P2070: Intake Manifold Tuning (IMT) Valve Stuck Open
2 vehicles · 2 makes · $100-$800 repair
Most Reported On
P2070 is an OBD-II diagnostic trouble code meaning “Intake Manifold Tuning (IMT) Valve Stuck Open.” This code means the engine computer detected that the intake manifold tuning (IMT) valve is stuck in the open position. The IMT valve adjusts the intake manifold's tuning to optimize airflow and torque at different engine speeds. When it is stuck open, the engine loses the intended airflow tuning, which can reduce low-end torque or overall performance and trigger a check engine light. It is not an immediate breakdown concern but should be repaired to restore drivability and emissions compliance. This code is most commonly reported on 2011-2016 Chevrolet Cruze, and 2004-2008 Mazda RX-8, with repair costs ranging from $100 to $800.
Common Causes
Typical Repair Cost
Based on 2 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.
Diagnostic Tools
To diagnose P2070, you'll need an OBD-II scanner. Here are our recommendations at every price point.
ANCEL AD310 Classic OBD-II Scanner
by ANCEL
A simple, affordable code reader that reads and clears check engine codes. Great for quick diagnostics on any OBD-II vehicle (1996+).
- Read & clear engine codes
- View freeze frame data
- I/M readiness status
- No batteries or app needed
BlueDriver Pro Bluetooth Scanner
by BlueDriver
Bluetooth OBD-II scanner with a free companion app. Provides enhanced diagnostics, smog readiness, and repair reports sourced from a database of verified fixes.
- Enhanced diagnostics (ABS, SRS, transmission)
- Repair Reports with verified fixes
- Smog check readiness
- Free app (iOS & Android)
LAUNCH CRP123X OBD-II Scanner
by LAUNCH
A professional-grade handheld scanner that reads all four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.
- Engine, transmission, ABS, SRS diagnostics
- Live data stream & graphing
- AutoVIN for vehicle identification
- Free lifetime updates via Wi-Fi
Autel MaxiCOM MK808S Diagnostic Tool
by Autel
Shop-level diagnostic tablet with bi-directional control, active tests, and full system coverage. Ideal for serious DIYers and small shops.
- All-system diagnostics (25+ modules)
- Bi-directional control & active tests
- Oil reset, EPB, BMS, TPMS, injector coding
- 7-inch touchscreen with Android OS
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FAQ
What does P2070 mean?
P2070 stands for "Intake Manifold Tuning (IMT) Valve Stuck Open." This code means the engine computer detected that the intake manifold tuning (IMT) valve is stuck in the open position. The IMT valve adjusts the intake manifold's tuning to optimize airflow and torque at different engine speeds. When it is stuck open, the engine loses the intended airflow tuning, which can reduce low-end torque or overall performance and trigger a check engine light. It is not an immediate breakdown concern but should be repaired to restore drivability and emissions compliance.
What are the most common causes of P2070?
The most common causes of P2070 are: Carbon buildup jamming the IMT valve open, Stuck or seized IMT valve actuator, Failed vacuum actuator or leaking vacuum line, Broken valve linkage, Faulty IMT valve position sensor, Wiring or connector fault to the IMT solenoid. The specific cause varies by vehicle.
How much does it cost to fix P2070?
Repair costs for P2070 range from $100 to $800, depending on the vehicle and root cause.
Which vehicles are affected by P2070?
Au7o has documented P2070 across 2 vehicle models from 2 manufacturers: Chevrolet, Mazda.
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.