Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
Your car's computer is saying that the air pressure in the engine is too low when the car is just sitting still and running. It's like trying to breathe through a straw that's too narrow.
The Manifold Absolute Pressure (MAP) sensor is reading a pressure that is lower than expected when the engine is idling.
The P1107 code indicates that the Powertrain Control Module (PCM) has detected a manifold air pressure reading that is too low compared to the expected value when the engine is idling. This can affect the air-fuel mixture and engine performance.
• Poor engine performance
• Rough idling
• Check Engine Light illuminated
• Faulty MAP sensor
• Vacuum leak in the intake manifold
• Blocked or restricted air intake
MAP Sensor: Manifold Absolute Pressure sensor, measures the pressure in the intake manifold.
PCM: Powertrain Control Module, the car's computer that controls engine functions.
• Inspect the MAP sensor and its wiring for damage.
• Check for vacuum leaks in the intake manifold.
• Ensure the air intake is not blocked or restricted.
• Replace the faulty MAP sensor.
• Repair any vacuum leaks found in the intake manifold.
• Clean or replace the air filter if blocked.
• OBD-II scanner
• Multimeter
• Vacuum gauge
$100 - $300
Moderate
• Honda Accord
• Chevrolet Silverado
• Ford F-150
• Regularly inspect and replace the air filter.
• Check for vacuum leaks during routine maintenance.
• Ensure MAP sensor connections are secure.
Sensor Issue
• Do not ignore the Check Engine Light.
• Have a professional diagnose the issue if unsure.
• Regular maintenance can prevent sensor issues.
Check with your vehicle manufacturer for warranty coverage on sensors.
This code has been known to appear in vehicles with older MAP sensors or those with high mileage.
Moderate – While not immediately critical, it should be addressed to prevent further engine performance issues.
Operating a vehicle with a known issue may be unsafe and could lead to more severe problems.
• Engine idling
• Warm engine
The MAP sensor is typically located on or near the intake manifold.
Q: Can I drive my car with a P1107 code?
A: It's possible to drive short distances, but it's best to fix the issue soon to avoid engine performance problems.
Q: How can I prevent a P1107 code?
A: Regular maintenance, including checking the air filter and inspecting for vacuum leaks, can help prevent this code.
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