Was driving home and the truck just shut off?

Tiny
GAMECOCK1
  • MEMBER
  • 1998 DODGE RAM
My son has a 98 dodge ram 1500, and was driving home and the truck just shut off on the interstate. Have checked started, battery and all fuses and relays and all check out good, fuel pump is also good. Does anyone have any ideas as to what this may be or what to check?
Monday, May 11th, 2009 AT 7:23 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 110,182 POSTS
Are you sure you are getting both fuel and spark to the engine?
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Tuesday, May 12th, 2009 AT 7:42 AM
Tiny
GAMECOCK1
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  • 2 POSTS
I am not sure, I hear fuel pump come on. How do I check to see if spark is coming to engine.
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Tuesday, May 12th, 2009 AT 1:01 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 110,182 POSTS
Take a good spark plug (it could be from your lawn mower) and remove one of the spark plug wires from the engine. Plug it into the extra plug and lay the steel part of the plug on a steel part of the engine so it grounds. Now have a helper crank the engine while you watch the end of the spark plug for spark. You should be able to see it. If it is strong, it will be blue in color. Orange /white is a weak spark.

Let me know if you have other questions, and here is a how to video for checking for fuel pressure. You hear the pump, but who knows what it is producing.

https://www.2carpros.com/dia/test_fuel_pressure.htm

Let me know what you find.

Joe
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Tuesday, May 12th, 2009 AT 1:40 PM

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