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Fuel pump going?

Posted By: Necrophagist On: 12-30-2007 @ 01:36:53         Reply | Edit

So the RS is having some issues. It stalls real bad on cold start, and I have to give it gas to keep it going. It occasionally pops and sputters on cold start as well, as if it's starved for fuel. I can't just start it up and go even when it just came off the road. It's extremely sluggish at low RPMs, and I have to mash it to get it going. It behaves much better after a few minutes on the road. There's also a slight misfire on the interstate. Lastly, if I let it drop to around a quarter-tank, it dies while braking (coming to a light, etc.).

Everyone tells me it's fuel related, and the pump has been suggested more than once. The fuel filter is only about 18 months old, while the pump is original.

Which brings me to this... how the Hell do I check the fuel pressure on a TBI? I know that the gauge has to go in the line, but where? And do I need a special tester?

Edit: This all started on the way home from havng a stereo installed at Best Buy. I know it's unlikely, but I can't help but wonder about that.

Any suggestions would be greatly appreciated.


--
'90 RS 305tbi/A4 beater - 4th gen seats, '78 "turbine-style" wheels... 222k and counting.
'87 IROC 350tpi/A4 - custom interior, a few mods, rebuild in the works.
[ Edited on 10/23/2007 @ 01:41:53 ]
Posted By: Calaban007 On: 10-24-2007 @ 09:50:56     Reply | Top | Edit
I'm not sure, you may want to check out www.Thirdgen.org
--

1995 Camaro Z28 & 1989 IROC-Z Stock restoration in progress, well almost stock
http://www.myspace.com/163296073
Posted By: Necrophagist On: 10-24-2007 @ 10:38:14     Reply | Top | Edit
I would, but it won't load for me.
--
'90 RS 305tbi/A4 beater - 4th gen seats, '78 "turbine-style" wheels... 222k and counting.
'87 IROC 350tpi/A4 - custom interior, a few mods, rebuild in the works.
Posted By: Calaban007 On: 10-24-2007 @ 11:02:55     Reply | Top | Edit
Here's a straight link to the forums.

http://www.thirdgen.org/techboard/?s=51e99a15ae6f0d6e5b334a858ba123d1&

I wonder why it won't load for you.
--

1995 Camaro Z28 & 1989 IROC-Z Stock restoration in progress, well almost stock
http://www.myspace.com/163296073
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