What does code P0321 mean?
engine speed input sensor circuit
P0321 is an OBD-II generic code that the engine control module (ECM) detected the engine speed input sensor circuit out of range or its performance is not within specifications. The sensor may also be called a RPM sensor.
What is code P0322 mean?
P0322 is a diagnostic trouble code (DTC) for “Ignition/Distributor Engine Speed Input Circuit No Signal”. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation.
What does the p0321 code on a Volkswagen mean?
The P0321 code is triggered when the Engine Control Module (ECM) detects the signal is out of range. P0321 VOLKSWAGEN Possible Symptoms. P0321 VOLKSWAGEN Meaning. Ignition failure sensor is used to check whether the spark ignition is occurred correctly or not and also used to tachometer drive.
When does the PCM set the code p0321?
Anytime there is an electrical problem with either of these two circuits, depending on how the manufacturer wants to identify the fault, the PCM will set code P0321. This code is considered to be an electrical circuit fault only.
How to test the p0321 engine speed input circuit?
If it is a Hall Effect sensor, disconnect the harness going to the Camshaft and the Crankshaft Position Sensors. With a Digital Volt Ohm Meter (DVOM), test the 5V power supply circuit going to each sensor to insure it is being powered up (Red lead to the 5V power supply circuit, black lead to a good ground).
Which is better Volkswagen Passat 1.8T or 2.0T?
This engine also proved no more efficient than its sprightlier predecessor. In our 75-mph highway fuel-economy test, the Passat 2.0T returned 36 mpg to the 1.8T’s 39 mpg. The EPA, however, rates the 2.0T at 25 mpg in the city and 36 mpg on the highway—each 2 mpg better than the 2017 model with the 1.8T.