HELP FIRST TIME TBI Owner
Thread Starter
Junior Member
Joined: Mar 2014
Posts: 11
Likes: 0
From: Menifee, Ca
Car: 91 camaro
Engine: 305 L03
HELP FIRST TIME TBI Owner
Hello I just purchased a 1991 camaro RS 305 V8 TBI. I see that the guy changed the valve covers, and air filter to edelbrock brand ones.I noticed the car canister solenoid tubing was broken (pic 1). Also i notices that one of the cars other tubing was broken, but was on the left side, i was wondering how to reroute the tubing to the tbi engine. Please any help is truly appreciated.


Supreme Member
Joined: Apr 2010
Posts: 1,015
Likes: 5
From: Modesto, California
Car: 88 Firebird Formula
Engine: LO5 5.7 TBI/Ebl Flash
Transmission: 700R4
Axle/Gears: 2.73 stock rear end
Re: HELP FIRST TIME TBI Owner
Hello I just purchased a 1991 camaro RS 305 V8 TBI. I see that the guy changed the valve covers, and air filter to edelbrock brand ones.I noticed the car canister solenoid tubing was broken (pic 1). Also i notices that one of the cars other tubing was broken, but was on the left side, i was wondering how to reroute the tubing to the tbi engine. Please any help is truly appreciated.




The first pic is your evap canister, thats a vacuum line going to the front of your Throttle Body. If you have cracks all along you can just replace with a new line, any rubber hose will work, just make sure to get the same diameter size tubing(just bring the old one in with you when you go into your local autozone/oreiily's ect and they will easily help you out. If it is just bad in one spot you can easily fix with some electrical tape of your liking, i just did that one that exact vacuum line and its fine.
The second pic is your Heater valve majiggy ( i dont know the name of it) basically that line is for your heater when you turn it on it opens up your heater core plumbing to allow warm coolant to come in. You can do the same procedure on that vacuum line as well.
Hope this helps!!
Thread Starter
Junior Member
Joined: Mar 2014
Posts: 11
Likes: 0
From: Menifee, Ca
Car: 91 camaro
Engine: 305 L03
Re: HELP FIRST TIME TBI Owner
Thanks for your help, going to go to the auto shop to look for the hose size. Thank you so much, both of you that replied. Does anyone know where there's the oil gauge switch switch, and the water temperature sensor? Im planning on putting aftermarket gauges on the car thanks.
Joined: Jun 2005
Posts: 1,245
Likes: 8
From: Fairfield, CA
Car: 91camaro rs,2014 silverado 5.3L
Engine: 5.7Lcarb,5.3L
Transmission: 700-r4, 6L80
Axle/Gears: strange 3.73's
Re: HELP FIRST TIME TBI Owner
the oil pressure gauge is above the oil filter
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