What causes Honda Accord p0507 to idle higher?
Honda Accord P0507 Causes and Diagnosis 1 Vacuum Leak. A leaking vacuum system will often cause the Accord to idle higher. 2 Idle Air Control Valve. Most modern fuel injected engines are equipped with an idle air control valve. 3 Throttle Body. A throttle body opens and closes millions of times in the life of a vehicle.
When to use the p0507 code on your car?
The P0507 code is triggered when the Engine Control Module ( ECM) detects that the engine is idling higher than the specified idle rpm range. The standard engine idle is usually between 600-800rpm based on the model of the vehicle.
Why does my Honda Accord have idle air control code?
While the code specifically mentions the “Idle Air Control System”, it would be a mistake to just go ahead and replace it without a little due diligence. The Idle Air Control Valve is often not the cause of the code. Here are some of the most common causes of P0507 in the Honda Accord, as well as waist to troubleshoot them.
What is the idle speed of a Honda Accord?
The idle speed is more than the target idle speed by 200 rpm or more. The Engine Control Module ( ECM) controls the engine idle speed to a specified level through the fine adjustment of the air, which is let into the intake manifold, by operating the electric throttle control actuator.
What to do if your Honda has a code p0507?
1. Make sure all electrical items (A/C, audio unit, defogger, lights, etc.) are off. 2. Start the engine with the shift lever in P, parking brake on, and hold the engine speed at 3,000 rpm until the radiator fan comes on.
What does the p2279 Honda engine code mean?
P2279 HONDA Meaning The Engine Control Module (ECM) has detected a vacuum leak into the engine. The ECM monitors the air passing through the Mass Air Flow (MAF) sensor, a vacuum leak means that unmetered air is entering the engine without passing through the MAF.
When is the p0506 idle air control system lower than expected?
In this case, the P0506 DTC (diagnostic trouble code) is triggered when the PCM (powertrain control module) detects an engine idle speed that is lower than the desired (pre-programmed) RPM.
When is the p0506 DTC code triggered?
In this case, the P0506 DTC (diagnostic trouble code) is triggered when the PCM (powertrain control module) detects an engine idle speed that is lower than the desired (pre-programmed) RPM. Most likely the only thing you’ll notice is the idle speed is lower than normal so it will likely be rougher. There are potentially other symptoms as well.