Why does my truck emit an odor when making a turn

mexicanjoe · Jun 8, 2019

Ok group this one is for the books: My '89 F-250 has this nasty habit of running great in town and when the a/c is one its very comfortable. However when I make a turn, either left of right, I smell the odor of raw diesel! What gives? I don't think my fuel tanks are loose. What can you guys proffer this confused driver?

bbjordan · Jun 8, 2019

Does it make a difference with the fuel tanks full or low?

Golden Helmet · Jun 8, 2019

When my fuel heater was leaking I noticed the same thing happening, I would only smell diesel when making a turn. It was the strangest thing, I never could see any fresh diesel on the connector, but I stopped smelling diesel after the problem was fixed so obviously that was the culprit. Do you see any damp spots on your fuel filter housing or return line caps?

Selahdoor · Jun 8, 2019

I WAS going to say that the reason I emit an odor when I make a turn, is just because I am getting older.

Then I decided not to say that. Because you were looking for a real answer.

Aren't you glad I didn't say that?

mexicanjoe · Jun 8, 2019

bbjordan, it doesn't make a difference how full the tanks are. its really strong it I pull outside air when using the a/c. When set on MAX it doesn't emit the raw fuel odor. As far as my heater: I placed a small paper towel under it and drove it for two days. when I checked it . it was slightly stained ; not very much

bbjordan · Jun 9, 2019

I was thinking it might be a leaky gasket between the tank and the fuel sending unit, but after reading more, I think Golden Helmet might be on the right track. It's probably something under the hood.

Macrobb · Jun 9, 2019

It's going to be under the hood, look on the passenger's side(because that's where the cabin intake air comes from)..

mexicanjoe · Jun 10, 2019

Thanks guys Ill start looking PDQ..

Why does my truck emit an odor when making a turn

mexicanjoe

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bbjordan

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Golden Helmet

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Selahdoor

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mexicanjoe

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