Chevy 350 Tbi Vacuum Line Diagram
You have the proper fuel pressure.
Chevy 350 tbi vacuum line diagram. Off hand all i can think of is the brake booster egr evaporator and maybe one other. Fuel pressure should be a constant 10 15 psi on a tbi fuel injection system and is typically around 12 13 psi. I think this is a vacuum line and i have it running up to a tee connected to the vacuum cannister cruise control non op right now and the hvac vacuum line. Find chevrolet 57l350 hose line tubing and get free shipping on orders over 99 at summit racing.
Either way they all come off the base of the throttle body so if this was an issue you could always check all the nipples and buy plugs and plug them all. The 1947 present chevrolet gmc truck message board network 47 current classic gm trucks the 1973 1987 chevrolet gmc squarebody pickups message board the 1973 1991 blazers jimmys and suburbans message board. This is episode 1 of a 2 part series on how to trace out your vacuum lines on most vehicles from the late 1970 s through the 1980 s and into the 90 s. If you search the internet or look at your repair manual you ll find stuff like this.
90 350 tbi vacuum lines. 1988 89 vin z c k series with 4 3l. Vacuum hose schematic 1980 access our gm full size trucks 1980 1987 vacuum diagrams repair guide by creating an account or signing into your autozone rewards account. Alldatapro doesn t even have a proper diagram or anything i m getting mine a.
90 350 tbi vacuum lines. Access our free vacuum diagrams repair guide for gm full size trucks 1988 1998 through autozone rewards. I ve hundreds of pages of wiring diagrams but only one incomplete vacuum diagram in bad printing quality. Print below is a listing of vacuum diagrams for most of the engine and emissions package combinations covered by this guide.
Engines year 1987 1993 maybe you know the problem. Vacuum line hose diagram for a 1989 chevy 350 engine with tbi. Higher pressure than 15 psi indicates that there is an issue with the installation. The vacuum system on any tbi truck is super basic.
Many times this is due to kinked fuel lines improper routing of the return line and or fuel line restrictions. Hi need to see a diagram of the engine vacuum lines tbi 2 8l 4 wheel drive 86 s 10 blazer thanks. The image only shows the vacuum lines that. Get the haynes s 10 repair book at the parts store for about 20.