Should be under dash or on side of the center console.
The diagnostic connector for a 1994 Honda Prelude S is located under the dashboard, near the driver's side, typically near the steering column. It is a small, rectangular, 16-pin connector that may be covered by a plastic cover or panel. To access it, you might need to remove any obstructions or covers in that area. This connector is used for connecting diagnostic tools to read trouble codes from the vehicle's onboard computer.
No, the third and fourth generation are a different Chassis.
A 1994 Honda Prelude S would not have a VTEC engine in it (assuming it has the original engine in it). It should have the F22A1 in it which is SOHC and Non-VTEC.
The 1994 Honda Prelude is best run with 91 octane fuel or higher. The vehicle is designed for use with high octane fuel.
Transmission error
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The diagnostic connector in a 1994 Honda Accord Ex is located under the dash on the passenger side of the car. If it has not been accessed before it will have a green sleeve over it. If you do not see a green sleeve, look for a brown two wire plug.
You probably need to get your oil changed?
Approx 2 US qts.
Under the dash or behind the glovebox
Since the Integra Type R wasn't introduced until 1995, a 2000 Honda Prelude should be faster than a 1994 Acura Integra.