88 4runner vacuum problem

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Oct 11, 2016 | 04:03 PM

88schwifty

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88 4runner vacuum problem

I have an 88 4runner I'm having problems with fuel pressure regulator theres a vacuum hose and I can't find where it hooks in to

Oct 11, 2016 | 04:32 PM

DemonRunner

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From: Clinton,IL

Send me a pm

Oct 11, 2016 | 04:46 PM

wallytoo

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From: nh

it attaches to a switch located on top of the rear of the valve cover. from there, a second hose is routed to the intake plenum, via a three-port fitting.

Oct 11, 2016 | 09:51 PM

RAD4Runner

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Quote:

Originally Posted by 88schwifty

I have an 88 4runner

Please always specify what truck-year-model-trans you have in front of you.
A problem well-stated is a problem almost solved.

Quote:

Originally Posted by wallytoo

it attaches to a switch located on top of the rear of the valve cover. from there, a second hose is routed to the intake plenum, via a three-port fitting.

Yep (a Vacuum Switching Valve to be exact).
Here's what it looks like on the 22RE:
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