[s-cars] Fuel Injectors ultra-sonically Cleaned
theringmeister at triad.rr.com
theringmeister at triad.rr.com
Mon Apr 14 09:04:21 PDT 2008
I have to reply to this, if for no other reason than the 2 previous posts were made by fellow Realtors.... 8^)
--
Wylie Bean
Broker/Owner
Aspenwood Realtors
Greensboro NC (still with steadily increasing property values!)
and
Wylie Bean
TheRingmeister at triad.rr.com
90 cq
91 90q20v sport
92 UrS4
01 allroad
---- Devon <devon at 1remax.com> wrote:
> Nathan,
> You have too much free time on your hands. Very industrious of you "das
> motor" head.
>
> Devon T. James
> RE/MAX MUTUAL Realty
> Senior Broker Associate
> Voice & Fax: 206-515-1771
> www.1remax.com
>
> _____
>
> From: Nathan Belo [mailto:nathan at license2sell.com]
> Sent: Sunday, April 13, 2008 3:30 PM
> To: northwest Audi Enthusiasts
> Cc: s-car-list at audifans.com; Eric Marr
> Subject: Fuel Injectors ultra-sonically Cleaned
>
> I had a misfire due to a bad #3 coil, so I bought the coil ($149.85) from
> Scott Mockry after using his advice to diagnose said misfire
> http://www.sjmautotechnik.com/trouble_shooting/S4_Ignition.htm . This is
> the 4th time I've had a misfire since 89K miles when I bought the car in
> 2000. First 2 times was a bad Power Output Stage (POS/ignition control
> module), last 2 times #4 coil & now #3 coil. I had 204,500 miles so I put
> in 5 new Bosch F5DPOR plugs ($13.75 ea.) in while I was at it. To install
> the new coil we (my high school buddy, Curtis of CMarr Automotive helped me)
> cut the wire under the coil cover & soldered the wire & shrink-wrapped it
> using a mini-butane torch (creme brulee anyone?). Since the OEM coil lasted
> 204,500 miles I'd rather stay with the OEM set-up rather than mess with
> cheaper $35/piece coils from a 1.8T & have to run without the coil cover &
> not know how long the coils will last?
>
> I also got the notice in the mail that my license plate was expiring in May
> & that I needed an emission test so I figured why not get the fuel injectors
> with 204,722 miles ultra-sonically cleaned. Eliot Lim recommended the BG
> vacuum system carbon clean service ($279)
> http://www.bgprod.com/products/fuelair.html at the local dealer, University
> Audi, but I declined since it left the injectors on the car, which meant the
> old deteriorating seals & o-rings would be still be deteriorating on the car
> (see pictures). So I began my investigation on where to get my injectors
> cleaned. I located 2 local firms: http://www.docinjector.com/
> http://www.witchhunter.com/index.php4 I went with Doctor Injector in
> Renton on advice of CMarr Automotive (710 S. Jackson, Seattle, WA
> 206-405-4402) that used them & was charged $23 ea. (supposedly wholesale
> price, told him I was from the Audi Club & a referral from CMarr). I picked
> Dr. Injector because I could have my plugs back the same day & watch the
> process. Witchhunter wanted $18 for the service ($5 cheaper) but would need
> the plugs for 2-3 days & I couldn't watch the process. Some firms just swap
> out the plugs with already cleaned ones they have on stock.
>
> The manager, Art Pipkin, of Dr. Injector Renton was very friendly and a
> go-kart racer labeled each injector because I gave him the order they came
> out of the engine. When I pulled out #5 injector the pintle cap broke off
> fortunately it didn't fall in the chamber (see picture). There are 4 holes
> under the pintle caps and during the spray test I could see that some were
> clogged with only 2 holes functioning (Hmmm, I wonder what that does for my
> gas mileage & hp with expensive cost of gas?). Art said Techron & other
> cleaners only maintain an already clean injector & the only way to remove
> the hard deposits is via ultra-sonic cleaning. Here's the slide show:
> http://s242.photobucket.com/albums/ff107/belikeh20/Fuel%20Injectors/
>
> Test A Injector Test before cleaning: (40 PSI pressure setting)
> Injector# OHMS Voltage-Drop Flow-Rate
> 1 15.8 7.94 65ml
> 2 " 7.89 66ml
> 3 " 7.90 "
> 4 15.9 7.93 "
> 5 15.8 7.90 "
>
> Test B Injector Test After cleaning: (Comments: Cleaned & Flow matched)
> Injector # Flow-Rate
> Flow-Rate-Increase
> 1 72ml
> 10.8%
> 2 72ml
> 9.1%
> 3 73ml
> 10.6%
> 4 72ml
> 9.1%
> 5 72ml
> 9.1%
>
> Car runs really smooth now. While testing I got a speeding ticket 57 in a
> 40mph on HWY 99 North just after the Aurora Bridge. Passed emissions & paid
> my $54 for license renewal ($3 filing fee, $13 RTA Tax, $38 Gross Weight Fee
> for commercial/truck plates). Some may ask why not go RS2 turbo &
> injectors...well I have a '05 Ducati M1000s for speed & it gets 45mpg & is
> more fun on the track.
>
> Nathan Belo
> Seattle, WA
> '92 Pearl/Ecru //S4 IAIII+, CGR 6-spd, 2B BR brakes, 17x8 Ronal R38, RED
> Samco hoses, 710n BPV
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