SPONSORED LINKS

1998 Chevy Silverado Fuel Pressure

Tiny
BROBBINS100
  • MEMBER
  • 1998 CHEVROLET SILVERADO
  • V8
  • 4WD
  • AUTOMATIC
  • 162,000 MILES
What Could Cause Low Fuel Pressure besides a bad fuel pump or low voltage. I only have thirty pounds at idle and twenty pounds at fuel throttle.
Friday, July 17th, 2009 AT 1:14 PM

4 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Maybe faulty pressure regulator. On fuel rail little silver can with hose. Remove hose pressure should rise. If not then pump faulty.
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
-2
Friday, July 17th, 2009 AT 1:28 PM
Tiny
BROBBINS100
  • MEMBER
  • 10 POSTS
Ok. I thought the fuel pressure regulator was on the side of the spider injectors? Also what is normal operating pressure for it? Shouldnt it not drop less than fourty no more then fifty?
Was this
answer
helpful?
Yes
No
-1
Friday, July 17th, 2009 AT 1:31 PM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
60-66 psi engine is it 5.0L?
Was this
answer
helpful?
Yes
No
Friday, July 17th, 2009 AT 3:08 PM
Tiny
BROBBINS100
  • MEMBER
  • 10 POSTS
It Is A 5.7L.
Was this
answer
helpful?
Yes
No
Saturday, July 18th, 2009 AT 4:49 PM

Please login or register to post a reply.

Related Fuel Pressure Content

Fuel Pump Pressure Test
VIDEO
Fuel Pump Pressure Test
Instructional repair video
VIEW MORE

Sponsored links