2002 Mercury Marquis fuel problem

Tiny
FUQUA51
  • MEMBER
  • 2002 MERCURY MARQUIS
  • 112,000 MILES
I have a 2002 mercury grand marquis and it runs good except when I am up to around 50 mph at a steady speed it goes to jerking like I am running out of gas and I let up off the gas a little it stops and when I hold that speed again it repeats its self
Sunday, August 18th, 2013 AT 3:35 PM

3 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Have you tried unhooking the egr valve to see if the problem goes away?
Was this
answer
helpful?
Yes
No
Sunday, August 18th, 2013 AT 3:41 PM
Tiny
FUQUA51
  • MEMBER
  • 7 POSTS
I have not just unhook it, but I replace it with a new one and the same results occurred. I replace fuel filter it stop for a couple days and started back
Was this
answer
helpful?
Yes
No
Monday, August 19th, 2013 AT 4:48 AM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Try just hooking the egr valve leaving it in place and see how it runs?Also is it worse with the ac on?Any codes in the computer?
Was this
answer
helpful?
Yes
No
Monday, August 19th, 2013 AT 10:14 AM

Please login or register to post a reply.

Related General Content

GUIDE
Inquire Here