Random starting problems?

s2krazyyy · 01-27-2016, 04:21 AM

Do any of you guys have random start up issues? My car seems to randomly struggle to start and when this happens the tach needle will get stuck at the 6 o'clock position until I give it a few revs. This start up issue usually happens for about 2-3 start cycles until it goes back to starting up normally and then it will randomly come back. The first time this happened it left me stranded because I killed the battery trying to crank it. I charged the battery and the volt gauge reads around 14-15 so im not sure its that. Could it be a sensor going bad? Any help would be much appreciated!!

grobie · 01-27-2016, 04:58 AM

Have the battery tested to make sure it's holding a good charge. You can also try a battery dis-connect to reset the system. Disconnect your negative terminal for about 5 to 10 minutes to see if this helps. Are you getting any dash lights (Codes)?

s2krazyyy · 01-28-2016, 04:32 PM

No dash light codes but ill try and reset it with the battery terminal.

Bshields22 · 01-28-2016, 05:14 PM

Every now and then i have start up issues too. It feels like its very weak in cranking the engine then gives up and stops. I start it again with a tap on the accelerator and its fine. Cars runs beautifully after. Whats even more weird is that this was constant in both my Z's AND my 2011 Infiniti FX35. Because it is so consistent and all cars have new batteries i doubt its a battery issue (as long as we are talking the same issue). I gave up taking it to the dealerships because they can never duplicate it. Never really causes me issues and i just live with it. no performance issues, gas issues or anything. usually happens once every few weeks

Bshields22 · 01-28-2016, 05:15 PM

Future recall....?

s2krazyyy · 01-28-2016, 08:23 PM

Quote:

Originally Posted by Bshields22

Every now and then i have start up issues too. It feels like its very weak in cranking the engine then gives up and stops. I start it again with a tap on the accelerator and its fine. Cars runs beautifully after. Whats even more weird is that this was constant in both my Z's AND my 2011 Infiniti FX35. Because it is so consistent and all cars have new batteries i doubt its a battery issue (as long as we are talking the same issue). I gave up taking it to the dealerships because they can never duplicate it. Never really causes me issues and i just live with it. no performance issues, gas issues or anything. usually happens once every few weeks

Dam that sucks. I also don't think its the battery but maybe a faulty sensor? I read something about the crank positioning sensor being bad on this car but its not a cheap sensor(160) to just buy and see if it fixes the problem.

1slow370 · 01-30-2016, 01:00 AM

Do you have an aftermarket flywheel if so which one. The tach issue makes me think it is indeed a cps or ckps sensor issue. Some aftermarket flywheels can wipe out the tip of the crank sensor. Try pulling the cam and crank sensors and cleaning the tips of them the crank is behing one of the heads down by the trans and the two cam sensors are the little black plastic ones on the front covers. See if they are damaged or covered in crap.

stansens · 02-05-2016, 11:18 PM

Don't know if it would help but most of the Nissan that I have worked on have engine ground wire issues as they grow older due to corrosion. Firstly I would recommend that you make sure your battery connections are super clean and tight once you put them back on. Ground wires can easily be removed all corrosion sanded away and reinstalled. If your voltmeter is reading over 14.4 volts your alternator is over charging which will damage your battery and other components. The connections to the starter itself should be checked cleaned and tightened. It's a bit of work but all of it fairly easy prior to shelling out big bucks for batteries etc. Hope you find it soon.

geddit · 12-22-2019, 01:13 AM

Need help. Car just will not start after driving to the shop. After depressing clutch engine will not turn over. 6spd MT, no modifications. Checked the battery, no warning lights. Checked steering lock problem. No issues because fuse has been pulled out. So had it towed home. Checked fuses:- in the engine and passenger footwell, all ok. Running out of ideas...

axmea? · 12-22-2019, 02:44 AM

Dirty MAF or defective clutch pedal position switch?

geddit · 12-22-2019, 05:21 AM

Thanks Axmea. Will try to look into that route

SteveSAS · 12-24-2019, 05:58 AM

Try hitting starter motor with a hammer but not too hard.
This will loosen brush contacts if that's the issue.
Also make sure car acknowledges clutch is pressed in.
Look up service manual for trouble shooting no crank fault. And check it's not a fob flat battery.

01-27-2016, 04:21 AM	#1 (permalink)
s2krazyyy Base Member Join Date: Oct 2015 Location: California Posts: 162 Drives: 2010 40th 370z Rep Power: 45	Random starting problems? Do any of you guys have random start up issues? My car seems to randomly struggle to start and when this happens the tach needle will get stuck at the 6 o'clock position until I give it a few revs. This start up issue usually happens for about 2-3 start cycles until it goes back to starting up normally and then it will randomly come back. The first time this happened it left me stranded because I killed the battery trying to crank it. I charged the battery and the volt gauge reads around 14-15 so im not sure its that. Could it be a sensor going bad? Any help would be much appreciated!!

