I have injector 4 & 6 are not working. I have 12volts to each injector and both ohm out 12.8 ohms. My guess is that either my ECU has bad circuits or I have a broken ground. My question is when I run the continuity checks how do I test do the test? My test leads on my multimeter are not long enough to plug into the injector lead and the SMJ connector at the same time.

 

how'd you get to #2? is your intake off? make sure that the wires on that front subharness are all intact after that you'd just need a really long test lead to test the cotinuity between those wires and their counterparts on the ECU harness (unplugged from ECU)

 

Thanks for catching that Cape, I meant 4 & 6.

 

well one thing you can do, is with the car running, unplug those 2 injector harnesses and put the tester on voltage, and put the probes on the contacts in the harnesses. the intermittent signal will, on a DMM, read as a 'voltage' even tho it isn't actually a constant. anyhow, you can see less than 1v at idle, and maybe 2 or 3 volts if you rev it. that way you will know if you have an active signal on the injector harnesses or not.

 

Hey Cape, I did the check with the car running and got nothing which let me know I wasn't getting a ground trigger from the ECU. I ran a continuity check from the SMJ connector to the injector (ground) and it was bad. I then checked the sub harness for injector #4 to the connector and noticed it was bad, so after reseating the wire and cleaning the contact the check came back good. The injector is now firing and the MAX IS BACK!!

 

so you fixed #6 at the SMJ and then fixed #4 at the conector? or only #4 is fixed so far?