Cranks but no start 2011 2.4 Equinox - TerrainForum.net: GMC Terrain Forum
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post #1 of 9 (permalink) Old 02-24-2020, 09:26 AM Thread Starter
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Cranks but no start 2011 2.4 Equinox

Has fuel coming out valve on fuel rail and has spark at the spark plugs but still no start. Code was p1400. Cleaned throttle body and replaced mass air flow still will not start up and has a new battery. Scanner show 2000 psi on high pressure side and 64 psi on low pressure side.
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post #2 of 9 (permalink) Old 02-24-2020, 11:06 AM
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Maybe check for blown fuses?
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post #3 of 9 (permalink) Old 02-24-2020, 11:21 AM
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Quote:
Originally Posted by Corvettepower11 View Post
Has fuel coming out valve on fuel rail and has spark at the spark plugs but still no start. Code was p1400. Cleaned throttle body and replaced mass air flow still will not start up and has a new battery. Scanner show 2000 psi on high pressure side and 64 psi on low pressure side.
The GM Repair Manual has a section on this, here are some thoughts.

Key fob bad transponder authentication
Crank Position Sensor
Engine must crank at 200 to 300 RPM
Fuel pressure and volume
Fuel injector nozzles blocked or restricted
Bad engine grounds, negative cable
Bad wiring harness connections
Water or foreign material in fuel tank
ECM or BCM

Good Luck this is one of the hardest repairs
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2014 Equinox LTZ FWD 3.6L. V-6 (LFX)
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Build Date: Nov. 04, 2013-Delivery Date: Nov. 25, 2013
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post #4 of 9 (permalink) Old 02-28-2020, 02:27 PM Thread Starter
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All fuses appear to be good ,just changed Crank sensor still didn’t crank up. I put some gas in throttle body and it still didn’t attempt to fire up. The plugs are firing when I pulled them out.
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post #5 of 9 (permalink) Old 02-28-2020, 02:31 PM Thread Starter
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It was running till battery went dead and changed battery now it won’t start up. Wonder did something get reset when that happen to cause this no start issue.
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post #6 of 9 (permalink) Old 02-28-2020, 02:33 PM Thread Starter
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6018268401 you can call if you got any info
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post #7 of 9 (permalink) Old 02-28-2020, 02:57 PM Thread Starter
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One thing I did notice is when I push accelerator to the floor the throttle body don’t open up 100% according to the scanner it goes to about 33% if I remember correctly. Is that normal with the car off and key on?
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post #8 of 9 (permalink) Old 02-28-2020, 03:49 PM
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pressing the accelerator to the floor and letting go- gives the signal to the computer that the engine is flooded.
It stops squirting fuel into cylinders to try to clear them out.

2013 Equinox LT1 3.6L V6 FWD 88,000
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post #9 of 9 (permalink) Old 03-01-2020, 01:16 AM Thread Starter
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Ok yea it want start wether petal is pushed or not. I was thinking throttle may be bad but I looked at truck like it and it does the same throttle blade movement. I’m starting to think it may just be ecm. Only code I’m getting is p1400
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