Archived Check engine light

[SRH]

Check engine light come on the code is P2146 = Fuel Injector Group 1 Supply Voltage Circuit

But what does it mean?

 

[Matt400]

My source shows that code as:

Fuel Injector Group A Supply Voltage Circuit / Open



Pin point testing with a DRBIII scan tool may be needed to locate the trouble. If the truck is running ok and the fault is intermittent then I would suspect a loose connector somewhere.

 

[Bob4x4]

Your code descripion is not quite accurate but close,It could be high or low side driver shorted or open(possible intermittant) or injector failure on cylinders 1,2,or 3. This can also be an ecm failure. Do you have a box that plugs into injector harness?



Bob

 

[SRH]

Yes But I've had stumbling long before I put in on. There was a TSB out for that in Feb that was done. My truck runs like a bad fuel filter but I change it.

I've been running a box four two-three wks and no problems. until now