S14 sr20det 1500 rpm cut - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

smoketherear · 09-24-2018, 07:19 PM

What's up guys, I've dug through decades worth of old posts hoping that someone has encountered this problem before with a resolution.

All my Nissan gurus any input would be greatly appreciated. Things already checked off and changed:
Knock sensor
Ecu coolant sensor
Maf ( tested with a known working one)
Ecu same as maf tested with a known good working one
O2 sensor swapped with a new one
Fueling on the car it has a new pump
Oem injectors where cleaned and tested
No codes present via Nissan consult.
Swapped the trigger disc with a known good one out of my car .

https://youtu.be/GsDLvj4Cgow

Sent from my Pixel 2 XL using Tapatalk

Kingtal0n · 09-25-2018, 06:47 AM

Its the maf. Its always the maf (its never the maf) lol

1500rpm cut = no maf to ecu

zenkicpe · 09-25-2018, 10:26 AM

MAF wiring? Boost leak and bad MAF wiring?

smoketherear · 09-25-2018, 11:31 AM

At the pigtail the maf is getting the sign ,power and ground

Sent from my Pixel 2 XL using Tapatalk

09-24-2018, 07:19 PM	#1
smoketherear Zilvia Member Join Date: Jun 2012 Location: Queens N.y Age: 29 Posts: 181 Trader Rating: (1) Feedback Score: 1 reviews	S14 sr20det 1500 rpm cut What's up guys, I've dug through decades worth of old posts hoping that someone has encountered this problem before with a resolution. All my Nissan gurus any input would be greatly appreciated. Things already checked off and changed: Knock sensor Ecu coolant sensor Maf ( tested with a known working one) Ecu same as maf tested with a known good working one O2 sensor swapped with a new one Fueling on the car it has a new pump Oem injectors where cleaned and tested No codes present via Nissan consult. Swapped the trigger disc with a known good one out of my car . https://youtu.be/GsDLvj4Cgow Sent from my Pixel 2 XL using Tapatalk

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09-25-2018, 06:47 AM	#2
Kingtal0n Post Whore! Join Date: Jul 2005 Location: South Florida Age: 38 Posts: 4,649 Trader Rating: (17) Feedback Score: 17 reviews	Its the maf. Its always the maf (its never the maf) lol 1500rpm cut = no maf to ecu

09-25-2018, 10:26 AM	#3
zenkicpe Zilvia Member Join Date: Apr 2015 Location: NEPA Age: 40 Posts: 267 Trader Rating: (1) Feedback Score: 1 reviews	MAF wiring? Boost leak and bad MAF wiring?

09-25-2018, 11:31 AM	#4
smoketherear Zilvia Member Join Date: Jun 2012 Location: Queens N.y Age: 29 Posts: 181 Trader Rating: (1) Feedback Score: 1 reviews	At the pigtail the maf is getting the sign ,power and ground Sent from my Pixel 2 XL using Tapatalk