1994 Camry rough idle + visible spark


Old 09-22-09, 07:18 PM
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Join Date: Sep 2009
Location: indiana
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Question 1994 Camry rough idle + visible spark

I just had engine replaced in my 1994 Toyota Camry.
The car runs great but when in idle, every 7 seconds it goes rough for a second and goes back to normal (doesn't happen all the time).
Also I noticed some really tiny sparks visible under the cylinder head cover. It is visible only in the dark and is really small. It lights like a small optical fiber light. It is inside the cylinder head cover and it looks as if there is a tiny hole there through which this is visible.
To make it clear I am attaching the photo.
I am not sure is that normal? Could it be connected with the occasional engine roughness?

Thnak you Beer 4U2
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Old 09-23-09, 05:31 AM
Join Date: Jan 2007
Location: North Central Indiana
Posts: 912

Might be time for some new plug wires.
Old 09-23-09, 08:45 AM
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Location: SW Fla USA
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Second that; I'm guessing one of the long plastic insulators inside the valve cover is cracked. You shouldn't be seeing any visible spark. Pop the wires out one at a time and inspect.

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