Question about Cars & Trucks
I recommend you to RUN the scanner/computer for diagnostic and fix it. You can have some problem with PCM+or ignition coil+BCM+sensor +sparkplug+wires, distributo etc.
See the diagram attached. The electronico now in vehicle is complicated. God bless you
Posted on Jul 31, 2013
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Posted on Jan 02, 2017
could be fuel pressure regulator or possibly the injectors themselves also might try replacing the fuel filter. if u havent already done it. maybe that will help.
Posted on Oct 21, 2009
SOURCE: Have a 2007 Jeep Commander
Did you got the fuel pressure checked.As you say it sometimes not starting and sometimes starting, this indicates that fuel pump is bit weak, its not letting fuel to the engine.Try spraying starter fluid to the throttle body and then see is it starting with starter fluid.When you face the no start problem like this at that time spray the starter fluid and see if its starting up right.If it starts then its fuel pump and filter issue.The pump is loosing its pressure.-------------But if the same no start problem with starter fluid too, then it can be air filter blocked issue or transmission trans-axle issue or shift bezel issue or it can be low tire pressure issue.----------
Click the link below for more details:---
http://technoanswers.blogspot.com/2011/06/2007-jeep-commander-sometimes-does-not.html ----------- This should help.Thanks.Helpmech.
Posted on Jun 13, 2011
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