2003 Chevy Impala

Tiny
MTHALER54
  • MEMBER
  • 2003 CHEVROLET IMPALA
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 70,000 MILES
I am losing power what should the fuel pressure be? I checked vacumm 19-21" fuel pressure 45-50 psi temp across cat 100 degree rise at idling. Engine runs smooth but not much power to accelerate with.
Do you
have the same problem?
Yes
No
Sunday, October 24th, 2010 AT 2:13 PM

5 Replies

Tiny
BRYANCFERNANDO
  • MEMBER
46 psi calls for 52 to 59psi
Was this
answer
helpful?
Yes
No
Sunday, November 14th, 2010 AT 4:49 AM
Tiny
BRYANCFERNANDO
  • MEMBER
Also if your not getting power off the line it might be your trany.
Was this
answer
helpful?
Yes
No
Sunday, November 14th, 2010 AT 4:50 AM
Tiny
BRYANCFERNANDO
  • MEMBER
My soulation to not have the power when I needed it was a superchager, and full K&N, with 4inch dual exhust kit kick my porwer out of the roof!
Was this
answer
helpful?
Yes
No
Sunday, November 14th, 2010 AT 4:52 AM
Tiny
BRYANCFERNANDO
  • MEMBER
Also I found out that if you punch it at around 35 miles an hour it Will yank and go!
Was this
answer
helpful?
Yes
No
Sunday, November 14th, 2010 AT 4:53 AM
Tiny
MTHALER54
  • MEMBER
It was a clogged catalytic converter
Was this
answer
helpful?
Yes
No
Sunday, November 14th, 2010 AT 1:09 PM

Please login or register to post a reply.

Recommended Guides