Thread: Error p1202
06-16-2012, 10:22 AM #1
Can someone tell me what is this error?
Oil tank pressure switch impausible or blow-by valve still closed P1202
06-16-2012, 10:39 AM #2
06-16-2012, 10:48 AM #3
Damaged oil pressure switch, blow-by valve failure, damaged circuit wires, damaged connector or damaged ECM pins.
Check for 1.27 to 2.47 ohms between terminals.
Check if TOPS is connected to wiring harness.
Check resistance at 0 RPM and above 3500 RPM. At high RPM the resistance should be close to 0 ohm.
Check for 12 volts on pin 1 of the blow-by valve.
06-16-2012, 10:54 AM #4
06-16-2012, 03:33 PM #5
check the wire plug in on the pressure sensor. it only has 1 wire and it can be installed upside down so that the wire makes no connection to the sensor.
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