Question about 1991 Dodge Dynasty

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A lot of people run the tanks dry and ruin fuel pumps quicker this way, fuel cools your pump, and when you are below 1/4 a tank or so depending on size and the model of the vehicle the pump is only cooled by the fuel that flows through it instead of around it as it is no longer submersed in fuel, so now the pump generates a lot of heat. If the pump still runs then all you have to do is prime the pump by turning key on not to run, just on a couple of times. this should give a pretty good prime for the pump, but you will still have air in the lines and it may start and stall a couple of times before you get it running good with no air in fuel.

  1. Replenish the tank with a minimum of three gallons of gas to get you to the next gas station. Place the gas cap back on before you attempt to restart the car.

  2. Pump the gas pedal a few times to help get the new gas moving through the system.

  3. Turn the key to the "on" position to prime the fuel injectors if your vehicle has a fuel injection system (skip this step if it does not). Wait a few minutes.

  4. Turn the key all the way to restart the car. You may have to hold the key in place for a few seconds before the car turns over.

  5. Wait a few minutes and then repeat the process if the car does not restart after the first attempt. If after five attempts the car does not restart, allow the car to sit for at least an hour before trying again.

  6. Tow the car to a trusted repair shop if after an hour it still does not restart. You may have other issues due to the car running out of gas, such as dirt or debris clogging your gas lines or the fuel filter.

Good Luck

Posted on Nov 15, 2010


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1990 dodge Dynasty bad gas mileage and now cutting out real bad. Changed spark plug wires, spark plugs and fuel filter. Ran good for a test run right after installing items. This morning ran fine the 5...

May just be some dirty fuel, or clogged dirty air filter...try putting 2 bottles of fuel injector/carb cleaner in the tank to be sure dirty fuel has been treated. Did your Dynasty sit for a period of time? (Not driven or run for several months, or did you let the fuel tank get very low? Same remedy. Hope this helps..

May 23, 2012 | 1990 Dodge Dynasty

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Where is the location of the thermostat on a 91 dodge dynasty

Follow the top radiator hose to the engine. The clamp is on the thermostat housing.

May 31, 2011 | 1991 Dodge Dynasty

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Serpentine belt diagram for a 3,3l dodge dynasty with ac

For the 1991 DODGE DYNASTY - V6 3.3L 201ci GAS FI N R , review this informacion:

Belt Routing Diagram
- Multiple Accessory, w/o A.C. (Mfg. After 2/27/91)
- Multiple Accessory, w/A.C. (Mfg. After 2/27/91)
- Multiple Accessory, w/o A.C. (Mfg. Before 2/27/91)
- Multiple Accessory, w/A.C. (Mfg. Before 2/27/91)

Remove the serpentine belt by using a breakover bar, rachet or serpentine belt removal tool with the correct size socket for the pulley mounting bolt. Rotate tensioner arm to release tension. Remove the belt.

Hope helped with this (remember rated this help) Good luck.

Nov 12, 2009 | 1991 Dodge Dynasty

1 Answer

My 1990 3.3 l dodge dynasty just all of the sudden stopped running. It really sounds like it isn't getting fuel. I am thinking the problem may be athe fuel pump. I tried to retrieve the check engine ...

to me it sounds more like the timing belt broke ...most of the time when a car with a timing belt at the age of your car suddenly just quits turns out to be the timing belt...have it checked....btw your engine is a interference type engine which means the when the timing belt breaks it bends the valves...meaning a major repair

Sep 19, 2009 | 1990 Dodge Dynasty

1 Answer

Fuel pressure drops immediately to zero when engine is shut off.

I am not really familiar with the setup there but I'd be looking for a second relay to kick the pump on when cranking.

Jun 05, 2009 | 1991 Dodge Dynasty

2 Answers

Engine cranks but will not fire.

check to see if you are getting a spark from the plugs. Just pull the plug and connect it back to plug wire. Then with gloves ground of that plug at the threds. Have someone try to start it only allowing 3-4 repatisions, and see if you have a spark. If you dont have a spark, then it would be eaither be the sparkplugs, plug wiers, or your coil is bad.

May 19, 2009 | 1991 Dodge Dynasty

1 Answer

Dodge dynasty, change relay switch, change fuel pump. car will not stay running

Have you tried taking a fuel sample? Next I would time the amount of running the engine does to see if it is consistent with a timer. Some vehicles have a startup circuit and then a run circuit built into the engine module. It is possible for the run circuit to be burned out. It will start, but then die when it changes circuits.

May 13, 2009 | 1990 Dodge Dynasty

1 Answer

91 dodge dynasty

Did you change the fuel pump? Do you have the wiring done correctly? Is the engine getting any fuel at all?

These are some questions to ask yourself to help identify the actual cause.

More than likely; it's just a bad connection or fuel pump or the like. I'd double check all the wiring on the fuel pump and make sure it's correctly connected to the wiring. Also, check to see if the fuel pump is even running. You can simply turn on the ignition and listen from the tank to hear if it pumps up to pressure. If not, your definitely going to have to double check everything with the pump.

So, follow this list to find the actual problem you're having.

1 : Check for proper fuel pump operation (have someone turn the ignition on without hitting the starter to hear if the pump is operational)

2 : If the pump isn't running, you'll have to check your wiring on the pump and if it is, possibly try another pump.

3 : Check the fuel feed line and return lines for proper connection as well. Not likely to fit the same flanges, but I've seen it happen before.

4 : If all else fails, check the fuel filter. You just never know about those fuel filters. If everything else is correct, it may have just sucked some dirt up and clogged itself.

5 : In the case you still cannot fix the problem; I'd have it diagnosed by a professional mechanic. This way that can see if the engine is getting fuel or if there is some type of damage somewhere causing the problem.

I hope this helps out bud. Cheers!

Sep 12, 2008 | 1990 Dodge Dynasty

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