01 Dodge Ram 1500

Asked by Aug 04, 2016 at 08:56 PM about the 2001 Dodge Ram 1500 2 Dr SLT Quad Cab SB

Question type: Maintenance & Repair

01 Dodge Ram 1500 will only start with starter fluid then
die off. Checked the pressure on the fuel rails and it's at
about 50 psi. Checked the ohms to all of my injectors and
they all read about 14. Ran fine one day. Then 3 days later
all this started happening... What's my problem

6 Answers

86,815

Have you checked for injector power at the injectors and trigger signal from the ECM?

How would I go about checking that?

86,815

First check the injection fuse just in case it is blown, then unplug each injectors and check for 12 volts on one side of the plug, once you have check and confirmed power then hook up an analog volt meter set to handle at least 12 volts to the plug connections and crank the engine you should get a swinging needle, don't worry about voltage you just want a swing of the needle. So if you have both of those and good fuel and compression it should fire and run.

I'm not getting power to the fuel injectors, I don't see that there is a fuse in the fuse box, I pellets the injectors and fuel rail up and turned it over to see and nothing.

86,815

Did you check for a trigger signal from the ECM, you can check that by putting the positive end of a voltmeter on the positive side of the battery and the other end on the ground side of the injector plug and crank the engine over, the needle should swing, if it doesn't then there is either a bad connection to the ECM or you have a fried ECM. Is the check engine light on when you turn the key on?

I found out that the i.o.d fuse was busted thanks for the help

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