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***IDM injector wires question/help***
Ok brief explanation of what I did & what's happening. I installed an alarm/remote start on my '99. I tapped into my Tach wire in the cluster, alternator wire & #5 injector wire from IDM. I spliced into those wires due to remote starting issues for the remote starts sensing wire. Finally ended up using the alternator wire for sensing.
Now about a week ago I drove to get some food & noticed my SES light was on. It went off after about a minute (didn't notice any stumbles or miss with engine). Parked went in and ate. Started it up and SES light was back on. Drove home (about 5 miles) and light stayed on entire time & it feels as if its not firing on all cylinders. Hooked my scanner up to it and said no codes found (shocker), buddy has an OTC scanner (no codes found). Took it to Ford place and they found a P1316 code. He ran a test and said it was my #5 injector. Cleared all codes and when I started it back up SES light is back on. Did some research and I've bought a UVCH set thinking it may be a bad connection there. Haven't been able to do hands on yet due to having shoulder surgery last Wednesday. So haven't ohm'd any thing yet.
I was thinking since he said its my #5 injector and I spliced into the #5 injector wire from IDM maybe that's the problem. I had the remote starts sensing wire connected to IDM wire for about a week before moving it to alternator wire. That was about three weeks from when SES light came on (so it was running good for three weeks after I moved wire). When I disconnected the sensing wire from IDM wire I just left the spliced wire intact (its about a 3' long wire) & put sometape around the end of it. If I undo that spliced wire will that fix or prevent any future problems? How's the injector shielding wire work on the IDM? I know theres some sort of foil wrapped around the wires inside the harness. Could since the wire I spliced to IDM wire wasn't wrapped in this foil & its not "shielded" have caused that injector to go bad or is it just a coincidence and its probably a UVCH? I appreciate any help with these questions. Thanks.
Last edited by altoids; 01-02-2012 at 01:46 PM.