For 1990-2009 cars only
Diagnostic Instructions
| • | Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. |
| • | Review Strategy Based Diagnosis for an overview of the diagnostic approach. |
| • | Diagnostic Procedure Instructions provides an overview of each diagnostic category. |
DTC Descriptor
DTC P2282: Intake Manifold Air LeakCircuit/System Description
The engine control module (ECM) compares actual vacuum reading of the manifold absolute pressure (MAP) sensor at idle to a calculated vacuum reading.
Conditions for Running the DTC
| • | The evaporative emission (EVAP) purge canister commanded state is less than 100 percent. |
| • | The barometric pressure (BARO) is greater than 72 kPa. |
| • | The engine coolant temperature is greater than -10°C (14°F). |
| • | The intake air temperature (IAT) sensor is greater than -20°C (-4°F). |
| • | The ignition 1 voltage is between 11-16 volts. |
| • | The engine has been operating for 2 seconds. |
| • | The DTC runs continuously when the above conditions are met for 3 seconds. |
Conditions for Setting the DTC
The ECM detects that the actual vacuum reading is greater than the calculated vacuum.
Action Taken When the DTC Sets
DTC P2282 is a Type B DTC.
Conditions for Clearing the DTC
DTC P2282 is a Type B DTC.
Reference Information
Schematic Reference
Connector End View Reference
Description and Operation
Electrical Information Reference
DTC Type Reference
Powertrain Diagnostic Trouble Code (DTC) Type Definitions
Scan Tool Reference
Control Module References for scan tool information
Circuit/System Verification
- Engine running, observe the DTC information with a scan tool. DTC P2282 should not set.
- Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
Circuit/System Testing
- Verify none of the following conditions exist:
- If all conditions test normal, test the engine for proper camshaft timing. Refer to Timing Belt Replacement.
| • | The air intake duct system for loose connecting clamps, cracks, or other damage. |
| • | A damaged throttle body blade or shaft |
| • | Splits, kinks, or improper connections at the vacuum hoses. |
| • | An EGR system leak |
| • | Faulty PCV system operation |
| • | Carbon deposits on the throttle blade. Refer to Throttle Body Inspection and Cleaning. |
| • | Vacuum leaks at the intake manifold, throttle body, and injector O-rings. |
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
