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1994 Dodge Ram 2500

Question: Engine miss

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BUNOG, 5.9L V8, Dalton, PA, August 08, 2009, 17:13

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1988 Dodge truck, 360ci, 4 speed manual. Problem - the engine cuts out (miss) at about 4200 rpm. I replaced the distributor cap and rotor - no change. Then replaced the ignition coil - no change. Plugs and wires have less than 1000 miles. What is causing the cut out problem? It almost sounds like a engine kill switch when it cuts out.

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• Answer #1

  backyard tech August 09, 2009, 06:30
  

   Master

  Are you getting to 4200 rpm without a load? In other word just setting there in nuetral. If so, that is called a rev limiter. It's designed to cut out so you don't over rev the eng.
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  BUNOG, August 09, 2009, 11:36
  

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  Thanks for the answer. My truck does not have a rev limiter or a kill switch (roll over switch). 4200 rpm would be too low for a rev limiter. The engine miss happens at no load and at load.
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  backyard tech, August 09, 2009, 14:47
  

   Master

  You are wrong, All fuel injected vehicles have rev limiter. No, dodge does not have a "rollover switch". No 4200 rpm's is high. Most are at 3000 to 3500. How long have you been a PROFESSIONAL AUTOMOTIVE TECHNICIAN? Me just 38 years!
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  BUNOG, August 09, 2009, 16:17
  

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  Thanks again for your response. My truck engine has a throttle body. The company that rebuilt my engine and a local dodge dealer told me that my truck engine does not have a rev limiter. Do you
  have another solution?
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  backyard tech, August 09, 2009, 18:50
  

   Master

  No just keep shooting parts at it. You will eventually fix. You already seem to know EVERYTHING.
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