It has really bad hesitation and a lumpy idle. It hesitates from 1,000 to 2,500 RPMs. Then, right after it hits 2,600 it takes off normally.
After driving for a while, regardless of speed. When I left off the accelerator, it backfires. Only when de-accelerating. Not in Idle or accelerating.
I have replaced all spark plugs, injectors, fuel filter, air to fuel ratio is correct, cleaned the throttle bodies, changed air filter, changed all gaskets, and it has a brand new PTU.
There is no check engine light. But I cant figure out why it keeps hesitating. Its been like this for almost 5 months or so. I cant seem to figure it out. All I know is, its incredibly annoying.
Негізгі бет Nissan 300ZX Idle Problem and Hesitation
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