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Calgary944 Calgary944 is offline
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Join Date: May 2001
Location: Calgary, Alberta
Posts: 39
CIS idling problem outta nowhere

The Targa got rain leaked a few years ago that killed the PO's power amp under the driver seat (useless extra weight anyway.) Always wondered if the O2 lambda computer got zapped too.

Started up the car this morning and it stalled right away. Started again and gave it a little gas. Pop pop goes the airbox popup valve, and it's struggling to idle at around 700 rpm.

So I sit there wondering why my car suddenly started to act up. Check the engine hoses for vacuum leaks, nope looks good.

It started and ran fine yesterday... Thought about what I did... hmmm, did some spring cleaning in the cab, didn't touch the trunk or the engine bay, but I did vacuum around the O2 lambda computer. I take a look at the connections and they look fine, however, I decide to snug them up and fiddle with the wires a bit. Sure enough idle returns to normal.

I know now that the lambda computer works. :-)
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Terry R.

'81 911SC Targa
Old 05-11-2009, 10:18 AM
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