Manifold Absolute Pressure (MAP) Sensor Guide for the 1992-1996 Eagle Summit
Diagnose a failing MAP sensor on your Summit and learn how to choose the right new aftermarket replacement part.
- A bad MAP sensor on your Summit will cause poor fuel economy, rough idle, hesitation, and a check engine light.
- Replacement is very easy and can be done at home with basic tools in under 30 minutes.
- For this vehicle, a new aftermarket part from a reputable brand is the best and most practical choice.
- This part is also used on the 1993-1996 Mitsubishi Mirage and 1993 Plymouth Colt, confirming its shared design.
Is Your Eagle Summit Running Rough? It Could Be the MAP Sensor
If your Eagle Summit is experiencing poor engine performance, a faulty Manifold Absolute Pressure (MAP) sensor could be the culprit. This small electronic sensor plays a big role in how your engine runs. When it fails, it can cause a range of noticeable problems. Because the 1992-1996 Eagle Summit shares its platform with the Mitsubishi Mirage and Plymouth Colt, parts and issues are often similar.
Symptoms of a Failing MAP Sensor
A bad MAP sensor sends incorrect information to your car's computer, which can disrupt the air-fuel ratio and timing. Look for these common warning signs:
- Poor Fuel Economy: One of the most common symptoms is a sudden drop in your miles per gallon. The engine may run too rich, wasting fuel.
- Rough Idle: Your Summit may shake or vibrate while stopped, and the engine RPM might be unstable.
- Lack of Power & Hesitation: You might feel a sluggish response when you press the gas pedal, or the engine may hesitate or stumble during acceleration.
- Check Engine Light: A failing MAP sensor will almost always trigger the Check Engine Light. Common trouble codes include P0105, P0106, P0107, and P0108.
- Black Smoke from Exhaust: If the engine is running very rich, you may see black smoke coming from the tailpipe.
- Stalling: In more severe cases, the engine may stall unexpectedly, especially when coming to a stop.
Can You Drive with a Bad MAP Sensor?
You can usually drive your vehicle, but it's not recommended for long. You will experience poor performance, terrible fuel economy, and potentially stalling, which can be a safety hazard in traffic. Addressing the issue promptly prevents further stress on engine components.
Choosing the Right Aftermarket MAP Sensor
Since new Original Equipment Manufacturer (OEM) parts for a 1992-1996 Eagle Summit are likely discontinued or difficult to find, a new aftermarket sensor is the most practical choice. Aftermarket brands offer a range of quality and price points.
| Brand Tier | Available Brands | General Assessment |
|---|---|---|
| Premium Aftermarket | Delphi, Walker Products | These brands are well-regarded and often supply original parts to manufacturers. They focus on meeting or exceeding OE specifications for fit and performance. Delphi is known for stable and smooth performance. |
| Standard Aftermarket | Standard Ignition (SMP) | A widely available brand with a long history. While many professionals trust them, online reviews can be mixed, with some users reporting reliability issues on other vehicles. Generally considered a solid mid-range choice. |
| Economy / Value | Holstein, Global Parts, Spectra | These brands compete on price and often offer good warranties. Holstein, for example, markets itself as an OE-quality part at a lower cost with a low failure rate. They are a viable option for budget-conscious repairs. |
Installation is DIY-Friendly
Replacing the MAP sensor on an Eagle Summit is a simple job that most owners can do at home in under 30 minutes with basic tools. The sensor is typically located on the intake manifold and held in place by one or two small bolts. The process involves disconnecting the battery, unplugging the electrical connector, removing the old sensor, and installing the new one.
Frequently Asked Questions
Where is the MAP sensor located on a 1992-1996 Eagle Summit?
The MAP sensor is almost always located directly on the engine's intake manifold or on the firewall with a vacuum hose running to the manifold. It's a small, black plastic part with an electrical connector attached.
Can I just clean my MAP sensor?
While some sensors like the Mass Airflow (MAF) sensor can be cleaned, it is generally not recommended for MAP sensors. The internal components are sensitive, and using chemical cleaners or compressed air can easily damage them, leading to a complete failure. Replacement is the correct repair for a faulty MAP sensor.
Is an aftermarket MAP sensor good enough for my Eagle Summit?
Yes. For a vehicle of this age, a quality aftermarket sensor from a reputable brand is a perfectly acceptable and cost-effective solution. Brands like Delphi and Walker Products are known for their reliability and are engineered to match original performance.
Are there any recalls for the Eagle Summit MAP sensor?
No, searches of the National Highway Traffic Safety Administration (NHTSA) database show no recalls or specific technical service bulletins (TSBs) for the MAP sensor on the 1992-1996 Eagle Summit.
Technical Specifications
OEM Part Numbers: MD178243 AS40
This is a 3-pin electronic sensor that typically bolts to the intake manifold. It measures pressure changes and sends a variable voltage signal to the engine computer.
We Have This Part in Stock
The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- Eagle Summit: