Chevy Blazer 1999 Fuel Pump Replacement

Tiny
JENNIFERSIMPSON
  • MEMBER
  • 1999 CHEVROLET BLAZER
We just had the fuel pump replaced and the mileage has dropped 25-50%. We used to get 280 miles per tank and now getting 180.

What's going on?
Tuesday, October 30th, 2007 AT 11:30 AM

1 Reply

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Might have a blown fuel pressure regulator. Install a manual press gauge, should be 60-66 lbs at idle and should jump up a few lbs when the engine is revved, if it doesnt move when you rev, the reg is popped, or if it higher than spec it is most likely the reg
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
Tuesday, October 30th, 2007 AT 11:46 AM

Please login or register to post a reply.

Related Fuel System Fuel Pump Replace/Remove Content

Fuel Pump Replacement
GUIDE
Fuel Pump Replacement
When a fuel pump goes out it can do so one of two ways either it can quit and stop working or it can fail intermittently causing the engine to stall or not start.
VIEW MORE

Sponsored links