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Engine shutting down while driving

Tiny
JACKDCALHOUN
  • MEMBER
  • 1997 GMC SAVANA
  • 5.0L
  • V8
  • RWD
  • AUTOMATIC
  • 204,000 MILES
Van will hesitate/stop at intersections appears rpm is dropping. At INTERSTATE SPEEDS it will sometimes just shut off all gauges light up if I floor it the van will refire & drive fine for 10 more miles. Sometimes I have to put van in neutral & restart going 70 MPH. When van shuts down there is a heavy shutter effect like running over some 2 -3 pieces of wood?
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Thursday, March 24th, 2016 AT 6:40 PM

3 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Scan for codes and check fuel pressure with agauge auto parts rent gauge shold be 60 66 psi key on only if lower pump may be bad
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Friday, March 25th, 2016 AT 7:15 AM
Tiny
JACKDCALHOUN
  • MEMBER
  • 2 POSTS
I have had the codes scanned only shows a oxygen sensor? Bad in the catalytic converter/ exhaust. Could the fuel filter be my problem? I can hear the fuel pump come on when I prepare to start the motor.
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Friday, March 25th, 2016 AT 10:42 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
What is pressure until you know that and give me the code you got I can't do much for you
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Friday, March 25th, 2016 AT 10:53 AM

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