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Q: how to check the valve timing modual on 1990 Ford Mustang LX

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the motor takes too long to start
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Not familiar with a "valve timing module" in either a 2.3L 4 cylinder or 5.0L V8 Mustang in 1990. 20 years ago, valves did not have variable timing.

If you are having extended cranks trying to start the vehicle, the best place to start (after doing basic visual checks under the hood) is to check base fuel pressure, and fuel pressure bleed down.
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