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sprinkles08
sprinkles08, ASE Certified Technician
Category: Infiniti
Satisfied Customers: 23117
Experience:  ASE Master and Advanced level certified. Factory trained with 17 years dealership experience
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Will not crank turns over tried starting fliud installed

Customer Question

will not crank turns over tried starting fliud installed crank sensor still will not crank
JA: Does the vehicle stall at low speeds? Does it sputter?
Customer: no
JA: What is the model/year of your Infiniti?
Customer: 05 qx56
JA: Are you fixing your QX56 yourself? What have you tried so far?
Customer: yes myself tried starting fluid and tried a crank sensor
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 9 months ago.
Category: Infiniti
Customer: replied 9 months ago.
Posted by JustAnswer at customer's request) Hello. I would like to request the following Expert Service(s) from you: Live Phone Call. Let me know if you need more information, or send me the service offer(s) so we can proceed.
Expert:  sprinkles08 replied 9 months ago.

Hello and welcome to JustAnswer!

I'm assuming that the starter engages and cranks the engine but the engine does not start. If that's the case then the problem could be a loss of spark, fuel, a cam timing issue, possibly fuel contamination or an exhaust restriction.

Were there any problems leading up to this?
Have you checked for fault codes?

Customer: replied 9 months ago.
Its been running fine wife drove it last night it wouldnt start for tried this morning and it started up drove for a few hrs shut off and will not crank again tried starting fluild because thought it was pump and also installed crank sensor
Expert:  sprinkles08 replied 9 months ago.

It will not crank? The starter does not engage, no noise from the engine compartment when turning the key to the crank position?

Customer: replied 9 months ago.
Starting engaging just turning over like its not firing
Expert:  sprinkles08 replied 9 months ago.

Have you checked for fault codes?

Customer: replied 9 months ago.
No i guess i got to haul it to repair shop
Expert:  sprinkles08 replied 9 months ago.

Have you checked fuel pressure?
Have you taken a fuel sample?

Customer: replied 9 months ago.
No just tried starting fluid and it still didnt try to crank
Expert:  sprinkles08 replied 9 months ago.

The engine is cranking but not starting if the starter engages and turns the engine.

If the engine cranks but will not run on starting fluid then you're most likely missing spark and electrical testing will need to be done to determine why, starting with using a scan tool or code reader to check for fault codes.