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Stalling / Overheated EFI Main Relay Connector (TOY0412AP)

Publication date: 1995-03-01
Reference number: TOY0412AP

STALLING / OVERHEATED EFI MAIN RELAY CONNECTOR

STALLING / OVERHEATED EFI MAIN RELAY CONNECTOR

TECHNICAL INFORMATION TIP

Reference Number(s): TOY0412AP, Date of Issue:  March, 1995
COPYRIGHT: © 2018 Toyota, USA License Agreement TMS1002

EFI RELAY

YEAR(S): 1990-92

MANUFACTURER: Toyota

MODEL(S): Landcruiser

DATE OF ISSUE: March, 1995

ISSUE & TIP

An overheated EFI main relay connector may cause stalling problems on 1990-92 Toyota Landcruisers. The owner may complain that the vehicle will stall after driving, then will not restart until it has had a chance to cool down for a while.

On the vehicle I repaired, the EFI relay terminals were excessively discolored from heat. Due to engine vibration, the terminals in the connector may come loose, causing the voltage drop that produces the heat.

After changing the EFI relay, the problem was cured. Toyota also manufactures an updated wiring harness to correct this problem.

Courtesy of Import Service Magazine

with thanks to:

Deven Hue

Maui Toyota

Wailuku, Hawaii

REFERENCE NUMBER

TOY0412AP

NOTE: This information has been obtained from sources generally believed to be reliable. Use your own judgment before relying on this data. Neither the suppliers of these Technical Information Tips, nor lemon-25 Repair Information Company, LLC, guarantees or assumes responsibility for data accuracy or completeness, nor is liability assumed by the suppliers of these Technical Information Tips or lemon-25 Repair Information Company, LLC, for any claims or damages resulting from the use of this information.