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How to get around security system on 2002 Envoy

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I have a 2004 gmc envoy and the security light came on what does this mean?


  1. 2004 GMC Envoy Security light car not start - Questions - Fixya

    www.fixya.com > ... > GMC > Envoy > 2004 GMC Envoy...will not start replaced ignition switch and car will not turn over. Is the security light on ?If your truck has a pass key system, the sensor in the lock may not be ...
    ON GOOGLE

Jul 15, 2015 | GMC Cars & Trucks

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My 2002 gmc envoy starts with remote but will not crank with keys


The remote start bypasses the ignition portion of the antitheft security system to allow you to remotely start the truck. But the system still needs the signal from the key to allow the vehicle to remain running and drive. I would assume the ignition is bad or needs to be trained to the system if it was replaced.

http://vatspasslockpasskeysecurityhelp.yolasite.com/

Mar 29, 2014 | 2002 GMC Envoy

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2006 GMC Envoy car alarm goes off when I open doors or start engine. This happened after installing new battery. It had the same problem when I bought it in 2008. I forget how it was solved.


U need to reset security system (pass lock II). Turn key to on right b4 cranking but don't start and let security light flash for about 10-12 mins until it stops and then turn key back off, repeat procedure two more times don't actually turn key far enough to start during first two 10-12 min cycles, third cycle though after flashing stops turn the rest of the way forward for it to start. This should then reset security and solve problem sometimes only takes two cycles to reset. Good luck, hope this is helpful & solves problem.

Nov 23, 2013 | 2002 GMC Envoy

1 Answer

Spark plug gap specs for 2002 envoy SLE


Gap should be around 0.043"
Also, make sure to use only AC Delco 43-103 plugs, these are the OEM plugs and work best in these engines.

Oct 22, 2011 | 2002 GMC Envoy

1 Answer

Need to know how to reset security fuel shut off


If the security light is on, its due to a failure in the system. The vehicle is going into antitheft mode and turning off the fuel injectors. Unfortunately this can be a more costly fix than desired and almost all GM vehicles are effected by it. This link explains how this system works and offers some hints and cheaper solutions to fix this yourself.

http://vatspasslockpasskeysecurityhelp.yolasite.com/

Sep 09, 2011 | 2002 GMC Envoy

1 Answer

2002 envoy stalled going down road started right back up but had no speedometer wouldnt shift and abs and brake light came on


I had same problem with 2005 Envoy XL 4.2L
After several trips to dealer with "No problem found"....I finally found a technician that determined my ignition switch was intermittently not reading the security chip in the key.
Replaced ignition switch and problem never re-occurred.

Aug 23, 2010 | 2002 GMC Envoy

1 Answer

2002 envoy rear suspension has collasped. The


That tells me everything is working correctly although you have an air leak in the system somewhere.

Jun 02, 2010 | 2002 GMC Envoy

1 Answer

ABOUT HOW MUCH WILL IT COST TO TUNE UP MY 2002 GMC ENVOY


Usually $2.00-5.00 for each spark plug. Anywhere from $50.00-75.00 for spark plug wires. A fuel filter is usally around $10-20. Around $100 or so, labor for all.

Mar 16, 2010 | 2002 GMC Envoy XL

1 Answer

GMC Envoy 2002. When I get to traffic stop light. It will stall .. RPM is about 500 at idle. Doesn't do it when cold ( idle around 1000RPM. runs ok when driving just stalls when you get to stop sign or...


check your vaucumn hoses for leaks any leak in that system will effect your fuel pressure regulator and fuel rail that controls the running ability

Jan 14, 2010 | 2002 GMC Envoy

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