service engine soon light help

gunner · 12-11-2012, 01:11 PM

I just changed the oil about 100 miles ago and my
Oil Maintenance light came on yesterday.
I resent it last night and this morning on the way
to work I see my service engine soon light is on.
Can I reset this or should I take it in ?

forza370z · 12-11-2012, 01:16 PM

If it comes back after reset then there must be something goes wrong. Check what the error code says first.

Cmike2780 · 12-11-2012, 02:17 PM

I would check your oil level and check for leaks only because you think it might be related. Scan it and see if you can pull an OBD code. It could anything from an open gas cap to a serious engine problem. We can't help without more info. The oil maintenance is just a reminder, nothing more. You can't screw anything up by resetting that.

gunner · 12-11-2012, 02:55 PM

I will go get a scan after work.

gunner · 12-11-2012, 06:12 PM

Autozone scan said.
catalyst system efficiency below threshold- bank 2
probable cause.
1-large vacuum leak.
2-fuel system fault.
3-ignition system fault.
4-failed bank 2 catalytic converter.
Looks like the ECU is picking up the car don't have the cats. Just my guess.

dastaco · 12-11-2012, 06:24 PM

Your O2 sensors are really close to where you would be working when changing your oil. I'm wondering if while doing your oil you didn't bump one of the sensors and knock it loose?

SPOHN · 12-11-2012, 08:48 PM

Quote:

Originally Posted by gunner

Autozone scan said.
catalyst system efficiency below threshold- bank 2
probable cause.
1-large vacuum leak.
2-fuel system fault.
3-ignition system fault.
4-failed bank 2 catalytic converter.
Looks like the ECU is picking up the car don't have the cats. Just my guess.

Most likely the O2. You show you have TT's. So does that mean you had your car tuned via Uprev. Have the code deleted.

Quote:

Originally Posted by dastaco

Your O2 sensors are really close to where you would be working when changing your oil. I'm wondering if while doing your oil you didn't bump one of the sensors and knock it loose?

The O2's are no where near where you change the oil.

DEpointfive0 · 12-11-2012, 08:52 PM

Yeah, if you have TPs, you'll throw a code 9 times out of 10 unless you have bung extenders and such

dastaco · 12-11-2012, 09:00 PM

Ok, so I went back and looked at some of my exhaust install photos and you're kind right. Its not super close but its close enough that you could bump them. Its also possible that I'm the only one concerned with this because I flail around wildly when working on cars.

Picture for position reference.

Z_ealot · 12-11-2012, 09:13 PM

just a small suggestion, but based on the possibility of a large vacuum leak has the OP checked to make sure the oil cap on top of his engine is screwed in all the way? i know it sounds stupid, but couldnt hurt to check.

Cmike2780 · 12-11-2012, 09:28 PM

I'd bring it to the performance shop that installed and tuned the turbos if you can. The shop needs to tackle each probable cause one by one. I'd def check off any of the basics like making sure all caps, intake lines....etc...are secured. Clear the codes and see if it comes back. Just make sure you have a record of what codes popped up before clearing.

gunner · 12-12-2012, 01:23 PM

Quote:

Originally Posted by Cmike2780

I'd bring it to the performance shop that installed and tuned the turbos if you can. The shop needs to tackle each probable cause one by one. I'd def check off any of the basics like making sure all caps, intake lines....etc...are secured. Clear the codes and see if it comes back. Just make sure you have a record of what codes popped up before clearing.

Taking it to Dyno comp Thursday. I will let you guys know what I find out.
Thanks for all the info.
Tony

gunner · 12-13-2012, 06:01 PM

well don't know what to tell you, started the car up today and service engine soon light was off.

SouthArk370Z · 12-13-2012, 06:13 PM

IIRC, some warnings have to go through a cycle (eg, so many starts) before they auto-clear. Can't remember where I saw that, so don't place a lot of stock in it. If your Owner's Manual doesn't tell you about it, let me know and I'll see what I can find in the FSMs

Jack370Z · 12-15-2012, 09:22 PM

With a "fuel system fault" code showing, it could be something as simple as the fuel fill cap not seated completely.

12-11-2012, 01:11 PM	#1 (permalink)
gunner Base Member Join Date: Nov 2012 Location: arizona Posts: 27 Drives: 2009 GTM twin turbo Rep Power: 13	service engine soon light help I just changed the oil about 100 miles ago and my Oil Maintenance light came on yesterday. I resent it last night and this morning on the way to work I see my service engine soon light is on. Can I reset this or should I take it in ?

12-11-2012, 01:16 PM	#2 (permalink)
forza370z A True Z Fanatic Join Date: Oct 2011 Location: 403 Forbidden Posts: 2,512 Drives: 2009 NISMO 370Z Rep Power: 19	If it comes back after reset then there must be something goes wrong. Check what the error code says first. DEpointfive0 likes this.

