1994 Dodge Ram engine stalls on my work truck

23,500 MILES • V8 • 2WD • AUTOMATIC
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KMK69
  • MEMBER
  • 1 POST
My ram truck will start and idle rough and eventually the engine will drop RPM's and stall out. I have change the cap and rotor and also went through the spark plugs and wiring...That's OK. I have check the fuel pressure and it was 27psi when the key is turn on and 12psi at idle, so I change the fuel pump and still have the same problem. With the engine idling rough and engine stalling out. I also looked at vacuum lines and did not see anything out of place. Now when you press the brake pedal down it will stall the engine quickly. It's maybe a sensor but I not sure where to start.
Jul 27, 2010 at 2:49 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
The last thing you mentioned, brakes, leads me to believe that you either have a bad brake booster or the hose going to it is bad. Have you vacuum tested the booster to see if it holds vacuum?

Let me know.
Joe
Jul 27, 2010 at 2:13 PM
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