Audi A4 The Audi A4 model offers nimble handling and performance that makes it one of the leading cars in its class. Read more about the Audi A4 in the Audi A4 review.
Sponsored by:
Sponsored by:

can clogged fuel filter cause a car to run rich?

Thread Tools
 
Search this Thread
 
  #1  
Old 06-28-2006, 03:16 PM
rnbguy's Avatar
1st Gear
Thread Starter
Join Date: Feb 2005
Location:
Posts: 341
Default can clogged fuel filter cause a car to run rich?

hmmm?
 
  #2  
Old 06-28-2006, 03:18 PM
onepoint8tee's Avatar
Site Moderator
Join Date: Sep 2005
Posts: 13,665
Default RE: can clogged fuel filter cause a car to run rich?

Maybe lean but not rich.
 
  #3  
Old 06-28-2006, 04:33 PM
Join Date: Dec 2005
Location: New Canaan, CT
Posts: 771
Default RE: can clogged fuel filter cause a car to run rich?

^^^ precisely
 
  #4  
Old 06-28-2006, 06:19 PM
wood_e's Avatar
3rd Gear
Join Date: Feb 2006
Location: Ames, IA
Posts: 1,764
Default RE: can clogged fuel filter cause a car to run rich?

If its clogged your car may not be getting good fuel pressure, this will cause the car to run lean. If you are indeed running rich your fuel pressure may be higher than normal. I suggest that you check the pressure.
 
  #5  
Old 06-28-2006, 06:24 PM
Join Date: Apr 2006
Posts: 42
Default RE: can clogged fuel filter cause a car to run rich?

a bad maf would make you run rich also a bad o2 sensor or bad timing
 
  #6  
Old 06-29-2006, 12:49 AM
LarryInPA's Avatar
1st Gear
Join Date: Feb 2006
Posts: 20
Default RE: can clogged fuel filter cause a car to run rich?

Check your air filter, too. The computer will prevent a clogged air filter from creating a rich fuel condition, but performance will be restricted.
 
  #7  
Old 06-29-2006, 10:00 AM
david9999's Avatar
4th Gear
Join Date: Jul 2004
Posts: 4,354
Default RE: can clogged fuel filter cause a car to run rich?

Run a vagcom and pull the codes.

Could be anything from bad oxygen sensor, leaky fuel injectors, MAF, fouled plugs, very dirty air filter, etc.

How do you know you are running rich?
 
  #8  
Old 06-29-2006, 04:14 PM
acetrebo's Avatar
4th Gear
Join Date: Nov 2005
Location: Columbus Ohio
Posts: 3,393
Default RE: can clogged fuel filter cause a car to run rich?

bump,

rich condition should generate codes. Why do you think its running rich? What codes are you getting?
 
  #9  
Old 06-29-2006, 04:24 PM
Join Date: Nov 2005
Location:
Posts: 12,826
Default RE: can clogged fuel filter cause a car to run rich?

im for that, wow no avevor makes me wonder if I already answered this get your fingers out otherwise ill put my own back on

[IMG]local://upfiles/12092/CD6D86C2383A4E8B85DB1EBFEB06D035.jpg[/IMG]
 
  #10  
Old 06-29-2006, 04:28 PM
Join Date: Nov 2005
Location:
Posts: 12,826
Default RE: can clogged fuel filter cause a car to run rich?

its back till you get a better one
 


Quick Reply: can clogged fuel filter cause a car to run rich?



All times are GMT -4. The time now is 04:26 AM.