Also put a new coil pack it
SOURCE: 93 ford ranger 2.3L replace
The 2.3 engine is well known for plugged oil lines in the camshaft. You didn't say which cylinder isn't firing but if its number 3 or 4, you may well have a worn cam lobe. This will not show up on a compression test since the valve can't open due to the worn cam lobe. You will have to remove the valve cover and watch the valves move while turning the motor with a wrench on the harmonic damper/crank pulley bolt. Expect a repair bill in the $600 - $800 range. New cam and valve job.
SOURCE: I have a 2005 ford ranger 3.0L with repetitive engine codes
these engines did have some exh valve issues, service bulletin 05-26-3. one other thing to verify is that the cam synronizer (CMP) is correctly installed. if its not right on, its way off.
SOURCE: 1999 Ford Windstar-Will Turn over but won't start?
fuel pressure regulator could hav failed-located by engine or the ignition module may not be workin-by dist area try not to be a parts replacer-buy a repair book
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