12-11-2012, 02:17 PM	#3 (permalink)
Cmike2780 A True Z Fanatic Join Date: Jun 2010 Location: Long Island Posts: 5,059 Drives: slowwww Rep Power: 29	I would check your oil level and check for leaks only because you think it might be related. Scan it and see if you can pull an OBD code. It could anything from an open gas cap to a serious engine problem. We can't help without more info. The oil maintenance is just a reminder, nothing more. You can't screw anything up by resetting that. SouthArk370Z likes this. __________________ [09][MB][6-Spd MT][Touring][Stillen Gen III][K&N][Borla CBE][Evo-R] [ArchitTEK Photography]

12-11-2012, 06:12 PM	#5 (permalink)
gunner Base Member Join Date: Nov 2012 Location: arizona Posts: 27 Drives: 2009 GTM twin turbo Rep Power: 13	Autozone scan said. catalyst system efficiency below threshold- bank 2 probable cause. 1-large vacuum leak. 2-fuel system fault. 3-ignition system fault. 4-failed bank 2 catalytic converter. Looks like the ECU is picking up the car don't have the cats. Just my guess. DEpointfive0 likes this.

12-11-2012, 06:24 PM	#6 (permalink)
dastaco Enthusiast Member Join Date: Jul 2011 Location: Cincinnati Posts: 348 Drives: Questionably Rep Power: 14	Your O2 sensors are really close to where you would be working when changing your oil. I'm wondering if while doing your oil you didn't bump one of the sensors and knock it loose? __________________

12-11-2012, 02:55 PM	#4 (permalink)
gunner Base Member Join Date: Nov 2012 Location: arizona Posts: 27 Drives: 2009 GTM twin turbo Rep Power: 13	I will go get a scan after work.

12-11-2012, 08:52 PM	#8 (permalink)
DEpointfive0 Premium Member Bitches Join Date: Jan 2012 Location: SoCal Posts: 14,824 Drives: a lot Rep Power: 17151	Yeah, if you have TPs, you'll throw a code 9 times out of 10 unless you have bung extenders and such

12-11-2012, 09:00 PM	#9 (permalink)
dastaco Enthusiast Member Join Date: Jul 2011 Location: Cincinnati Posts: 348 Drives: Questionably Rep Power: 14	Ok, so I went back and looked at some of my exhaust install photos and you're kind right. Its not super close but its close enough that you could bump them. Its also possible that I'm the only one concerned with this because I flail around wildly when working on cars. Picture for position reference. __________________ Last edited by dastaco; 12-11-2012 at 09:04 PM.

12-11-2012, 09:13 PM	#10 (permalink)
Z_ealot A True Z Fanatic Join Date: Sep 2010 Location: Albuquerque, NM Posts: 2,045 Drives: 09 370Z Touring/Sprt Rep Power: 10091	just a small suggestion, but based on the possibility of a large vacuum leak has the OP checked to make sure the oil cap on top of his engine is screwed in all the way? i know it sounds stupid, but couldnt hurt to check. SouthArk370Z likes this.

12-11-2012, 09:28 PM	#11 (permalink)
Cmike2780 A True Z Fanatic Join Date: Jun 2010 Location: Long Island Posts: 5,059 Drives: slowwww Rep Power: 29	I'd bring it to the performance shop that installed and tuned the turbos if you can. The shop needs to tackle each probable cause one by one. I'd def check off any of the basics like making sure all caps, intake lines....etc...are secured. Clear the codes and see if it comes back. Just make sure you have a record of what codes popped up before clearing. __________________ [09][MB][6-Spd MT][Touring][Stillen Gen III][K&N][Borla CBE][Evo-R] [ArchitTEK Photography]

12-13-2012, 06:01 PM	#13 (permalink)
gunner Base Member Join Date: Nov 2012 Location: arizona Posts: 27 Drives: 2009 GTM twin turbo Rep Power: 13	well don't know what to tell you, started the car up today and service engine soon light was off.

12-13-2012, 06:13 PM	#14 (permalink)
SouthArk370Z Premium Member Join Date: Nov 2010 Location: South Arkansas Posts: 8,435 Drives: 2014 Challenger Rep Power: 324198	IIRC, some warnings have to go through a cycle (eg, so many starts) before they auto-clear. Can't remember where I saw that, so don't place a lot of stock in it. If your Owner's Manual doesn't tell you about it, let me know and I'll see what I can find in the FSMs DEpointfive0 likes this. __________________ Steering Lock Links - Search The370Z Bookmarklet - FSM @ NICOclub Mankind has progressed past the need for war but we haven't evolved that far. - NachoMahma

12-15-2012, 09:22 PM	#15 (permalink)
Jack370Z Base Member Join Date: Oct 2009 Location: South Carolina Posts: 128 Drives: 09 370Z Plat SP 6MT Rep Power: 16	With a "fuel system fault" code showing, it could be something as simple as the fuel fill cap not seated completely. DEpointfive0 likes this. __________________ Jack 09 370Z

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