2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

idle hunting/surging when cold, fine when warm

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Old Jun 23, 2004 | 01:51 PM
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idle hunting/surging when cold, fine when warm

I have a stock '88 vert 13b with the exception of hiflow cats and K&N intake. Recently the idle just started hunting from about 1000 to 1500 rpm's when cold, but its a good steady 800 when warm.

Any suggestions? If its a vacuum leak would'nt it happen all the time?
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Old Jun 23, 2004 | 02:14 PM
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From: Hood River oregon
I would guess TPS at this time..
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