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View Full Version : 1988 Isuzu Trooper, Timing, EST Connector



dj7934
10-12-2007, 01:02 AM
Hi,

I need to check the timing on a 1988 Isuzu Trooper, 2.6L, the Haynes manual says to unplug the EST connector, under the center console at the ECM. There are 3 connectors there but are not labeled and the manual does not have an image to indicate which one. Anyone know how to identify the EST Connector?

Thanks,
Dan

admin
10-12-2007, 03:08 PM
Hi dj7934,

As stated in the Haynes manual for your 1988 Trooper (manual #47020), you only need to unplug the EST connector if you have a V6 engine. Your 2.6L is a four-cylinder engine, so you should not have to unplug anything. Your timing spec. is 12-degrees BTDC.

Thank you for using Haynes manuals!