Question about 1990 Nissan 300ZX

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What might be the problem with Nadia with a D4 engine,cant idle?

The cylinder head was replaced and the car now cant idle,after the diognosis,the shown that there was pressure fail,but after changing the high pressure pump,the car still behaves the same

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Try changing the scv suction control valve

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SOURCE: 03 nissan 350z w0nt idle & stalls

YOU HAVE A VACUUM LEAK OR THE IDLE AIR CONTROL MOTOR ISNT FUNCTIONING OR NOT PLUGGED IN.POSSIBLE PLUG OR PIN DAMAGE IF PLUGGED IN.

Posted on Oct 10, 2012

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