P1077
Intake Manifold Runner Control System Malfunction Low RPM
P1077 is an OBD-II diagnostic trouble code meaning: Intake Manifold Runner Control System Malfunction Low RPM. Common causes: damper control solenoid valve malfunction, open or short circuit in control circuit. Estimated repair cost: $17–89.
Symptoms
- Unstable engine operation at idle
- Reduced power at low speeds
- Increased fuel consumption
- Check Engine Light Illuminates
- Dips during acceleration
Causes
- Damper control solenoid valve malfunction
- Open or short circuit in control circuit
- Mechanical jamming of the intake manifold flaps
- Low battery or power problems
- Damper position sensor malfunction
How to Fix
- Check the condition of the damper control solenoid valve
- Check the integrity of the wiring harness and connectors
- Clean the damper mechanism from carbon deposits
- Check the operation of the damper position sensor
- Test the system using a diagnostic scanner
Related codes
FAQ
What does the P1077 code mean?
P1077 is an OBD-II diagnostic trouble code that indicates: Intake Manifold Runner Control System Malfunction Low RPM
What causes a P1077 error code?
The most common causes of P1077 include: Damper control solenoid valve malfunction; Open or short circuit in control circuit; Mechanical jamming of the intake manifold flaps; Low battery or power problems.
How do I fix a P1077 diagnostic trouble code?
To fix P1077: Check the condition of the damper control solenoid valve. Check the integrity of the wiring harness and connectors. Clean the damper mechanism from carbon deposits. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1077?
Yes, but get it checked soon
How much does it cost to fix P1077?
The estimated repair cost for P1077 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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