Chrysler Tech Tip: ESP Lamp Flashing/ESP Pump Howl

Some drivers may notice a howl or groan sound while driving straight after a low speed spirited turning event. On SRT vehicles only, when the vehicle has been switched to the "Full On" ESP mode, the ESP event lamp continues to flash. This does not affect the functionality of the ESP system in any way. The system can be returned to "normal Full-On" mode by briefly pressing and releasing the ESP Off switch. The system will reset itself each time the ignition is cycled.

Published: Aug 14, 2013

Models:

2008-2009 Challenger

2009 300/300C/Charger

• With Electronic Stability Program (ESP) (sales code BNB) without adaptive cruise control

Condition: Some drivers may notice a howl or groan sound while driving straight after a low speed spirited turning event. On SRT vehicles only, when the vehicle has been switched to the "Full On" ESP mode, the ESP event lamp continues to flash. This does not affect the functionality of the ESP system in any way. The system can be returned to "normal Full-On" mode by briefly pressing and releasing the ESP Off switch. The system will reset itself each time the ignition is cycled.

Solution: Using a scan tool that is J2435 compatible, reprogram the vehicle with the latest calibration of the ESP software.

Courtesy of ALLDATA.

VW/Audi PCV Service

The PCV valve regulates the flow of gases from the crankcase.

By Andrew Markel

Andrew Markel is an ASE Certified Technician and former service writer, and he brings this practical knowledge to the ImportCar team as director of content. He has more than 20 years on the staff of Import Car.

Published: Apr 18, 2024

Positive crankcase ventilation (PCV) systems have been on just about every vehicle since the late 1960s. The systems route crankcase vapors and droplets into the intake manifold so they are burned in the combustion chamber or catalytic converter.

The PCV valve uses the vacuum from the intake manifold to regulate the flow of gases from the crankcase. The pintle or ball inside the valve moves in response to the pressure difference between the crankcase and the intake manifold. The valve is typically located between the throttle body and cylinder head on a runner for the intake manifold.

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Chrysler Tech Tip: ESP Lamp Flashing/ESP Pump Howl

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