Is it the Starter , Alternator, battery or fuel related - long Crank to Start Car in Morning

Discussion of Infiniti's amazing (and underrated) sport-luxury crossovers, the EX35 and EX37. For 2014, the EX series will be renamed QX50, in line with Ininfiit's new naming conventions.
tooth knockn
Posts: 52
Joined: Sun Feb 18, 2018 12:39 pm
Car: 2009 ex35

Re: Is it the Starter , Alternator, battery or fuel related - long Crank to Start Car in Morning

Postby tooth knockn » Thu Jul 08, 2021 10:04 am

Dzionassi wrote:
Sat Jul 03, 2021 2:28 pm
BG44K. MMO is for kids, but is it better than seafom

Hi I just got the bg44k, should I mix w/ full tank of gas or half?….

My own mechanic didn’t want to change the starter . ..

He said it also be the Camshaft sensors or crank shaft sensor


tooth knockn
Posts: 52
Joined: Sun Feb 18, 2018 12:39 pm
Car: 2009 ex35

Re: Is it the Starter , Alternator, battery or fuel related - long Crank to Start Car in Morning

Postby tooth knockn » Thu Jul 08, 2021 10:09 am

He said wait for check engine light….

This is annoying…
I just want to prevent getting stuck…sigh

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VStar650CL
Posts: 2290
Joined: Thu Nov 12, 2020 1:25 pm
Car: 2013 Nissan Altima 2.5 SL
2004 Nissan Altima 2.5 S

Re: Is it the Starter , Alternator, battery or fuel related - long Crank to Start Car in Morning

Postby VStar650CL » Thu Jul 08, 2021 10:32 am

tooth knockn wrote:
Thu Jul 08, 2021 10:04 am
He said it also be the Camshaft sensors or crank shaft sensor
+1. Crank more likely than cam.
tooth knockn wrote:
Thu Jul 08, 2021 10:09 am
He said wait for check engine light…
-1. There's an easy test to distinguish CKP from CMP on most Nissans, which is put a streaming scanner on it while it's acting up and see if it shows steady RPM while cranking. The ECM gets its RPM data exclusively from the crank, so if the RPM reads 0 or jumps around while cranking, the CKP is the culprit. If it reads steady and normal, then a CMP is responsible.

tooth knockn
Posts: 52
Joined: Sun Feb 18, 2018 12:39 pm
Car: 2009 ex35

Re: Is it the Starter , Alternator, battery or fuel related - long Crank to Start Car in Morning

Postby tooth knockn » Fri Jul 09, 2021 8:32 am

VStar650CL wrote:
Thu Jul 08, 2021 10:32 am
tooth knockn wrote:
Thu Jul 08, 2021 10:04 am
He said it also be the Camshaft sensors or crank shaft sensor
+1. Crank more likely than cam.
tooth knockn wrote:
Thu Jul 08, 2021 10:09 am
He said wait for check engine light…
-1. There's an easy test to distinguish CKP from CMP on most Nissans, which is put a streaming scanner on it while it's acting up and see if it shows steady RPM while cranking. The ECM gets its RPM data exclusively from the crank, so if the RPM reads 0 or jumps around while cranking, the CKP is the culprit. If it reads steady and normal, then a CMP is responsible.
Hi ok I’ll try that, I have a Bluetooth obd ii scanner with certain filters…

But what is ckp and cmp? K for crank? M for Cam?

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VStar650CL
Posts: 2290
Joined: Thu Nov 12, 2020 1:25 pm
Car: 2013 Nissan Altima 2.5 SL
2004 Nissan Altima 2.5 S

Re: Is it the Starter , Alternator, battery or fuel related - long Crank to Start Car in Morning

Postby VStar650CL » Fri Jul 09, 2021 1:44 pm

tooth knockn wrote:
Fri Jul 09, 2021 8:32 am
But what is ckp and cmp? K for crank? M for Cam?
Yep, standard industry lingo. CranK Position, CaM Position.


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