"check engine soon" flashing.. helpppp

res0zsfa · 02-17-2014, 04:01 AM

I was driving home today from work and my z was flashing its "check engine soon" light. The engine became groggy and wouldnt let me rev over 4k rpm. When arriving home, the check engine light stopped flashing and it became normal again... I always had the CEL on because of my test pipes, but this is the first time that it would blink on and off. Any suggestions why this is happening? Maybe cylinder misfire? My Z is a 09, 60k miles with stillen exhaust and intake. Any help would be much appreciated.

DEpointfive0 · 02-17-2014, 04:10 AM

Cylinder misfire. Get a code reader. No one else will help until you give us all the codes.
Clean your MAF sensors

edub370 · 02-17-2014, 09:11 AM

if a check engine light flashes, its a misfire. i would start with plugs

7speed · 02-17-2014, 10:42 AM

Mine is at dealer as of Saturday. Like everyone said get code read. Mine was p300 which I had of and on ever since aem intakes.
I couldn't get it to clear and this time the ses would also flash , so I was going to clean Maf but noticed oil around valve covers. So I took to dealer since I thought they changed valve cover in November because I brought in because p300 but they didn't. They just did throttle body relearn and oil change and crush gasket.
Dealer is going to change coils and plugs because could be fouled from the oil so we will see if finally gets resolved.

res0zsfa · 02-17-2014, 12:33 PM

Thanks for the info. Error code is p0011. I just got my synthetic oil change done at the dealership a week back. I've been getting synthetic oil changes at jiffy lube all these years though

DEpointfive0 · 02-17-2014, 12:55 PM

Have P0011 on? Here's a checklist on what might be causing it. - NASIOC

If that helps

SurfDog · 09-20-2017, 08:20 PM

It could be your oil gallery gaskets and that will cause a blown motor. Get the motor diagnosed asap and mention the gaskets.

rey127 · 09-21-2017, 01:59 PM

mine showed up 4 days ago but stopped after driving for less than a minute. I assumed it was because unplugged the battery when installing my kick plates. But if it happens again I'll then check on the recommendations here.

SurfDog · 09-21-2017, 07:21 PM

If you are pre 2012 the gaskets are definitely a concern. Do not mess around with it. Expensive fix but much better than a whole new motor. (Believe me). This is what was left of my no 6 piston when that gasket finally let go of all the oil pressure.

(Fished from the oil pan...)

02-17-2014, 04:01 AM	#1 (permalink)
res0zsfa Base Member Join Date: Dec 2009 Location: Mukilteo/Seattle Posts: 248 Drives: 09 370z PW MT Rep Power: 15	"check engine soon" flashing.. helpppp I was driving home today from work and my z was flashing its "check engine soon" light. The engine became groggy and wouldnt let me rev over 4k rpm. When arriving home, the check engine light stopped flashing and it became normal again... I always had the CEL on because of my test pipes, but this is the first time that it would blink on and off. Any suggestions why this is happening? Maybe cylinder misfire? My Z is a 09, 60k miles with stillen exhaust and intake. Any help would be much appreciated.

02-17-2014, 04:10 AM	#2 (permalink)
DEpointfive0 Premium Member Bitches Join Date: Jan 2012 Location: SoCal Posts: 14,824 Drives: a lot Rep Power: 17151	Cylinder misfire. Get a code reader. No one else will help until you give us all the codes. Clean your MAF sensors 7speed and ZeroZeta like this. __________________ Do YOU want to know what/where I got my username from? ( Click to show/hide ) NSFW due to language:

02-17-2014, 09:11 AM	#3 (permalink)
edub370 A True Z Fanatic Join Date: May 2011 Location: KCMO Posts: 3,458 Drives: 09 370z S/T 6MT Rep Power: 20	if a check engine light flashes, its a misfire. i would start with plugs 7speed likes this. __________________ 09 370Z ST 6MT//Injen CAI//Greddy CBE//TP//TSW's//Swifts//Stillen lip//Whiteline sways 326whp/268tq

02-17-2014, 10:42 AM	#4 (permalink)
7speed Track Member Join Date: Jan 2013 Location: Dallas Posts: 697 Drives: 09 370 sports clone Rep Power: 13	Mine is at dealer as of Saturday. Like everyone said get code read. Mine was p300 which I had of and on ever since aem intakes. I couldn't get it to clear and this time the ses would also flash , so I was going to clean Maf but noticed oil around valve covers. So I took to dealer since I thought they changed valve cover in November because I brought in because p300 but they didn't. They just did throttle body relearn and oil change and crush gasket. Dealer is going to change coils and plugs because could be fouled from the oil so we will see if finally gets resolved. __________________ 09 370z 6spd traded 1/12/15 for 15 Challenger RT 6spd

02-17-2014, 12:55 PM	#6 (permalink)
DEpointfive0 Premium Member Bitches Join Date: Jan 2012 Location: SoCal Posts: 14,824 Drives: a lot Rep Power: 17151	Have P0011 on? Here's a checklist on what might be causing it. - NASIOC If that helps __________________ Do YOU want to know what/where I got my username from? ( Click to show/hide ) NSFW due to language:

02-17-2014, 12:33 PM	#5 (permalink)
res0zsfa Base Member Join Date: Dec 2009 Location: Mukilteo/Seattle Posts: 248 Drives: 09 370z PW MT Rep Power: 15	Thanks for the info. Error code is p0011. I just got my synthetic oil change done at the dealership a week back. I've been getting synthetic oil changes at jiffy lube all these years though

09-20-2017, 08:20 PM	#7 (permalink)
SurfDog A True Z Fanatic Join Date: May 2012 Location: Colorado (9000 feet) Age: 56 Posts: 1,796 Drives: 09 6mt, 13 Sequoia, Rep Power: 15749	It could be your oil gallery gaskets and that will cause a blown motor. Get the motor diagnosed asap and mention the gaskets. __________________ 09 6spd Berk CBE, JWT cams, ZSpeed CSC, Stillen (25 row oil, brake cooling, sways, gen3 CAI), Passport (9500ci), Quaife LSD, Z1 400 hp kit, ss lines, pads, rotors, clutch etc, Phunk's pan and fuel starve fix

09-21-2017, 01:59 PM	#8 (permalink)
rey127 Base Member Join Date: Apr 2011 Location: NY Posts: 80 Drives: 2015 Sport Tech Rep Power: 14	mine showed up 4 days ago but stopped after driving for less than a minute. I assumed it was because unplugged the battery when installing my kick plates. But if it happens again I'll then check on the recommendations here. SurfDog likes this.

09-21-2017, 07:21 PM	#9 (permalink)
SurfDog A True Z Fanatic Join Date: May 2012 Location: Colorado (9000 feet) Age: 56 Posts: 1,796 Drives: 09 6mt, 13 Sequoia, Rep Power: 15749	If you are pre 2012 the gaskets are definitely a concern. Do not mess around with it. Expensive fix but much better than a whole new motor. (Believe me). This is what was left of my no 6 piston when that gasket finally let go of all the oil pressure. (Fished from the oil pan...) __________________ 09 6spd Berk CBE, JWT cams, ZSpeed CSC, Stillen (25 row oil, brake cooling, sways, gen3 CAI), Passport (9500ci), Quaife LSD, Z1 400 hp kit, ss lines, pads, rotors, clutch etc, Phunk's pan and fuel starve fix

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