20 Most Recent 2004 Dodge Neon - Page 7 Questions & Answers

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Check the main fuse. It's typically a 80 to 120 amp fuse. It's also typically the largest one in the fuse box. It won't look like a normal fuse and also may bolt into the fuse box. Disconnect the battery before checking anything in the fuse box. If the fuse is good reconnect the battery cables and make sure everything is tight .

There is not an inertia/fuel cut-off switch on your car.

The check engine light flashes for a Misfire. Driving with a misfire can potentially cause damage to your catalytic converter. When your light flashes, you should get the vehicle checked out by a technician ASAP.

check your coils, plugs & wires and fuel filter. if all are good check the fuel pump pressure

any engine codes?

throttle position sensor may be out also..

air in the system bleed it with the heater full on.

Check your AntiFreeze solution. You may be low and it is a necessary component for getting fluids to operate at the right temp. If your fluids are low, the thermostat may not open. Also, if the fluids are up to par; the thermostat could be defective, improperly installed (upside down) or the wrong type of device for your car. Make certain all hoses are tight and in place and the metal bolts on the engine are tighten. Lastly, the CAP is important. If the Cap is loose the pressure seeps out the sides. Make certain the Cap is on correctly and tight.

Try replacing the speedometer or there may be a short in the wire

Could you please describe symptoms more detailed, such as shifts up late, stays in lower gear too long etc?

have the trans axle checked

check the ignition switch

If your car is manual, clutch not releasing completely, loose or damaged shift linkage, insufficient transmission oil or oil is in poor condition, sticking or jamming gears, worn or damaged striking rod. Autozone, Advanced Auto, or O'reilly can scan/read your check engine code. Speedo faulty or vss speed sensor no longer works.

I found a great 4 piece set for my 2004 Neon included 3 motor mounts and 1 automatic transmission mount for $115. Look at yogiautoparts.com - link for my part was at http://dodge-car-parts.yogiautoparts.com/20032005_neon_20_engine_automatic_transmission_motor_mount_4x_set_68150.html