[Chris Stewart]

CPI fuel line replacement, thanks Barrett & Jim in Phoenix (Post #1)
I thought I'd paste this post from VMag Bravada before they burn out altogether.

Re: CPI fuel line replacement for '91 to '94 Bravada ...Hey Barret
: Yes, there will come a time, when I replaced my CPI, the incoming fuel line snapped off when I pulled it out of the old CPI b/c it was so brittle. Glad I had a new kit there. The screw that holds that plate to the intake is tricky, I agree as well! Mine was a little bit difficult to get both of the fittings inside the wall of the intake all the way, guess it was machined just a very tiny bit small. : Are you putting that screen on the intake side or the EGR side of the gasket? Just curious, I think I will try that as well, I am getting a little bit of a rough idle and I haven't cleaned the EGR since December.I suspect he's putting the screen on without loosening the gasket so if the gasket is stuck to the intake the screen will go between the EGR valve and the gasket. If the gasket is loose then whatever you choose will be ok. Because we're dealing with soot, it'll seal itself is there's a fair seal to begin with...I'm waiting for mine to fail so I can use the faucet screen too.: : I just did the fuel lines on my 94 and you got it right Chris, that clamp screw is tricky. The part number for the fuel line kit is 17112705, and GM calls it NUT KIT,T dealer cost $69.70(the allen screw was not part of the kit). gmpartsdirect.com quotes $34.85, so anyone who has NEVER replaced this hose kit in the intake manifold should order one to have on hand--there WILL come a time.

With the intake cover off, this is a good time to pull the EGR valve, clean it, and put the fine mesh screen over the exhaust port feeding the EGR. I use the stainless steel fine mesh screen from a sink faucet aerator and a drop of blue rtv to hold it in place. When I did the hoses, I inspected my EGR, which has worked perfect for 10 months and about 14,000 miles. There was a small pile of carbon laying at the bottom of the screen, prooving the need for same.: : Finally, before you put the intake cover on, anytime, you should run the fuel pump to check for leaks--there is a single black wire on the firewall which you can jump directly to the battery for the fuel pump.: : Jim in Phoenix: : :

The Trouble Code 45 is Oxygen Sensor sensing RICH condition. That confirms the fuel leak inside the intake plenum. When the motor is cold it can use the extra fuel but after it warms up and sits long enough to leak out that 50+ psi fuel, it puddles and goes real rich when you restart. : : : I guess a fuel line replacement is in your future.: : : It's a fairly difficult job due to the little special Allen head screw that holds the fuel line bracket to the back of the intake between the motor and the firewall. AFTER you get the replacement fuel line w/the replacement Allen screw included, get a tool that fits the new screw EXACTLY because the original screw has a little tit inside the Allen hole and is loctited(thread sealer/locker) in place and won't come out easy. Get comfortable and take your time removing the screw so everything else will go easy. Before you install the new screw, clean off the thread sealant with a wire brush because there will be plenty of residual loctite in the screw hole.: : : note: Any additional info gratefully accepted.