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1990 Dodge Ram Smog Pump

Tiny
COLTON1286
  • MEMBER
  • 1990 DODGE RAM
  • V8
  • 4WD
  • MANUAL
  • 15,000 MILES
I have a 1990 Dodge w250 and the smog pump was making a popping sound. I took the belt off and the noise stopped. I am not sure what I am to do. Should I replace the pump? The belt? Or could it be something else?
Wednesday, February 10th, 2010 AT 6:32 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Actually, the pump is required by law for emission purposes. THe truck will run fine without it, but it should be replaced. If it was making a poping sound, it is bad. I would recommend trying to find one in a savage yard. I question if you find a new one.

Let me know if you have other questions.

JOe
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Friday, February 12th, 2010 AT 6:36 PM

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