Diagnostic Code 51 for a 1994 Plymouth Voyager is the vehicle running too rich or too lean on fuel. Diagnostic Code 35 has to do with the cooling fan for the engine. It is not coming on at the proper times due to a short or a bad fuse.
The transmission computer defaults to second gear when it detects a fault and sets a trouble code
The door being open.
The thermostat may be installed backwards
Low brake fluid and the parking brake being on are the two most common causes.
There must be a short in the system somewhere that causes the fuse to blow.
One cause why a Plymouth Voyager sputters is because the driver may be holding the gear shift button, unnecessary for going through drives 1 to 4. The gear shift button is a safety feature that keeps from reversing while driving.
Trouble code P1470 means: Leakage Diagnostic Pump Control Circuit Electrical
It is possible that all the vehicle needs is a tune up. One of the most common problems with a vehicle that will not start is a clogged fuel filter.
Transmission code present. You need to check the TCM for codes to know possible causes.
If a Plymouth Voyager is not starting and there is no spark, it could be due to several issues. Common causes include a faulty ignition coil, a malfunctioning crankshaft or camshaft position sensor, or problems with the ignition switch. Additionally, issues with the vehicle's wiring or a blown fuse could also prevent spark generation. Diagnosing the specific problem would require checking these components systematically.
Trouble code P2146 means: Fuel Injector Group "A" Supply Voltage Circuit/Open
The only ways to improve mileage are to check tire pressures, replace spark plugs, replace air filter, repair any causes for the check engine light to be on.....