GM Error Code P1107: How to Fix It

Q: What causes GM P1107 error code?

P1107 is typically caused by a faulty MAP sensor, damaged wiring harness, corroded electrical connections, or vacuum leaks in the MAP sensor circuit.

Q: Can I drive with P1107 code?

Yes, but with reduced performance. You may experience rough idling, poor acceleration, and decreased fuel economy. Address the issue promptly to prevent potential engine damage.

Q: How much does it cost to fix P1107?

DIY repairs typically cost $50-150 for a new MAP sensor or wiring repairs. Professional diagnosis and repair can range from $200-400 depending on the root cause.

Q: Will P1107 cause my vehicle to fail emissions testing?

Yes, any active trouble code will typically cause an emissions test failure. The code must be resolved and the readiness monitors must complete before passing inspection.

Abstract

GM error code P1107 indicates your MAP (Manifold Absolute Pressure) sensor circuit is experiencing intermittent low voltage. This sensor helps your engine's computer calculate the proper air-fuel mixture, and when it malfunctions, you may notice rough idling, poor acceleration, or reduced fuel economy.