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P1639 5 Volt Reference 2 Circuit. This is referring to the 5 volts that the PCM (Powertrain Control Module), uses to verify the correct pressure in the Fuel Tank and A/C Refrigerant systems. 5 volts is sent to these sensors by the PCM, and if 5 volts is not present the check engine light will come on. I suggest you take this vehicle to a trusted professional. You may end up needing a new PCM. This is a very detailed diagnostic repair requiring knowledge and skill.
What else can I help you with?
Is there a car named the voyager?
Plymouth made a Voyager minivan from 1990 to 2000.
What would make a 2000 Plymouth voyager fraidator fan keep on running after you have shut off the motor?
Where is the radiator fan relay at on a 2000 Plymouth voyager
What is the towing capacity for a 93 Plymouth Voyager?
The towing capacity for the 1993 Plymouth Voyager is about 2000 pounds. This varies somewhat depending on the model purchased.
Does a 2000 Plymouth grand voyager have rca jacks on stock radio?
NO.
Can you switch transmissions from 1996 Plymouth voyager to 2000 dodge caravan?
No
What brake fluid is used in a 2000 Plymouth Voyager?
DOT 3
What is the tire size of a 2000 Plymouth Voyager?
P205 75/r14
What kind of antifreeze goes in a 2000 Plymouth voyager?
GreenGreen
What type of oil should be used in a 2000 Plymouth Voyager?
5w30 or 10w30
How do you add transmission fluid to a 2000 Plymouth Voyager?
Down the transmission dipstick.
Where is the chime speaker located on a 2000 Plymouth Voyager?
It is inside the body computer.
Where are the spark plugs located on a 2000 Plymouth Voyager?
Follow the plug wires from the distributor.
