Car Information:
Honda CRX
Year: 1987
Engine Size: 1.5
Trans: Manual

Issue / Question:
My 1987 Honda CRX when cold, idles at about 2krpm with a slight loping. When it warms up, it idles loping between 850 and 1.5k. The exhaust smells strong like it is running rich. It has about 178,000 miles on it. Your tech. expertise would be greatly appreciated.

Answer:
I would guess a bad EGR valve, they cause a internal vacuum leak when they wear and get carbon on the seal area.

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