Car won't idle

[redfd]

I recently just got my motor rebuilt, and new power fc, the car will not idle but runs fine when its moving, i know its not compression because i have 2mm seals and i dont notice any power loss at all please help

[black rocket]

I'd ck for vac lines.

[redfd]

does anyone think it could be my alternator??

[black rocket]

Simple alt troubleshooting; in the evening rev your engine and see if your headlights dimms and brightens as you change RPM.

[redfd]

I have tried that alt test and yes all my lights dim alot

[black rocket]

I have tried that alt test and yes all my lights dim alot

Ther's your answer!

[lzblackrx7]

mine does same thing! but when i drive it spits and sputters and every now and then kicks it in the butt! its been sitting awhile though maybe carbon build up also?

[EB Turbo]

i know its not compression because i have 2mm seals and i dont notice any power loss at all please help

You can still have good compression in total but have a low one or two sides. I have seen side seals stick on newly rebuilt engines that caused a misfire at idle but would drive fine. Find a shop with a rotary specific compression tester. That way you can 100% rule out that all of the sides have equal or similar compression.

Do you have under drive pullies on your car? Also you can make sure that all of your grounds are secure. FD3s have bad grounding issues.

EB Turbo

[goukid2]

Have you done a compression test? Just because you used 2mm seals does not mean much.