Funny smell when starting

JockHiltz · 2024-11-12T05:51:09+0000

I get this funny smell when I start my 2003 TD5... It smells like the smoke when a cap gun or fire cracker goes off... the diesel also seems to burn with a pretty foul smell at times.... Thought I read somewhere that a sticky injector can cause a bad smell.... any thoughts?

tottot · 2024-11-12T12:18:56+0000

Have you looked to see if any odd puffs coming from exhaust?

Anaconda · 2024-11-12T13:14:39+0000

How about diesel bug, possibility?

JockHiltz · 2024-11-12T13:22:30+0000

tottot said:
Have you looked to see if any odd puffs coming from exhaust?

I was having some puffs of white smoke on cold start ups, but that seems to have cleared up for the most part... or only happens very infrequently.

JockHiltz · 2024-11-12T13:22:53+0000

Anaconda said:
How about diesel bug, possibility?

Anyway to diagnose? How do you deal with that?

tottot · 2024-11-12T13:42:11+0000

White smoke is unburnt fuel, it would be worth checking the injectors. Put it on a reader. It sounds like an intermittent problem. Check injector loom for oil ingress, known Td5 issue.
Diesel bug produces a black sludge in tank, filter, fuel lines. Result is poor performance or not going at all.

JockHiltz · 2024-11-12T13:49:19+0000

tottot said:
White smoke is unburnt fuel, it would be worth checking the injectors. Put it on a reader. It sounds like an intermittent problem. Check injector loom for oil ingress, known Td5 issue.
Diesel bug produces a black sludge in tank, filter, fuel lines. Result is poor performance or not going at all.

I occasionally get a bit of black smoke when I accelerate under load, but just small puffs and clears up soon as my RPM;s come up and nothing compared to how my old VW diesels would smoke.

tottot · 2024-11-12T14:25:24+0000

Black under load normal. Do check the harness at the plug under the seat next to battery for oil contamination.

lynall · 2024-11-12T14:43:47+0000

Glow plugs faulty for cold start smoke, remember td5 only has 4 glow plugs.
Black smoke is not normal when running, unless it has been messed with.

miktdish · 2024-11-12T14:52:44+0000

"Starting" ... ahh, having read the thread this wasn't a spelling error then

JockHiltz · 2024-11-12T15:29:23+0000

miktdish said:
"Starting" ... ahh, having read the thread this wasn't a spelling error then

I am actually dealing with two different smells.... a gun power type smell on start up and then a funky smell when running

Scooby22 · 2024-11-12T16:46:21+0000

Has your Cat been removed, I replaced mine after getting really smelly exhaust and its now sweet as a nut again. I also replaced the EGR, removing it made no difference to economy or performance.

Anaconda · 2024-11-12T17:06:26+0000

JockHiltz said:
Anyway to diagnose? How do you deal with that?

I just Googled your question and it said it can make the exhaust smell differently to normal. I think that is with older fuel and fuel with water in it.

Stone56 · 2024-11-12T18:46:13+0000

Had my TD5 from new 2005 it has always had a smell on start up but not unpleasant rather a sweet aromatic but dissipates in 5 seconds?

JockHiltz · 2024-11-12T21:00:10+0000

Scooby22 said:
Has your Cat been removed, I replaced mine after getting really smelly exhaust and its now sweet as a nut again. I also replaced the EGR, removing it made no difference to economy or performance.

I don't believe so... I at least never did, and don't believe the previous owner did... but would have to crawl under to confirm, ha.

Funny smell when starting

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