What does a stored code p0488 mean?
What does a stored code p0488 mean?
A stored code P0488 means that the powertrain control module (PCM) has detected a discrepancy between the actual position of the exhaust gas recirculation (EGR) valve and the desired throttle position. The PCM uses input signals from the throttle position sensor (as well as the vehicle speed sensor…
What are the symptoms of EGR code p0488?
What are the symptoms of code P0488 ? 1 There is a very good chance that no symptoms at all will be presented 2 Rough idle or engine stall at idle (EGR valve is stuck open) 3 Other EGR efficiency and/or TPS codes may accompany this code
How does the EGR throttle control valve work?
The Powertrain Control Module (PCM) tells the Exhaust Gas Recirculation (EGR) throttle control valve where to position itself. This code is looking at the voltage signals from the EGR throttle control valve to determine if they are correct based on inputs to the PCM. This code could have been set due to mechanical or electrical issues.
What causes an illuminated malfunction indicator lamp p0488?
Variations between perceived EGR system performance and TPS position, over a set period of time, will result in a stored code P0488 and possibly an illuminated malfunction indicator lamp. What are the common causes of code P0488 ?
A stored code P0488 means that the powertrain control module (PCM) has detected a discrepancy between the actual position of the exhaust gas recirculation (EGR) valve and the desired throttle position. The PCM uses input signals from the throttle position sensor (as well as the vehicle speed sensor…
What’s the problem with the p0488 exhaust gas recirculation system?
P0488 – Exhaust Gas Recirculation (EGR) System Throttle Position Control Range/Performance Trouble Code Fault Location Probable Cause P0488 Exhaust gas recirculation (EGR) system, Wiring, poor connection, ECM
How can I reset the p0488 EGR code?
Connect the scanner to the diagnostic port of the vehicle and retrieve the stored codes and freeze frame data. Writing this information down may prove helpful later. Now clear the codes and test drive the vehicle. If the P0488 code is reset, accompanied by other EGR related codes, test EGR system efficiency.
The Powertrain Control Module (PCM) tells the Exhaust Gas Recirculation (EGR) throttle control valve where to position itself. This code is looking at the voltage signals from the EGR throttle control valve to determine if they are correct based on inputs to the PCM. This code could have been set due to mechanical or electrical issues.
Why is my p0488 EGR throttle control valve not working?
If all prior tests have passed and you continue to get a P0488, this would most likely indicate a failed EGR throttle control valve, although a failed PCM could not be ruled out until the EGR throttle control valve had been replaced.
If all prior tests have passed and you continue to get a P0488, this would most likely indicate a failed EGR throttle control valve, although a failed PCM could not be ruled out until the EGR throttle control valve had been replaced.
