Diesel fuel smell in cab - Ford Powerstroke Diesel Forum
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post #1 of 11 Old 01-27-2011, 04:18 PM Thread Starter
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Diesel fuel smell in cab

I have a 2001 F250 4x4 with 154,000 miles and lately I've noticed a diesel fuel (not exhaust) smell in the cab coming from my a/c. It usually occurs for about the first 10 seconds after I start the truck then seems to go away. I am now starting to notice the raw fuel smell when I get out of the truck as well, however I cannot see any leaking fuel and there is no fuel pooled under the truck. It is getting worse by the day... Any ideas would be appreciated!

Matt
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post #2 of 11 Old 01-27-2011, 04:29 PM
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Check to see if you have any fuel up top in the engine valley. Check it closely with a flashlight as it's hard to see even in the daytime.

Mine does it sometimes too right when I start it up and right now this time of year it's only when I cut the heat on first thing. It goes away whenever I get the truck in motion but I have a few small patches of fuel sitting on top of the engine.

If you have fuel there Couple of things to check for or at least a good place to start: Check either the HPOP OR 2nd thing: Check the fuel bowl valve o-ring to see if that stops the leak.

Mine isn't really bad but enough that I get the odor all the time but our trucks are not exactly air tight (good but not completely air tight) from the front of the engine compartment and any fuel in the engine compartment will give you what you're describing. Hope this helps
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post #3 of 11 Old 01-27-2011, 06:50 PM
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That is exactly what mine was doing prior to my fuel bowl rebuild. This new lower sulfer diesel is hard on the older o-rings and it wears them out. Dieselorings sells a fuel bowl rebuild kit for about $20 and there are step-by-step directions on how to do it yourself, it would be a good start IMO.
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post #4 of 11 Old 01-27-2011, 09:51 PM
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yup just had my friends get ripped off and spend $400 bucks for their 'mechanic' to replace the orings and a part on the hpop.. do it yourself trust me 9/10 times its the fuel bowl drain valve.
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post #5 of 11 Old 01-28-2011, 06:39 AM
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If you smell fuel in the cab, wait for your truck to be cool and open the radiator cap, i bet it smells like diesel. And the fuel you are smelling is running through your heater core. Flush the system and you might have bad injector orings.

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post #6 of 11 Old 01-28-2011, 06:41 AM
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Quote:
Originally Posted by mattccwep View Post
I have a 2001 F250 4x4 with 154,000 miles and lately I've noticed a diesel fuel (not exhaust) smell in the cab coming from my a/c. It usually occurs for about the first 10 seconds after I start the truck then seems to go away. I am now starting to notice the raw fuel smell when I get out of the truck as well, however I cannot see any leaking fuel and there is no fuel pooled under the truck. It is getting worse by the day... Any ideas would be appreciated!

Matt
If you smell fuel in the cab, wait for your truck to be cool and open the radiator cap, i bet it smells like diesel. And the fuel you are smelling is running through your heater core. That is why you smell fuel in the cab.

2000 Ford F-250 Lariat 4WD
Garrett Turbo
Leveling Kit
Gloshift pillar gauges
5" Straight Exhaust
Torque Converter Lockup Switch
Clarion 7" Touchscreen GPS Navigation
285/75R16 Cooper STT
Wicked Wheel
Warn Hubs

This is what it looked like when i bought before new tires and touch screen.
http://www.youtube.com/watch?v=IJ5TztHOYCc
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post #7 of 11 Old 01-28-2011, 06:42 AM
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if you have fuel in your coolant its injector cups not o rings

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post #8 of 11 Old 01-28-2011, 06:54 AM
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Originally Posted by ianstew View Post
if you have fuel in your coolant its injector cups not o rings


also, check your up-pipes and turbo clamp. my turbo/exhaust clamp leaks and i get the smel...

-Matt

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post #9 of 11 Old 01-28-2011, 05:38 PM
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The Fuel Smell I had in My ruck was as simple as it Needed the Fuel Filter Replaced and the Pressure was Forcing Fuel out of the top of the filter and it was puddling on top of the engine. It wasn't enough to make a puddle on the ground.
Replaced it, soaked up the Fuel and washed the top of the engine off with soapy water...Smell Gone.
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post #10 of 11 Old 01-28-2011, 08:01 PM Thread Starter
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I checked the coolant a few days ago before posting on the forum and didn't smell any diesel at that time. I appreciate the other advise and I'll start checking things again tomorrow.
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