10-19-2017, 12:07 AM
(10-18-2017, 09:56 PM)curlyjoe_imp Wrote: Welcome to the forum lederkombi. I'm sorry to hear about your low idle/stalling problem and am interested in how you will proceed to try to fix the issue. Are you going to try to replace the IACV first?
@postoak
There is a 4P connector that plugs into the IACV. The 4 wires from the IACV run to the black 33P connector that plugs into the ECM. There is a DTC code for the IACV circuit malfuntion (29-1). The symptoms are "engine stalls, hard to start, rough idling". I don't think anyone has reported that code or MIL blink pattern (29). See page 5-12 and 5-29 of the 2013 service manual.
@736cc
There are DTC codes for Oxygen sensor malfuntions (21-1 and 23-1) and in both cases the engine operates normally. See page 5-12 of the 2013 service manual.
Thanks. What does the "P" in 4P and 33P stand for? And what does "DTC" stand for?
The puzzling part is lederkombi, that all those parts you mention have been replaced by some and yet the problem persisted. (If those codes weren't being set you have to wonder why the techs replaced them, but whatever.
If codes aren't being set then it points back to faulty ECU logic. And I don't mean faulty in not setting the codes but rather faulty in controlling the idle under certain conditions. But there doesn't seem anything odd about the conditions that trigger the problem.
It seems like an easy test for a tech to check those connections and see if the problem is resolved, at least temporarily.