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1987 Dodge Truck TOWING

Tiny
HARRYNIMROD
  • MEMBER
  • 1987 DODGE TRUCK
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 80,000 MILES
My truck runs great good gas miliage but if I hook up a trailer I can't get it up to 45 miles an hour just had the exhust manifold replaced new muffler new tune up new plugs cap rotor, I'm lossed any Ideas. Harrynimrod
Friday, April 30th, 2010 AT 9:32 AM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Not knowing if youhave towed the same trailer, it is a 6 and not the most powerful unless it's diesel. Check to see if the catylitic converter is plugged. If you are reading low vacuum at idle then it probably is.
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Sunday, May 2nd, 2010 AT 12:17 PM

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