Why does engine idle so high at start up?
10

Asked by ceyote220 Mar 26, 2020 at 08:59 PM about the 1987 Nissan Truck XE Extended Cab SB

Question type: Maintenance & Repair

Just bought 87 hardbody w/ z24 engine.
Engine revs over 4500rpm and won't come
down to normal idle?
Please well informed responses only. I'm not
stupid. I'm pretty dam good mech. Just never
had experience with nissan.
Thanks.

4 Answers
155,185

james answered 4 years ago

Or a stuck IAC (Idle Air Control) valve, if equipped. Hope that helps! Jim

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