Service engine soon light and water temp issues

Stanfillt · 01-07-2018, 08:25 PM

Hey hoping someone can help me identify what’s going on with my 2009 nismo. I was recently in a wreck where I hydroplaned and shot off the freeway. My front bumper was ripped off during the incident causing some damage to various parts (see photo). The shop claims to have fixed the following issues; windshield fluid reservoir (replaced), front power steering plug, front body radiator support (cracked), power steering oil cooler (replaced), and cooling system vacuum fill along with some body work.

I got my car back from the shop a couple weeks ago and just Friday my service engine soon light came on. I immediately pulled over, checked all my fluids and everything. After not seeing anything wrong I proceeded to drive home while keeping an eye on my gauges. I noticed my water temp gauge was bouncing all over the place. Jumping from normal to high back to normal, then slowly creeping up and down (see video). Upon getting home, I let the car cool down and then I checked my radiator fluids. The reservoir was slightly above max, and the radiator was empty. I filled it up with water, drove it around the block to get it up to temp, shut it down and checked the fluids again when it cooled. I noticed it was slightly lower. I looked down inside the bumper underneath the radiator and saw some coolant spray marks on the underside (pic). I’ve since parked the car and trying to get ahold of the shop to see if they will investigate but of course they are closed weekends.

Any thoughts?

Stanfillt · 01-07-2018, 08:27 PM

SouthArk370Z · 01-07-2018, 08:31 PM

Probably air in the cooling system - purge it.

Get an OBD tool and see if any DTCs have been thrown. The Z is pretty good at diagnosing itself.

Stanfillt · 01-07-2018, 08:55 PM

Update: just went and checked the radiator levels again and it's low on water without any noticeable drips under the car. Aside from the video posted above

01-07-2018, 08:25 PM	#1 (permalink)
Stanfillt Base Member Join Date: Apr 2014 Location: San Diego Posts: 9 Drives: 2009 370z Nismo Rep Power: 11	Service engine soon light and water temp issues Hey hoping someone can help me identify what’s going on with my 2009 nismo. I was recently in a wreck where I hydroplaned and shot off the freeway. My front bumper was ripped off during the incident causing some damage to various parts (see photo). The shop claims to have fixed the following issues; windshield fluid reservoir (replaced), front power steering plug, front body radiator support (cracked), power steering oil cooler (replaced), and cooling system vacuum fill along with some body work. I got my car back from the shop a couple weeks ago and just Friday my service engine soon light came on. I immediately pulled over, checked all my fluids and everything. After not seeing anything wrong I proceeded to drive home while keeping an eye on my gauges. I noticed my water temp gauge was bouncing all over the place. Jumping from normal to high back to normal, then slowly creeping up and down (see video). Upon getting home, I let the car cool down and then I checked my radiator fluids. The reservoir was slightly above max, and the radiator was empty. I filled it up with water, drove it around the block to get it up to temp, shut it down and checked the fluids again when it cooled. I noticed it was slightly lower. I looked down inside the bumper underneath the radiator and saw some coolant spray marks on the underside (pic). I’ve since parked the car and trying to get ahold of the shop to see if they will investigate but of course they are closed weekends. Any thoughts?

01-07-2018, 08:31 PM	#3 (permalink)
SouthArk370Z Premium Member Join Date: Nov 2010 Location: South Arkansas Posts: 8,435 Drives: 2014 Challenger Rep Power: 324198	Probably air in the cooling system - purge it. Get an OBD tool and see if any DTCs have been thrown. The Z is pretty good at diagnosing itself. Trips and Z_ealot like 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

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
Service Engine Soon (SES) light	kenwood	New 370Z Owner	8	07-20-2013 06:55 PM
Service engine light and traction light on, and syncrorev wont work	Zenmaster	Engine & Drivetrain	11	05-10-2013 08:32 PM
Service Engine Light Soon Light after Exhaust Install	chrislee	Intake/Exhaust	8	01-12-2013 12:18 AM
Service Engine Soon Issues?	Tauruszguy	Nissan 370Z General Discussions	17	06-24-2009 01:22 AM
HELP!!!! Service engine light came on	tru_Asiatik	Engine & Drivetrain	31	04-15-2009 08:38 PM

01-07-2018, 08:55 PM	#4 (permalink)
Stanfillt Base Member Join Date: Apr 2014 Location: San Diego Posts: 9 Drives: 2009 370z Nismo Rep Power: 11	Update: just went and checked the radiator levels again and it's low on water without any noticeable drips under the car. Aside from the video posted above