'90 100 i5 rough idle /surge..

-0000-NH · 07-10-2007, 12:48 PM

just recently started.
idle adjust?
dirty tb?
dirty air sensor?

plugs look ok
needs oil change soon.. oil flush?

rooster 2 · 07-10-2007, 05:30 PM

suspect it may need an oxygen sensor. I bet it has been a long time since the sensor was replaced.

-0000-NH · 07-10-2007, 06:46 PM

..and the nearest audi dealer is quite a drive.

i suppose we could go to Autozone and see if they can plug in...

MrGoodbytes · 07-10-2007, 09:19 PM

Most FLAPS can only read domestic OBDI

Try here for reading your own codes:

http://www.sjmautotechnik.com/troubl...g/100ecuf.html

geefunck88 · 07-11-2007, 05:14 AM

i made a code reader with an led and a few extra pieces of wire. costs about 3 bucks for the resistor and an led. look at sjm website. they show you how to make it and how to use it. the led flashes out the numbers to make up the code. for example two flashes = number 2

-0000-NH · 07-11-2007, 05:33 AM

07-10-2007, 05:30 PM	#2
rooster 2 AudiWorld Senior Member Garage is empty, add now Join Date: Jan 2003 Posts: 1,977	pull the diagnostic codes............ suspect it may need an oxygen sensor. I bet it has been a long time since the sensor was replaced.

07-10-2007, 06:46 PM	#3
-0000-NH New Member Garage is empty, add now Join Date: May 2007 Posts: 383	I dont know anyone with a reader.. ..and the nearest audi dealer is quite a drive. i suppose we could go to Autozone and see if they can plug in... __________________ ================================================== ============ Never take life seriously... Nobody gets out alive anyway. Hi, Im Sean, Im from Rochester, NH and I have too many ideas for my own good. Thank you. applause '86 4000cs quattro CE Alpine White / Red Leather working toward 100% working OEM cond. then... ice racing? Eulia needed list passenger seat slide rail plastic "stop" passenger seat slide rail plastic cover driver side upper headlight trim turbo engine light-grey "oh-***" handles screw for glovebox hinge to lower dash steering column cover screws power antennae door "open" switch rubber thing turbo engine dash gauge frame (both screw points cracked) cast power steering pump mount door lock catch pins - all 4 (or just the plastic sleeves, if replacable) turbo engine interior door handle bezel srew covers driver side headlight aiming screw assembly visor clip flimsy plastic rain cover for hvac mud flaps turbo engine available* complete AC system except for evaporator (missing) ...... '92 Isuzu Amigo XS (extremely sexy) Black/grey fuzzy stuff currently undergoing drivetrain & suspension upgrades..

07-10-2007, 09:19 PM	#4
MrGoodbytes AudiWorld Super User Garage is empty, add now Join Date: Oct 2006 Posts: 2,469	Re: I dont know anyone with a reader.. Most FLAPS can only read domestic OBDI Try here for reading your own codes: http://www.sjmautotechnik.com/troubl...g/100ecuf.html __________________ ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯2000 A4 2.8 quattro [ Tip \| Sport \| Xenon ]¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

07-11-2007, 05:14 AM	#5
geefunck88 New Member Garage is empty, add now Join Date: Feb 2007 Posts: 61	Re: '90 100 i5 rough idle /surge.. i made a code reader with an led and a few extra pieces of wire. costs about 3 bucks for the resistor and an led. look at sjm website. they show you how to make it and how to use it. the led flashes out the numbers to make up the code. for example two flashes = number 2

07-11-2007, 05:33 AM	#6
-0000-NH New Member Garage is empty, add now Join Date: May 2007 Posts: 383	oh neat.. ill try that tonight __________________ ================================================== ============ Never take life seriously... Nobody gets out alive anyway. Hi, Im Sean, Im from Rochester, NH and I have too many ideas for my own good. Thank you. applause '86 4000cs quattro CE Alpine White / Red Leather working toward 100% working OEM cond. then... ice racing? Eulia needed list passenger seat slide rail plastic "stop" passenger seat slide rail plastic cover driver side upper headlight trim turbo engine light-grey "oh-***" handles screw for glovebox hinge to lower dash steering column cover screws power antennae door "open" switch rubber thing turbo engine dash gauge frame (both screw points cracked) cast power steering pump mount door lock catch pins - all 4 (or just the plastic sleeves, if replacable) turbo engine interior door handle bezel srew covers driver side headlight aiming screw assembly visor clip flimsy plastic rain cover for hvac mud flaps turbo engine available* complete AC system except for evaporator (missing) ...... '92 Isuzu Amigo XS (extremely sexy) Black/grey fuzzy stuff currently undergoing drivetrain & suspension upgrades..

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