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Old 01-14-2025, 10:03 PM   #6
chris989
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Join Date: Dec 2011
Location: Boise, Idaho
Posts: 724
Re: 87 4x4 TBI issues

Forgot to add,,,

If you are getting a lot of knock counts,, it will continue to pull timing out.

O2 will keep you in open loop.

high temp would most likely add RPM to idle.


I am guessing your 87 is the same file as my 89.. if not the same computer file codes might be different

Last edited by chris989; 01-21-2025 at 05:56 PM.
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