01-28-2016, 05:14 PM	#4 (permalink)
Bshields22 Enthusiast Member Join Date: Nov 2012 Location: Anaheim, CA Posts: 422 Drives: 2012 Black 370Z-R Rep Power: 698	Every now and then i have start up issues too. It feels like its very weak in cranking the engine then gives up and stops. I start it again with a tap on the accelerator and its fine. Cars runs beautifully after. Whats even more weird is that this was constant in both my Z's AND my 2011 Infiniti FX35. Because it is so consistent and all cars have new batteries i doubt its a battery issue (as long as we are talking the same issue). I gave up taking it to the dealerships because they can never duplicate it. Never really causes me issues and i just live with it. no performance issues, gas issues or anything. usually happens once every few weeks __________________ 308 rwhp \| 252 rwtq \| Fast Intentions CBE 18" Res \| Stillen Gen 3 CAI \| EcuTek Tune \| Stoptech Slotted Rotors and Sport Pads \| KW V3 Coilovers \| SPL Upper Control Arms & Lower Rear Arms \| Seibon CF TS Hood \| Vossen CVT \| SPC Toe bolts

01-28-2016, 05:15 PM	#5 (permalink)
Bshields22 Enthusiast Member Join Date: Nov 2012 Location: Anaheim, CA Posts: 422 Drives: 2012 Black 370Z-R Rep Power: 698	Future recall....? __________________ 308 rwhp \| 252 rwtq \| Fast Intentions CBE 18" Res \| Stillen Gen 3 CAI \| EcuTek Tune \| Stoptech Slotted Rotors and Sport Pads \| KW V3 Coilovers \| SPL Upper Control Arms & Lower Rear Arms \| Seibon CF TS Hood \| Vossen CVT \| SPC Toe bolts

01-30-2016, 01:00 AM	#7 (permalink)
1slow370 A True Z Fanatic Join Date: Aug 2009 Location: In the D Posts: 3,732 Drives: v8 74 260z ;) Rep Power: 7251	Do you have an aftermarket flywheel if so which one. The tach issue makes me think it is indeed a cps or ckps sensor issue. Some aftermarket flywheels can wipe out the tip of the crank sensor. Try pulling the cam and crank sensors and cleaning the tips of them the crank is behing one of the heads down by the trans and the two cam sensors are the little black plastic ones on the front covers. See if they are damaged or covered in crap. __________________ ANSWER PRICE LIST Answers - - - - - - - - - - - - - - - - $0.75 Answers (requiring thought) - - - - $1.25 Answers (correct) - - - - - - - - - - $12.50

12-22-2019, 02:44 AM	#10 (permalink)
axmea? A True Z Fanatic Join Date: Apr 2012 Location: SoCal Posts: 6,236 Drives: WELL ZED PW 6MT Rep Power: 53241	Dirty MAF or defective clutch pedal position switch? SouthArk370Z likes this. __________________ >MyZ's Album< NISMO Convert/ECUTEK/Takeda CAI/F.I. HFC NR CB Carbon/F.I. 34 Row Oil Cooler/4.08 Final Drive /Powertrix+Swifts/Hotchkis/SPL/Whiteline/TWM/Zoom Engineering/EVO-R/AeroJacket Vented CF Fenders + CF Spoiler/Avant Garde-WORK/NST/Morimoto Halo/STi Clear Lenses/Carbon Signal Automotive/RJM Performance/ZSpeed Clutch Flywheel CSC delete

01-27-2016, 04:58 AM	#2 (permalink)
grobie Base Member Join Date: Jan 2015 Location: Arizona City, AZ Posts: 19 Drives: 2009 370Z Sport Rep Power: 10	Have the battery tested to make sure it's holding a good charge. You can also try a battery dis-connect to reset the system. Disconnect your negative terminal for about 5 to 10 minutes to see if this helps. Are you getting any dash lights (Codes)?

01-28-2016, 04:32 PM	#3 (permalink)
s2krazyyy Base Member Join Date: Oct 2015 Location: California Posts: 162 Drives: 2010 40th 370z Rep Power: 45	No dash light codes but ill try and reset it with the battery terminal.

02-05-2016, 11:18 PM	#8 (permalink)
stansens Base Member Join Date: Nov 2015 Location: toronto, canada Posts: 144 Drives: 2016, 370z Rep Power: 193	Don't know if it would help but most of the Nissan that I have worked on have engine ground wire issues as they grow older due to corrosion. Firstly I would recommend that you make sure your battery connections are super clean and tight once you put them back on. Ground wires can easily be removed all corrosion sanded away and reinstalled. If your voltmeter is reading over 14.4 volts your alternator is over charging which will damage your battery and other components. The connections to the starter itself should be checked cleaned and tightened. It's a bit of work but all of it fairly easy prior to shelling out big bucks for batteries etc. Hope you find it soon.

12-22-2019, 01:13 AM	#9 (permalink)
geddit Base Member Join Date: Dec 2011 Location: Brunei Posts: 17 Drives: '10 370Z 6MT, 09 AT Rep Power: 14	Need help. Car just will not start after driving to the shop. After depressing clutch engine will not turn over. 6spd MT, no modifications. Checked the battery, no warning lights. Checked steering lock problem. No issues because fuse has been pulled out. So had it towed home. Checked fuses:- in the engine and passenger footwell, all ok. Running out of ideas...

12-22-2019, 05:21 AM	#11 (permalink)
geddit Base Member Join Date: Dec 2011 Location: Brunei Posts: 17 Drives: '10 370Z 6MT, 09 AT Rep Power: 14	Thanks Axmea. Will try to look into that route

12-24-2019, 05:58 AM	#12 (permalink)
SteveSAS Base Member Join Date: Jun 2018 Location: Australia Posts: 61 Drives: 370z Rep Power: 5364	Try hitting starter motor with a hammer but not too hard. This will loosen brush contacts if that's the issue. Also make sure car acknowledges clutch is pressed in. Look up service manual for trouble shooting no crank fault. And check it's not a fob flat battery.

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