Question about 1990 Toyota 4Runner

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1990 4runner fuel problem

The fuel dampener is pouring fuel out of the back of it. there is a adjustment screw with a rubber washer that controlls the pressure the dampener works at. how do you test the pressure with it off the truck & what is the setting? its a 3.0 v-6

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You hook up a test gauge between the cold-start injector and the fuel line going to the cold start injector.
Set the fuel pressure regulator to 30-32 PSI, engine running, at idle. Be careful to not allow fuel leakage during the setting procedure, that can be very dangerous.

Posted on Jan 03, 2009


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Customer States Rear Decklid. Hard to Close

Customer states rear deck lid not closing properly.

Technical Background

Due to the stiffness of the original lock dampening rubber, the rear deck lid may be

Difficult hard to close.

Production Solution

A new lock dampening rubber was incorporated into production during calendar week

(CW) 4405. beginning ith VIN: IC_6M407025.



Install improved lock dampening rubber Part No. lCO 827 589 B:

Open rear deck lid.

A Remove rear decked trim panel (see Repair Manual, Body Interior, Group 70- Interior

Remove Lock housing cover.


To remove lock housing cover, gently pry between the locking pawl and cover guides

while pulling down on cover. Underside of cover shown for case of location identification.

A Remove the lock dampening rubber by pulling downward out of lock housing.


Install new rear lock dampening rubber Part No. lCO 827 589 B.


Ensure proper engagement of lock dampening rubber retaining tab into the lock housing

and is seated on the guide slots.

A Install lock housing cover.

A Install rear deck lid trim panel (see Repair Manual, Body Interior, Group 70- Interior

Thank you for using

Regards, Lee Davidian

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