Fuel Pressure Regulator
#2
The FPR vacuum hose doesn't go directly to the manifold between the TB and IACV by itself. It connects to vacuum gallery B and shares the vacuum line with the MAP valve.
You need to install 5/16" vacuum hose to that port on the intake manifold. It leads down to vacuum gallery B under the TB. It then splits off and feeds the FPR and MAP valve.
Item 2 in this diagram
When I replaced the FPR earlier this year I replaced all those old vacuum hoses with new 5/16" vacuum hose.
Item 2 in this diagram
When I replaced the FPR earlier this year I replaced all those old vacuum hoses with new 5/16" vacuum hose.
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