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| Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars |
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#34 |
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Zilvia Junkie
![]() Join Date: Nov 2012
Location: wisconsin
Age: 29
Posts: 447
Trader Rating: (7)
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hey Derek. try unplugging your maf sensor. the car should die out. I had a similar issue car would fire up and idle perfectly then you give it gas and mine would stutter and almost die and run like ass under throttle (no power and the car would get super fucking loud). ended up being my ecu. this really sounds like a fueling issue, and both the ecu and maf sensor affect or controlfueling
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The Game you lose haha |
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#35 | |
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Join Date: Jul 2017
Location: Naperville, IL
Age: 22
Posts: 11
Trader Rating: (0)
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Quote:
when the car is idling and i pull the maf sensor it tries to die so i know that it works and it's not the maf. i have a feeling that the butterfly valve in the intake is staying closed and when i give it gas it doesn't open so it dies because it's running too rich. not sure. could it be timing? Sent from my iPhone using Tapatalk |
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#37 |
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Leaky Injector
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Have you checked for intake leaks? All couplers, gaskets, etc. Brake ckean everywhere air could get in. If it has a wideband, what do the afrs look like at idle and when you give it throttle.
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#39 |
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Zilvia Junkie
![]() Join Date: Nov 2012
Location: wisconsin
Age: 29
Posts: 447
Trader Rating: (7)
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Feedback Score: 7 reviews
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my bad I thought you were talking about the Throttle body butterfly valve. yeah I could see the intake runner butterfly valves causing this sort of issue if they are stuck mostly closed
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#47 |
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Zilvia Addict
![]() Join Date: Apr 2016
Location: Southaven, ms
Age: 42
Posts: 951
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Rotate the engine to tdc, make sure the distributor rotor points to plug 1. Also might want to check the marks on the timing chain.
Sent from my HTC One using Tapatalk |
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#48 | |
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Join Date: Jul 2017
Location: Naperville, IL
Age: 22
Posts: 11
Trader Rating: (0)
![]() Feedback Score: 0 reviews
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Quote:
once again that's how to set ignition timing. i need to fix valve timing. Sent from my iPhone using Tapatalk |
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