
2007 Chevrolet Trailblazer LT 4.2L MIL Lamp on
Hello, I am stymied by this pesky P1400. The code passes sometimes and fails sometimes. The customer admits to probably sitting idling a few minutes after starting the engine before she leaves. The engine coolant temp warms up normally. I have done all visual ...
FIX posted 7/17/2015
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Message Closed w/FIX
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VIN | 1GNDS13S27 |
Engine | 4.2 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P1400 | Manifold Differential Pressure Sensor Circuit Malfunction |
Message Closed w/FIX
Vehicle Data
2007 Chevrolet Trailblazer LT
VIN | 1GNDS13S27 |
Engine | 4.2 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P1400 | Manifold Differential Pressure Sensor Circuit Malfunction |