U3649 Alfa Romeo 146 OBD Code

OBD/2 U3649 error code description and symptoms.

Fuel Rail Pressure Sensor in Range But Low The comprehensive component monitor (CCM) monitors the FRP pressure for acceptable fuel pressure. The test fails when the fuel pressure falls below a calibrated value. Low fuel pressure Damaged FRP sensor Excessive resistance in circuit Low or no fuel A FRP PID value below 551 kpa (80 psi) indicates a failure Low or no fuel A FRP PID value greater than 896 kpa (130 psi) indicates a failure.

On some transmissions, such as automated manual transmissions or automatic transmissions with manual mode, the GSP switch lets the TCM know whether or not the driver has selected automatic or manual function. On manual transmissions, the GSP switch informs the TCM which gear the driver is selecting, and may function as a neutral safety switch, depending on system design. The TCM also uses the gate select position switch to monitor transmission operation. For example, if the driver selects manual mode and selects 3rd gear on an automatic transmission, the TCM may monitor speed sensors to detect clutch and brake slippage.

U3649 Alfa Romeo 146 Error Code Repair Process :

The scent may U3649 signal oil or coolant leaking from their normally closed-loop systems, or it may indicate dangerous exhaust gases invading your car's interior. Car and truck exhaust contains toxic gases such U3649, so if the inside of your car variable intake solenoid #2 circuit malfunction as if you were standing behind your car, get out and get it fixed. Fight the urge to take a little nap first. So sleepy. That's the carbon monoxide talking, friends. At least open a window on your way to the shop.

Common Causes of Alfa Romeo 146 U3649 OBD2 Code

A common cause of code U3649 is the failure of Variable Intake Solenoid #2 Circuit Malfunction, but there are several other possible causes as well, such as ;

Erratic camshaft position due to low oil pressure
Faulty Camshaft Position Sensor
Improper ignition timing
Camshaft Position Sensor harness is open or shorted

U3649 is a kind of Network Trouble Code

U-code indicates that engine communication errors and shows lost communication with engine parts.U-Codes are fairly straight forward, given all of the articles and technical publications that have been written regarding these problematic codes. In most cases, it just comes down to identifying the module that isn't communicating with the other modules on the CAN bus line for whatever reason.

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

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U3649 Alfa Romeo 146 OBD Code

U3649 Alfa Romeo 146 Error Code Repair Process :

Common Causes of Alfa Romeo 146 U3649 OBD2 Code

U3649 code for other Alfa cars