Here's the newest one that just cropped up today. The car randomly misfires, or hiccups when cruising or at idle. Happens mostly while crusing. Dosent happen under load. I'm thinking it might be the ignition module, since when it happens the tach drops quickly and then picks back up to engine speed. Also today, it was 85 degrees out, and it's only been in the 50's or cooler since I've owned the car. Maybe the heat has something to do with it? It also seems to come and go, and does it worse when sitting in traffic (probably heat related again).

Another thing that it's been doing for a couple of weeks, is that after a cold start, the car will have very sluggish acceleration like there's not enough fuel pressure, then it'll suddently take off and act normal the rest of the time.

And another thing I've noticed for a while. After a long trip where the tranny is good and hot, if I shift into reverse, it wont seem to engage fully until I give it a little gas, in which case it engages suddenly (kinda hurts if you give it too much gas). Tranny operates perfectly otherwise.

So... should I sell it now? :)
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'91 Volvo 740 wagon. A big comfy box.... and a '90 Mazda 626 GT turbo. Heavily modded, really fast.