Question about 2003 Cadillac Escalade Ext

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Dies with no warning after it warms up

2003 cadillac escalade ext....ill be driving after i start it up cold and after 20-30 mins it will just shut down with no warming whatsoever. ive changed the fuel pump, alternator, and battery plus the cam shaft pos sensor. what else could it be???

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If the computer is located in the engine compartment it could be overheating. the solution to the computer overheating is a new computer. expensive. I have seen this happen on other vehicles as well.

Posted on Jun 15, 2009

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Sep 09, 2017 | 2003 Cadillac Escalade

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My 2003 cadillac escalade ext stalled yesterday & wont start. If it does start up it just runs for a second & shuts off. It has power & is deffinately not the battery. It turns over & seems...


This sounds to me like the antitheft security system. If the computer doesn't read the transponder frequency coming from the key, it goes into anti theft and shuts down the starter and/or the injectors. If it starts for 1 to 5 seconds and then shuts down, its probably this. Read up about this on this link, it gives you symptoms and causes, plus a "do it yourself" solution if you decide that this is the problem. I've been dealing in GM vats-passlock-passkey securities for quite a while now. From your description, I'd guess this is the issue. http://vatspasslockpasskeysecurityhelp.yolasite.com/

May 11, 2011 | 2002 Cadillac Escalade Ext

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I have a 2003 cadillac escalade ext and the check brake system light came on. The ABS and traction light are also on. What could be the problem?


The most likely problem is a wheel motion sensor. If your check brake light is on, you have a problem that needs immediate attention. Refer to your owners manual to see if your Escalade is still safe to drive.

Feb 28, 2011 | 2003 Cadillac Escalade Ext

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2003 Cadillac Escalade ESV. I put in gear and its shuts off like the idle is too low, when in gear.


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Jun 13, 2010 | 2003 Cadillac Escalade Ext

1 Answer

Cadillac escalade ext will not start dic message says service battery charging system i'm reading 12 volts on battery but it act like a dead battery not charging system


A battery can read 12 volts yet be weak in cold cranking amps, try a jumpstart and if that works have your battery load tested. Im betting your gonna find the battery fails the load test, meaning it needs to be replaced..

Jan 24, 2010 | 2007 Cadillac Escalade Ext

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How do you change (locate) the fuel filter on a 2003 Cadillac Escalade ESV?


will be under truck driver side but a need a special tool to remove u can find at a harbor freight ,sears,or ???

Jun 20, 2009 | 2003 Cadillac Escalade Ext

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