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  #1  
Old 06-28-2006, 03:16 PM
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Default can clogged fuel filter cause a car to run rich?

hmmm?
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  #2  
Old 06-28-2006, 03:18 PM
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Default RE: can clogged fuel filter cause a car to run rich?

Maybe lean but not rich.
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Old 06-28-2006, 04:33 PM
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Default RE: can clogged fuel filter cause a car to run rich?

^^^ precisely
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Old 06-28-2006, 06:19 PM
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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.
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  #5  
Old 06-28-2006, 06:24 PM
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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
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  #6  
Old 06-29-2006, 12:49 AM
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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.
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  #7  
Old 06-29-2006, 10:00 AM
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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?
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Old 06-29-2006, 04:14 PM
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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?
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  #9  
Old 06-29-2006, 04:24 PM
 
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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]
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  #10  
Old 06-29-2006, 04:28 PM
 
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Default RE: can clogged fuel filter cause a car to run rich?

its back till you get a better one
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  #11  
Old 06-29-2006, 04:32 PM
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Default RE: can clogged fuel filter cause a car to run rich?

im getting an error saying rich mixture (add) exceeded... i cleared it and played with a few adaptation settings hopefully itll fix it, i wish vag on my car showed me the a/f mixture
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1997 AUDI A4 1.8T AEB engine
MODIFIED HEADLIGHTS
18" A8 wheels
pod filter with cai setup
HID Conv KIT
TT DV
TT N75
neuspeed chip
dumped
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  #12  
Old 06-29-2006, 04:35 PM
 
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Default RE: can clogged fuel filter cause a car to run rich?

what upgrades have you made to the fuel injection?? have you changed the fuel regulator?? if so what is it
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  #13  
Old 06-29-2006, 04:40 PM
 
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Default RE: can clogged fuel filter cause a car to run rich?

your Sig doesnt mention any upgrades in this area??
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  #14  
Old 06-29-2006, 04:40 PM
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Default RE: can clogged fuel filter cause a car to run rich?

no mods to fuel injections at all... i was going to but with car running rich there is no point
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1997 AUDI A4 1.8T AEB engine
MODIFIED HEADLIGHTS
18" A8 wheels
pod filter with cai setup
HID Conv KIT
TT DV
TT N75
neuspeed chip
dumped
Reply With Quote
  #15  
Old 06-29-2006, 04:43 PM
 
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Default RE: can clogged fuel filter cause a car to run rich?

so any fault codes?? is the CEL on?? why do you think its running expensive??
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  #16  
Old 06-29-2006, 04:45 PM
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Default RE: can clogged fuel filter cause a car to run rich?

lol it returned that error code, mixture (add) max exceeded

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1997 AUDI A4 1.8T AEB engine
MODIFIED HEADLIGHTS
18" A8 wheels
pod filter with cai setup
HID Conv KIT
TT DV
TT N75
neuspeed chip
dumped
Reply With Quote
  #17  
Old 06-29-2006, 11:43 PM
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Default RE: can clogged fuel filter cause a car to run rich?

P1137
17545
Bank 1, mixture adaptation (add.)

System too rich
- Check oxygen sensor
- Check Evaporative Emission (EVAP) canister purge regulator valve Page 24-107

Could also be MAF

What was the actual code number?
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  #18  
Old 07-01-2006, 03:17 PM
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Default RE: can clogged fuel filter cause a car to run rich?

okay heres what ive noticed, car is def rich as plugs are of rich color...

and when idling and having the air blower (not a/c) on i smell fuel fumes comming into the car???

come to think of it this happened when i changed the rocket valve covers im wondering if i disconnected anything from instructions i forgot to reconnect :P or bumped one of the lines, bcuz the anoying things kept getting the way of taking off the cover
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1997 AUDI A4 1.8T AEB engine
MODIFIED HEADLIGHTS
18" A8 wheels
pod filter with cai setup
HID Conv KIT
TT DV
TT N75
neuspeed chip
dumped
Reply With Quote
Old 07-01-2006, 03:17 PM
 
 
 
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