WHY DOSE MY TRUCK BLOW BLACK SMOKE WHEN I STEP ...

1991 GMC Sierra

Tiny

Anonymous

March, 25, 2013 AT 11:44 PM

Why dose my truck blow black smoke when I step on the gas

FOUND 735 RELATED QUESTIONS

Black Smoke Coming From Exhaust

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Smoking

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48 IMAGES

1 Answer

Tiny

rasmataz

March, 26, 2013 AT 1:40 AM

Its running too rich-check the fuel pressure if its within specs-

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Replace Fuel Pressure Regulator