Need help! Engine sputtering/ no power/ fuel smell - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

mastadon · 01-21-2016, 11:53 AM

Hey guys, i am having a serious issue with my 93 s13 with the KADE. A week or two ago i was driving and suddenly the engine lost power, feels like its about 50hp. The car shakes, no power and it cosumed a lot if fuel in a short time. It now smells like raw gas fumes are coming out of the exhaust.

I figured one cylinder wasnt working, so i pulled a plug wire one at a time to see if i could rule one out. Well cylinder #2 seemed to be the one. I put all new spark plugs and plug wires in thinking that would fix it and it did nothing. So then i start thinking it might be the injector, so test them all and the resistance on them are 13.5, 21, 50, 11. Surprisingly the one at 50 is cyl 3. #2 is 21.

So, my question is, how do i know what the resistance of the injectors should be, and is there any recommendations on other tests that i can do for the injectors?
Also, if someone thinks im on the wrong track, let me know, o rings maybe? I need to sell this car, so need to get it running right asap. Thanks

ZaK687 · 01-21-2016, 12:22 PM

Check and replace your o rings is what I'd do.

w0nderbr3ad · 01-21-2016, 01:27 PM

The resistance of each injector should be roughly 11ohms on each one.

1988montecarloss · 01-21-2016, 04:01 PM

injector stuck/sticking? swap the injector from the misfiring cyl to another and see if it follows

SoundEfx · 01-21-2016, 04:51 PM

Are you using the same injectors because that is a wide range of values?

KAT-PWR · 01-21-2016, 05:12 PM

Take the rail off.
Prime fuel system... Do any injectors drip?
Yes- Check/Replace o-rings
No- Put a paper towel under them and spin the motor.
Do they all fire the same?
Yes- Shouldnt have an issue
No- Replace problem injector

Factory resistance is 11-14 ohms I think. So either you're not measuring correctly or you have 2 bad injectors

Bad coolant temp sensor can cause super rich condition

mastadon · 01-25-2016, 01:00 PM

Thanks for the suggestions. I will have to time to try them this week and i will report back my results.

01-21-2016, 11:53 AM	#1
mastadon Leaky Injector Join Date: Dec 2003 Location: usa Posts: 117 Trader Rating: (1) Feedback Score: 1 reviews	Need help! Engine sputtering/ no power/ fuel smell Hey guys, i am having a serious issue with my 93 s13 with the KADE. A week or two ago i was driving and suddenly the engine lost power, feels like its about 50hp. The car shakes, no power and it cosumed a lot if fuel in a short time. It now smells like raw gas fumes are coming out of the exhaust. I figured one cylinder wasnt working, so i pulled a plug wire one at a time to see if i could rule one out. Well cylinder #2 seemed to be the one. I put all new spark plugs and plug wires in thinking that would fix it and it did nothing. So then i start thinking it might be the injector, so test them all and the resistance on them are 13.5, 21, 50, 11. Surprisingly the one at 50 is cyl 3. #2 is 21. So, my question is, how do i know what the resistance of the injectors should be, and is there any recommendations on other tests that i can do for the injectors? Also, if someone thinks im on the wrong track, let me know, o rings maybe? I need to sell this car, so need to get it running right asap. Thanks

01-21-2016, 04:01 PM	#4
1988montecarloss Nissanaholic! Join Date: Jun 2012 Location: Bardley Age: 32 Posts: 1,996 Trader Rating: (24) Feedback Score: 24 reviews	injector stuck/sticking? swap the injector from the misfiring cyl to another and see if it follows __________________ IG: @Haley72692

01-21-2016, 04:51 PM	#5
SoundEfx Zilvia FREAK! Join Date: Aug 2015 Location: WA Posts: 1,250 Trader Rating: (1) Feedback Score: 1 reviews	Are you using the same injectors because that is a wide range of values? __________________

01-21-2016, 05:12 PM	#6
KAT-PWR Nissanaholic! Join Date: Dec 2011 Location: US Posts: 2,040 Trader Rating: (11) Rides Gallery: KAT-PWR Feedback Score: 11 reviews	Take the rail off. Prime fuel system... Do any injectors drip? Yes- Check/Replace o-rings No- Put a paper towel under them and spin the motor. Do they all fire the same? Yes- Shouldnt have an issue No- Replace problem injector Factory resistance is 11-14 ohms I think. So either you're not measuring correctly or you have 2 bad injectors Bad coolant temp sensor can cause super rich condition __________________ MRP Manufacturing

01-21-2016, 12:22 PM	#2
ZaK687 Zilvia Addict Join Date: Apr 2013 Location: LIVERMORE, CA Posts: 838 Trader Rating: (16) Feedback Score: 16 reviews	Check and replace your o rings is what I'd do.

01-21-2016, 01:27 PM	#3
w0nderbr3ad Zilvia FREAK! Join Date: Feb 2004 Location: Vantucky Posts: 1,294 Trader Rating: (50) Feedback Score: 50 reviews	The resistance of each injector should be roughly 11ohms on each one.

01-25-2016, 01:00 PM	#7
mastadon Leaky Injector Join Date: Dec 2003 Location: usa Posts: 117 Trader Rating: (1) Feedback Score: 1 reviews	Thanks for the suggestions. I will have to time to try them this week and i will report back my results.