Popping or Backfire under hood @ 70mph

Popping or Backfire under hood @ 70mph

11-17-2009, 12:21 AM

#1 (permalink)

mcandies

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Join Date: Dec 2001 Location: Des Allemands, Louisiana Posts: 78

Popping or Backfire under hood @ 70mph

Anyone know what would cause a popping or backfire that sounds like it may be in the exhaust system under the hood? I had this happen a few times while returning home, towing my 5th wheel trailer, (after traveling about 500 miles). It would pop a couple of times and the truck would jerk like a car with a miss. This happened a total of 5 times in about 30 minutes then never occured again the rest of the way home, (about 400 miles). A few days earlier in the trip we noticed a strong exhaust smell in the cab when stopping for red lights.

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Black 1998 Dodge Quad Cab, 12 valve, &

2007.5 Quad Cab 3500 DRW 4x2, 6.7 w/6spd. Auto

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