Question about 1992 Plymouth Voyager
My minivan was running fine this morning. After I returned home and the van sat for 30minutes, I went to start it to run an errand and it would only turn over but wouldn't actually kick in and start.
The first thing I try if this happens when I am around, is to press the accelerator pedal all the way to the floor to let the engine gulp air.
Often, especially after an engine is warm, it gets too much fuel, which can gag the plugs and prevent them from firing.
Providing too much air, dries them out and often a stalled or stubborn engine will start.
Hard starting of a warm engine can also occur if it was turned off fairly hot and the cooling fan switch has failed. In many vehicles this switch will either keep the fan running after the ignition is turned off, or restart in response to the normal rise in block temperature due to stored heat heating the coolant after there is no circulation. The failure of this fan to run for few minutes after the engine is stopped can also expose a tendency toward vapor lock. Vapor lock occurs in a fuel line too close to hot engine components and the liquid gasoline goes to a gaseous state forming a bubble in the line momentarily that can block the flow of gas.
Other points to check if the above doesn't apply: pull any spark plug lead and position it near a chassis ground point and have someone turn the key while you watch to see if there is any spark at all. If there isn't, several items could be at fault; ignition module, the ECU, a failed high voltage lead from coil to distributor (if these are present in your car), a failed ignition switch, ballast resistor (if present).
If the engine uses an electric fuel pump, it may have failed. If the engine has fuel injection, there is normally a valve on the fuel rail (which may be capped) that can be depressed like a tire valve to see if fuel in present in the fuel rail and under some pressure.
Posted on Jan 12, 2009
Start with checking the basics
fuel and spark.
could be out of fuel, or fuel pump went out
that is the most common no start problem
Posted on Jan 12, 2009
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