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Old 11-02-2017, 01:40 PM
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Diseasel300 Diseasel300 is offline
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Being a 1992 vehicle, I'd imagine you're still CIS? If so, throttle and fuel control are MECHANICAL. Putting your foot down is a mechanical action on the throttle plate and fuel delivery is a function of air moving across the metering plate.

If the engine will rev in neutral or park when first started, but won't after running for a couple minutes, you have a problem somewhere that's restricting performance. Shutting the engine down and restarting will allow a clogged exhaust to bleed off pressure quite rapidly. Once you restart, you're fine until pressure builds again.

If you had an electronic issue it would be spark or mixture. If you have spark issues, you'll smell raw gas on the exhaust. If you have a mixture problem, you'll be smelling gas if rich, or hearing detonation (pinging) if you're lean.
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