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The check engine light on a 2000 Plymouth Grand Voyager will come on when an error is detected by the vehicle's computer. The cause can range from low oil to mechanical problems or incorrect timing.
if you disconnect the battery for at least 5 minutes then reconnect it ,it will reset the check engine light
After reading the code, and repairing the codes, you reset code with a scan tool.
Defective computer these vans are known for this
Broken or rusted out exhaust system.
The check gauges light comes on when one of the guages is out side of the safe zone. It could be battery voltage, oil pressure, engine temp....
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.....
Turn the ignition key off and on three times. You will see the check engine light go off and on. Count the times the light goes off and on. Those are the codes.
Either with a scanner, or cycle key on, off,on,off,on. and count the flashes of the check engine light. three pause three would be 33
If you have a check engine light ON then you need to take it to a repair shop. A defective TPS can cause a hesitation or stall.
unhook - side of the battery and let set 5 mins and reconnect and the light will go out.
High idle, misfire, check engine light,High idle, misfire, check engine light,