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Showing results for tags 'rough idle'.
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So I have a 1975 280z that if I turn it on and let it sit it idles just fine, but as soon as I press the brakes it starts to idle very roughly and if I hold the brake down long enough without stepping on the gas it eventually just dies. Anyone have any ideas they could maybe help me with on this?
So my 1983 280ZX 2+2 is having cold start issues. when i turn it on it idles up real high like 900-1000rpm and if i touch nothing after a few seconds the rpms drop and it stalls out. If i crank it and pump the gas it will stay on and not stall out but if i just floor the pedal instead of pumping it it will stall out also the is a quiet backfire that sounds like it comes from the engine area. The reason im calling this a cold star issue is because if i pump the gas long enough for the motor to warm up to running temp i can let go of the gas and it will idle fine at 800-900rpms it revs smooths and sounds good.