P2282 Air Leak Between Throttle Body and Intake Valves

P2282 Air Leak Between Throttle Body and Intake Valves

OBD-II DTC Datasheet

Air leakage between throttle body and intake valves

What does this mean?

This Diagnostic Trouble Code (DTC) is a generic transmission code and applies to many OBD-II vehicles (1996 and newer). Although general, specific repair steps may differ depending on the brand / model. This may include, but is not limited to, Vauxhall, Chevrolet, Suzuki, Saturn, Chevy, Corsa, Ford, etc. Despite the general nature, the exact repair steps may vary depending on the model year, make, model and transmission configuration. ...

If your vehicle has stored code P2282, it means that the powertrain control module (PCM) has detected an airflow rate in the throttle body that is not in the combustion chamber.

For modern engines to operate at peak efficiency, air and fuel must be precisely controlled. The fuel pump and fuel injectors provide sufficient fuel supply, and the throttle body (or throttle bodies) allows metered air to enter the intake port. The delicate air / fuel ratio must be carefully monitored and regulated; constantly. This is accomplished using a PCM with inputs from engine sensors such as the MAF, Manifold Air Pressure (MAP) sensor, and Heated Oxygen Sensors (HO2S).

After comparing the amount of ambient air drawn into the MAF sensor and the air drawn into the engine intake manifold, if the PCM detects that the two values ​​are above the maximum allowable threshold for change, a P2282 code and malfunction indicator can be stored. (MIL) is on. It may take multiple driving cycles with failure to illuminate the MIL.

Typical MAF sensor:

What is the severity of this DTC?

A stored P2282 code is likely to be accompanied by severe handling symptoms. Conditions that contributed to the retention of the code should be corrected as soon as possible.

What are some of the symptoms of the code?

Symptoms of a P2282 trouble code may include:

• Severely reduced engine power
• Engine may shut off during acceleration
• Fire can also occur when accelerating.
• Misfire Codes May Accompany P2282

What are some of the common causes for the code?

Reasons for this code may include:

• Large vacuum leak at or near the intake manifold
• Defective MAP or MAF sensor
• Bad intake manifold gasket
• PCM or programming error

What are some steps to troubleshoot the P2282?

To diagnose the P2282 code, you will need a diagnostic scanner, a digital volt / ohmmeter (DVOM), and a source of vehicle-specific diagnostic information.

If you can use your vehicle information source to find a Technical Service Bulletin (TSB) that matches the year of manufacture, make and model of the vehicle; as well as engine displacement, stored code / codes and symptoms detected, it can provide useful diagnostic information.

The engine must be in good working order and provide sufficient vacuum.

Begin by carefully checking the intake manifold area for signs of a vacuum leak (engine running). Any vacuum leak that is large enough to cause the P2282 code to persist will most likely be very obvious with the engine running (remember the EGR valve and PCV valve).

If MAF codes come with P2282, carefully inspect the MAF sensor energized wire for unwanted debris. If there is debris on the hot wire, follow the manufacturer's recommendations for cleaning the MAF sensor. Never use chemicals or cleaning methods not recommended by the manufacturer.

Use a scanner (connected to the vehicle's diagnostic socket) to retrieve all stored codes and associated freeze frame data. It is recommended that you write down this information before clearing the codes and then test drive the vehicle until the PCM enters ready mode or the code is cleared.

If the PCM enters ready mode at this time, the code is intermittent and can be much more difficult to diagnose. In this case, the conditions that contributed to the retention of the code may need to worsen before an accurate diagnosis can be made.

However, if the code is cleared immediately, the next diagnostic step will require searching the vehicle information source for diagnostic block diagrams, pinouts, connector bezels, and component test procedures / specifications.

With the air intake pipe intact and the engine in good working order, follow the manufacturer's instructions for testing the MAF and MAP sensors with the DVOM. If both of these sensors work, use the voltage drop method to test the system circuit.

• A stored code P2282 is usually rectified by repairing a faulty intake manifold or throttle body gasket.

Related DTC discussions

• P2282 Saturn ViewOn my 2005 Saturn Vue 2282 cylinder. In California, I had all my hoses replaced due to the fact that I was traveling to Florida on the recommendation of mechanics. When I returned the car, I received a PXNUMX check engine light and a mechanic in California could not find the problem to fix. I went to Florida and ... 
• P2282 Leak Between Throttle Body and Intake ValvesI hear a big vacuum leak from the driver's side of a 2017 Ford Fiesta ST, Ford couldn't find the problem and it took too long, so I drove home. I am currently trying to troubleshoot myself. Okay, checked all the vacuum hoses and inlet. Same ? all evaporator lines. Any ideas ... 

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