1997 Lincoln Continental Cyl 5 miss. Bank 2 lean

Tiny
SNOSAINT
  • MEMBER
  • 1997 LINCOLN CONTINENTAL
  • 4.6L
  • V8
  • FWD
  • AUTOMATIC
  • 157,000 MILES
Had a miss develop. Code Reader identified cylinder 5 -which is in bank 2- and indicated bank 2 is running lean.
Have not been able to get rid of it. The check engine light starts blinking with 3 miles of a reset and when later checked only shows the same 2 codes. Here is what we have tried:

I first tried pulling plugs and checking gaps. -No issues found.
A test of the plug wire indicated it may be the problem so it was replaced. -Was better but not solved.
Swapped the 2 coil packs. No change.
Replaced the fuel injector- got better but eventually returned to pre replacement in gear idle shudder.
Cleaned the mass airflow sensor.
Visually checked for possible vacuum leaks.

Anyone have any other ideas?

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Tuesday, March 17th, 2015 AT 5:04 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • EXPERT
What code are you getting? Also, have you checked fuel pump pressure as well as the pressure regulator?

http://www.2carpros.com/articles/fuel-pump-pressure-and-regulator-test-video-all-cars
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Tuesday, March 17th, 2015 AT 6:08 PM
Tiny
SNOSAINT
  • MEMBER
Have not checked fuel pump pressure. Thought about it, but if the pump pressure was an issue it would affect all cyls and both banks 1 & bank 2.
P0305 P0174 if I remember correctly.
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Tuesday, March 17th, 2015 AT 6:43 PM
Tiny
JACOBANDNICKOLAS
  • EXPERT
It could have an affect on one.
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Thursday, March 19th, 2015 AT 8:43 AM

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