I really need some help I can't figure it out the truck randomly looses power like the air flow is being cut off but some days it runs like a champ scan roof said an o2 sensor I replaced that and it was good for a day or so and then another code came up for a mass airflow sensor and it's still doing it after I replaced that the truck is a 1994 ranger 4x4 five speed any help would be appreciated it's my only vehicle so I'm kinda screwed




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Check for vacuum leaks especially around the intake manifold

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1999 Ranger 4.0 and extreme Snap-on tool fetish

And around the intake hose after the MAF and up to the TB..

I recall one time removing all of that for some other work.. drove it for nearly for a month with no issues ONLY to find I never tightened the band clamp around the TB.. it started to give me a similar issue as a bad MAF all of a sudden.

I wanted to cuff myself in the back of the head for missing that....

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It was my filter


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