HOW TO STOP BLACK SMOKE COMIN FROM EXHAUST PIPE?

1999 Nissan 180SX

Tiny

majid baloch

November, 11, 2011 AT 6:15 AM

When I drive the car gives black smoke. The black smoke comes out too much when I put full accleration otherwise its nt much. And it smells also of petrol

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Tiny

fixitmr

November, 11, 2011 AT 6:43 AM

Well, you are DEFINATELY running too RICH with FUEL! This canbe caused by MAF sensor or TEMP sensor or something else. Is your service/check engine light on?

Tiny

fixitmr

November, 11, 2011 AT 6:49 AM

You also could have a leaking/bad fuel pressure regulator. It leaks raw fuel into manifold making overfuel condition which would produce black smoke. Take off vaccuum hose to regulator and check for wetness/gas in hose.

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