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The engine in that is the 2.4 Ltr OHV. A drop in rpm and stalling could be a vacuum leak, fuel pressure regulator or clogged fuel filter. Also a bad or leaking PVC valve will cause those symptoms.

I restore a clot of these and they are great cars.

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10y ago
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Q: What causes a 1997 Nissan altima to drop its RPM and stall?
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