My 86 nissan 300zx will not idle down when I stop. stays at 12 or 13rpm sometimes drops to 8 or 9rpm where it should be. Everything is off AC, Lights ect..

Asked by Mar 10, 2014 at 11:31 AM about the 1986 Nissan 300ZX 2 Dr 2+2

Question type: Maintenance & Repair

1 Answer

115

here is a few things to check. number one is vacuum leaks its an old car. the other is TBS connector for corrosion it may not be giving the correct signal. Clean connectors fist

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