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+1 You will almost always break the plastic upon removal.....In the block next to the starter be careful if you mess with it they are brittle and expensive unless you can get one at the bone yard.
An 88 does not have a knock sensor.Dose a 1988 ford ranger 2.9L have a knocker sensor and if it dose where at?
Whos there?Knock knock.
Rod?Not a knock sensor...
If it had a knock sensor and no EGR it was an 86/87 block with a 88+ upper intake.My 89 2.9 had a knock sensor, me. It had no EGR so it would ping when it was hot and dry. I learn to back out of the accelerator pedal when it pinged.