fuel problem

Asked by May 16, 2018 at 03:20 PM about the 1999 Dodge Ram 1500 4 Dr Laramie SLT 4WD Extended Cab SB

Question type: Maintenance & Repair

99 dodge ram 5.9 360 keep getting check for faulty
wiring in injector harness code. I've changed
injectors tore the whole wiring harness apart and
can not find anything wrong

2 Answers

120,695

Try ohming out the wiring, and don't forget to ohm the injectors also.

540

Injectors, electronically, are simple items. One line is a 12V source, the other provides a ground at the proper time, sequence n duration to allow current flow to the injector coil. If anything interferes with this, a dirty or crusty connector at either end (ECM or injector), bad wire/chaffed, broken or shorted or even the wrong replacement injector. A good place to start...you can rent a noid lite from the zone to check n see if the injectors r turnin' off n on. What is the code?

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