Hi all.
I've searched and searched and can't find an end to my misfire problem.
All the coils have been replaced, all the spark plugs, and I finally took it to the dealer and they said I need a new intake flap motor.
I will always try to do things myself first, but i can barely find a single thing on an intake flap motor (for a 2002 3l V6 A4) and can't find anything in the bentley/eBahn repair program or on google.
Is it called anything else?
Any help would be appreciated so much.
I've searched and searched and can't find an end to my misfire problem.
All the coils have been replaced, all the spark plugs, and I finally took it to the dealer and they said I need a new intake flap motor.
I will always try to do things myself first, but i can barely find a single thing on an intake flap motor (for a 2002 3l V6 A4) and can't find anything in the bentley/eBahn repair program or on google.
Is it called anything else?
Any help would be appreciated so much.
1st Gear
Are you sure the dealer said it was "Intake flap motor"?
I think they are talking about the "Intake change-over valve" in intake manifold runner of your 3.0L engine. If this valve is sticky or broken apart inside, it will cause lack of power and misfire under acceleration (especially around 4200 rpm or more) The car will most likely idle very normal and run ok at steady speed.
I think they are talking about the "Intake change-over valve" in intake manifold runner of your 3.0L engine. If this valve is sticky or broken apart inside, it will cause lack of power and misfire under acceleration (especially around 4200 rpm or more) The car will most likely idle very normal and run ok at steady speed.
Quote:
I think they are talking about the "Intake change-over valve" in intake manifold runner of your 3.0L engine. If this valve is sticky or broken apart inside, it will cause lack of power and misfire under acceleration (especially around 4200 rpm or more) The car will most likely idle very normal and run ok at steady speed.
Positive he said intake flap motor, and it is even written. The car doesn't idle very well, it vibrates as if it is misfiring even at a fresh start.Originally Posted by treelimb
Are you sure the dealer said it was "Intake flap motor"?I think they are talking about the "Intake change-over valve" in intake manifold runner of your 3.0L engine. If this valve is sticky or broken apart inside, it will cause lack of power and misfire under acceleration (especially around 4200 rpm or more) The car will most likely idle very normal and run ok at steady speed.
I am thinking about replacing the changeover valve anyway, as the plastic is very worn down and it is missing a spring that exists in the exploded view of the repair guide.
4th Gear
Air Intake... Some airboxes have a flapper that opens/closes during acceleration.
www.audizine.com/forum/showthread.php?t=278253
forums.vwvortex.com/zerothread?id=4332376
www.audizine.com/forum/showthread.php?t=278253
forums.vwvortex.com/zerothread?id=4332376
2nd Gear
Misfires occur because of one of three reasons.
No spark
OR
No fuel
OR
No air
Check fuel filter
Air filter
And anything else that has to do with sending spar, fuel and air to your engine.
No spark
OR
No fuel
OR
No air
Check fuel filter
Air filter
And anything else that has to do with sending spar, fuel and air to your engine.
Quote:
www.audizine.com/forum/showthread.php?t=278253
forums.vwvortex.com/zerothread?id=4332376
I saw this before, and it seems to be applicable only to 05+s and some 04s, so I don't think that it exists on my 02.Originally Posted by Midniteoyl
Air Intake... Some airboxes have a flapper that opens/closes during acceleration.www.audizine.com/forum/showthread.php?t=278253
forums.vwvortex.com/zerothread?id=4332376
In that case, i'm thinking this may not even exist on my car and that the mechanic either misspoke or isn't as trustworthy as I thought.
Quote:
No spark
OR
No fuel
OR
No air
Check fuel filter
Air filter
And anything else that has to do with sending spar, fuel and air to your engine.
Yes, I understand that, and this could be due to air, no? The question I had was what the Intake Flapper Motor was and where I could find it on my 02 3.0, or if it even exists on that model.Originally Posted by Pablo_Ottawa
Misfires occur because of one of three reasons.No spark
OR
No fuel
OR
No air
Check fuel filter
Air filter
And anything else that has to do with sending spar, fuel and air to your engine.
2nd Gear
Dammm. Sorry dude, I have no clue but I'll bet there is someone here who does 
4th Gear
Quote:
Quote:
Originally Posted by Midniteoyl
Air Intake... Some airboxes have a flapper that opens/closes during acceleration.
www.audizine.com/forum/showthread.php?t=278253
forums.vwvortex.com/zerothread?id=4332376
I saw this before, and it seems to be applicable only to 05+s and some 04s, so I don't think that it exists on my 02.
In that case, i'm thinking this may not even exist on my car and that the mechanic either misspoke or isn't as trustworthy as I thought.
Sorry... thought it back to '02.Quote:
Originally Posted by Midniteoyl
Air Intake... Some airboxes have a flapper that opens/closes during acceleration.
www.audizine.com/forum/showthread.php?t=278253
forums.vwvortex.com/zerothread?id=4332376
I saw this before, and it seems to be applicable only to 05+s and some 04s, so I don't think that it exists on my 02.
In that case, i'm thinking this may not even exist on my car and that the mechanic either misspoke or isn't as trustworthy as I thought.
1st Gear
Quote:
I am thinking about replacing the changeover valve anyway, as the plastic is very worn down and it is missing a spring that exists in the exploded view of the repair guide.
Originally Posted by jsoverson
Positive he said intake flap motor, and it is even written. The car doesn't idle very well, it vibrates as if it is misfiring even at a fresh start.I am thinking about replacing the changeover valve anyway, as the plastic is very worn down and it is missing a spring that exists in the exploded view of the repair guide.
I think you need to talk to your mechanic (Not service advisor) to comfirm about the "intake flap motor" on your 3.0L A4 because it doesn't have it.
If you did go that far to see the missing spring in the change-over valve, you may see it may be broken apart. Make sure no borken piece stays in the intake after replacing the change-over valve.