1995 Acura NSX Has A Check Engine Light

Troubleshooting the Check Engine Light in Your 1995 Acura NSX: Common Causes and Solutions

Find Repair Location
Reviewed by
Bo Fader
Written by RepairPal Car Genius
Updated January 14, 2025
0%
40% chance it's the
Emissions System
0%
60% chance it's
Something else
The most common reasons a 1995 Acura NSX has a check engine light are an emissions system component, a sensor, or a catalytic converter.
  • Emissions System: A faulty emissions system component, such as an oxygen sensor or EGR valve, can lead to increased emissions and trigger the check engine light.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 1995 Acura NSX has a check engine light?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

Like we noted in the last section, general diagnosis symptoms are the most vague of the bunch. There are several diagnostic spectrums, electrical diagnosis, drivability diagnostics, engine diagnostics, transmission diagnostics, and the list could continue for about 5 or 10 more spectrums of diagnostics. The most important take-away here, is that general diagnostics are diagnostics that have no other spectrum in which they fit, or the problem is unknown. This means that any vehicle left outside of a repair facility with the keys and an authorization to perform diagnosis will be diagnosed under the general diagnosis spectrum.

When the Check Engine Light comes on, you may experience engine performance issues such as poor acceleration, rough idling, or an engine that won't start. In some cases, no abnormal symptoms will be experienced. Other systems like the transmission or ABS can cause the Check Engine Light to illuminate and lights for those systems can come on at the same time. Similar lights may say "Check Engine Soon", "Malfunction Indicator Light" or just "Check". In rare case the engine can overheat.

What are the initial diagnostic steps to take for a check engine light on a 1995 Acura NSX?

When faced with a check engine light on your 1995 Acura NSX, it's essential to adopt a systematic diagnostic approach. Start by checking the gas cap, as a loose or damaged cap is a frequent culprit for triggering the light. Next, take a moment to inspect your dashboard gauges for any additional warning lights or irregular readings that might suggest a more significant issue. Utilizing an OBD-II scanner is a crucial step; it allows you to retrieve the specific error code associated with the check engine light, providing a clearer direction for your troubleshooting efforts. Once you have the code, research its meaning in your vehicle's manual or online resources to gain insight into the potential problem. Additionally, visually inspect the wiring and connections under the hood for any signs of damage that could be affecting the vehicle's performance. If these steps do not lead to a resolution, consulting a mechanic or dealership for professional diagnosis may be necessary. By following this structured approach, you can effectively narrow down the cause of the check engine light and take informed action to resolve the issue.

What are the common problems that could cause the check engine light to activate in a 1995 Acura NSX?

When the check engine light illuminates in a 1995 Acura NSX, it serves as a crucial alert for potential issues that require attention. One of the most frequent culprits is a faulty oxygen sensor, which plays a vital role in monitoring exhaust gases and optimizing the air-fuel mixture for efficient engine performance. Additionally, a loose or damaged gas cap can lead to fuel vapor leaks, triggering the light as well. Problems with the catalytic converter, such as clogs or failures, can also activate the check engine light due to their importance in reducing harmful emissions. Furthermore, issues with spark plugs or ignition coils can significantly impact engine performance, while a malfunctioning mass airflow sensor can disrupt the necessary air-fuel balance. Lastly, if the exhaust gas recirculation (EGR) valve is not functioning properly, it can lead to performance issues that prompt the check engine light to turn on. Addressing these common problems promptly is essential to maintain the vehicle's performance and prevent further damage.

How urgent is it to address the check engine light in a 1995 Acura NSX?

Addressing the check engine light in a 1995 Acura NSX is crucial for maintaining the vehicle's performance and safety. This warning light indicates that there is a problem with the engine or emissions system, and ignoring it can lead to severe consequences, including costly repairs and decreased vehicle efficiency. For DIY enthusiasts, it is essential to understand that continuing to drive with the check engine light illuminated can exacerbate existing issues, potentially resulting in engine damage or safety hazards on the road. By diagnosing the problem early, you can not only save money on repairs but also ensure that your vehicle operates smoothly and efficiently. Therefore, if you see the check engine light, take immediate action to investigate the cause, whether through a diagnostic tool or by consulting a professional, to prevent further complications and maintain the integrity of your Acura NSX.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.