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1990 Ford Aerostar fuel filter

Tiny
CALEB4115
  • MEMBER
  • 1990 FORD AEROSTAR
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 105,000 MILES
My van was doing just fine, then I did a routine fuel filter change and now it seems to stutter. It idles fine, when I am leaving the parking lot without giving it gas it seems to run a bit rough. Mellows out when accelerate, and then gets a heavier stutter around 45-70. I don't see or smell gas. I reset the inertia switch. I did add injector cleaner and a full tank of gas. I've only put about 50 miles on it since. I'm thinking a leak somewhere, what do you think? Thanks in advance for your help.
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Monday, June 28th, 2010 AT 4:26 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,289 POSTS
Hi:
I would think you would smell fuel if there was a leak. Have you checked for vacuum leaks? Has the check engine light come on? Have you checked fuel pump pressure?

Here is a how to for checking fuel pump pressure. You will need a fuel pressure gauge. Most parts stores will lend or rent them to you and then return the money when you return the part. Check pressure and let me know what you find.

https://www.2carpros.com/how_to/how_to_check_fuel_pressure.htm

Joe
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Tuesday, June 29th, 2010 AT 11:35 PM
Tiny
CALEB4115
  • MEMBER
  • 2 POSTS
Thanks Joe, I'll go to the parts store tomorrow and rent one. Engine light, no. I'll ask the store about vacuum testing as well. That's where I was heading when I thought a leak. Not fuel but vacuum leak. Thanks again I let you know tomorrow.
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Wednesday, June 30th, 2010 AT 12:29 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,289 POSTS
Let me know what you find. If you have other questions, let me know.

Joe
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Wednesday, June 30th, 2010 AT 11:23 PM

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