Question about 1998 Dodge Neon
Car will turn over but will not start. Im thinking fuel pump.Is there possibly a fuse that controls the fuel pump?
Most fuel rails that distribute gas to the individual injectors have a valve on them to relieve pressure in the fuel system for service work.
It looks a lot like a standard tire valve on cars I have seen and is a convenient place to check whether fuel is available to the injectors.
Also, I'm pretty sure your car is equipped with an On Board Diagnostic (OBD) connector often located under the dashboard on the driver's side where you can connect a readout and quiry the computer for trouble codes. These devices cost anywhere from ~$30 to $200 and are simply connected to (and powered by) your car. They come with either or both a hard-copy and a CD of the codes which will tell you the source of your problem IF the problem can generate a code.
I would first locate the valve (which may have a screwed-on cap) described and push in the center pin after allowing the engine to crank for a few seconds to see if the system is pressurized. This will tell you that fuel is being pumped forward or not.
There is in most vehicles a fuel pressure regulator which feeds the fuel rail and sits between the tank and the fuel rail to maintain the proper fuel pressure. If these fail, they can also prevent the engine from running and checking them can only really be done if the engine is running unless you attach a gauge to the valve mentioned earlier and have allowed several seconds for the pump to build pressure.
It is not possible for all injectors to fail at the same time but the computer that controls them can have a problem that affects all of them.
If you do have fuel, you then need to pull any plug wire from a plug, stick a screw drive into the boot and rest the cable so that the shank of the screw driver is 1/4 to 3/4" from any part that can reasonably be identified as chassis ground and again, crank the engine for a few seconds to see if you are getting spark.
If fuel and ignition spark are there and it refuses to start, it' time for the pros to take over.
Posted on Nov 26, 2008
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Posted on Jan 02, 2017
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