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It is surging REALLY hard at idle...

Old 03-30-2015, 05:09 AM
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Icon3 It is surging REALLY hard at idle...

From ~900RPM to 1600PRPM. Over and over and over and over. And when I put it in drive it is super jerky...

???

95 EJ1
Old 03-30-2015, 05:11 AM
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Default Re: It is surging REALLY hard at idle...

**In drive, it surges between 1000RPM and 1200RPM. ?
Old 03-30-2015, 05:23 AM
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Default Re: It is surging REALLY hard at idle...

Bone stock 95 Civic EX?
Old 03-30-2015, 06:11 AM
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Default Re: It is surging REALLY hard at idle...

Originally Posted by RonJ@HT
Bone stock 95 Civic EX?
Yes.

**ok.. now it doesn't surge WHILE driving, but does at idle.. ?
Old 03-30-2015, 07:10 AM
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Default Re: It is surging REALLY hard at idle...

Clean IACV and FITV. Then go from there.

CEL codes?
Old 03-30-2015, 01:56 PM
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Default Re: It is surging REALLY hard at idle...

I found that my idle adjustment screw was waaaaay backed off, and it seemed to be causing surging. I closed the screw until the engine almost died at idle, then opened it the correct amount (using the Helms process).

It pops up every couple years, but cleaning the IACV takes care of it (no FITV on the VX, though.) That's an easy process, and worth trying!
Old 03-31-2015, 09:45 AM
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Default Re: It is surging REALLY hard at idle...

Welp! Gasketing issues (probably head.)

How do I know?
- Bubbles in radiator..
- Water from exhaust when coolant or water put ..
Nothing on the caps, or milkshake oil, but, tell-tale dipstick bubbles.

Driving with loose cap... Head Gasket seems most likely..

:-(
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