Another Idle Problem

[myyellowspec]

I have an 89 Civic Wagon with stock 1.5 DPFI. I recently did a full tune up and cleaned the IACV. The problem is that it idles low under a load, i.e. lights, a/c ect. It idles right at 850 without the lights on and drops to about 500 rpms with them on. Wtf?

[TheChosenOne]

Have you tested or replaced your battery?

[myyellowspec]

the battery is new. I was kind of leaning towards the alternator but none of the usual signs are there to support that either.

[Formally...]

ELD may be bad. Also, check the alternator.

[myyellowspec]

I will def have to check the ELD. I didn't even think about that

[myyellowspec]

I don't think my car has an ELD lol.

[madwick]

whats the eld and where is it, my wagovan is an auto and is having issues too!

good luck

[myyellowspec]

The ELD, or Electric Load Detector, sends a signal to the alternator to amp up the juice a little when an electrical load is detected. I thought they only came on later model cars. My engine bay fuse box does not have one.