump, and Light bar.
Dually LED lights from Stealth Automotive/Xpedition Outfitters
No Limit Fab 6.0 Cold Air Intake
http://www.bulletproofdiesel.com/default.asp
http://nolimitfabrication.com/
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