Question about 2001 GMC Jimmy

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Security system disengages fuel pump

My security system disengages the fuel pump if the engine doesn't start on the first try, causing me to wait 10 minutes until it resets. What can I do to prevent the security system from doing this?

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There might be a problem if it wont start on the first try?, preventing the injectors from flooding the cylinders. I would not attempt to disengage this.

Posted on Feb 25, 2009

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Put in a new fuel pump car still won't start has a security light on what do we do to get it started


If the Security Light is on but is not flashing, the security system is fine. If the security light is flashing then turn the ignition key to the run position (do not start). Wait over ten minutes and then try to start the engine. After the ten minutes you should notice that the light stopped flashing. If the engine starts then you do have a problem with the Passlock Security System.

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Do it three times in a row.

1. Perform a security system relearn.
2. Let the vehicle sit for more than 10 minutes with the key off.
3. Attempt to start the engine, leave the key in the run position monitoring the security system indicator.
4. After 10 minutes, the security indicator will change state.
5. Turn the key off and wait 10 seconds.
6. Attempt to start the engine. If the engine stalls, wait another 10 minutes with the key on.
7. After the second 10 minute timer has expired, turn the key off for 10 seconds.
8. Attempt to start the engine. If the engine stalls, wait another 10 minutes with the key on.
9. After the 3rd 10 minute timer has expired, shut the key off for 10 seconds.
10. The security system will relearn on the 4th starting attempt and the engine should start and run.

Here is a link about the security problem

http://vatspasslockpasskeysecurityhelp.yolasite.com/

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How to rekey a pontiac sunfire 2004


Im assuming you are refering to the anti theft security key relearn process.

1. Perform a security system relearn.
2. Let the vehicle sit for more than 10 minutes with the key off.
3. Attempt to start the engine, leave the key in the run position monitoring the security system indicator.
4. After 10 minutes, the security indicator will change state.
5. Turn the key off and wait 10 seconds.
6. Attempt to start the engine. If the engine stalls, wait another 10 minutes with the key on.
7. After the second 10 minute timer has expired, turn the key off for 10 seconds.
8. Attempt to start the engine. If the engine stalls, wait another 10 minutes with the key on.
9. After the 3rd 10 minute timer has expired, shut the key off for 10 seconds.
10. The security system will relearn on the 4th starting attempt and the engine should start and run.

If that doesnt work, look into this link http://vatspasslockpasskeysecurityhelp.yolasite.com/

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1. Perform a security system relearn.
2. Let the vehicle sit for more than 10 minutes with the key off.
3. Attempt to start the engine, leave the key in the run position monitoring the security system indicator.
4. After 10 minutes, the security indicator will change state.
5. Turn the key off and wait 10 seconds.
6. Attempt to start the engine. If the engine stalls, wait another 10 minutes with the key on.
7. After the second 10 minute timer has expired, turn the key off for 10 seconds.
8. Attempt to start the engine. If the engine stalls, wait another 10 minutes with the key on.
9. After the 3rd 10 minute timer has expired, shut the key off for 10 seconds.
10. The security system will relearn on the 4th starting attempt and the engine should start and run.
If this doesnt work, you may have a failure in your system. If the security light is on, and the reprogram doesnt work, you might want to look into bypassing that antitheft system.

http://vatspasslockpasskeysecurityhelp.yolasite.com/


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How to reprogram key


1. Perform a security system relearn.

2. Let the vehicle sit for more than 10 minutes with the key off.

3. Attempt to start the engine, leave the key in the run position monitoring the security system indicator.

4. After 10 minutes, the security indicator will change state.

5. Turn the key off and wait 10 seconds.

6. Attempt to start the engine. If the engine stalls, wait another 10 minutes with the key on.

7. After the second 10 minute timer has expired, turn the key off for 10 seconds.

8. Attempt to start the engine. If the engine stalls, wait another 10 minutes with the key on.

9. After the 3rd 10 minute timer has expired, shut the key off for 10 seconds.

10. The security system will relearn on the 4th starting attempt and the engine should start and run.

If this doesnt work, and you are having STARTING issues, go to this link.

http://vatspasslockpasskeysecurityhelp.yolasite.com/

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1 Answer

Wont start when i turn the key i get nothing


it could be your fuel pump, or your security system they usually lock them self up. The way to check the security system is to turn on your ignition till all the lights come on remember dont try to start it, once the key is on leave it on for 10 minutes after the 10 minutes are over turn the key off and wait three seconds and then try to start it if it starts good if not then your probably looking at a fuel pump. hope this helped.

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Engine keeps cutting out will only go afew yards and you then have to wait 10 minites before car will restart fuel pump replaced also engine management stays on


SOUNDS LIKE THE SECURITY SYSTEM IS CUTTING THE FUEL OFF TO LTHE ENGINE.MAKE SURE THE SECURITY LAMP IS NOT ON OR FLASHING.

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Disengaged the security system however now when I go to start it it blinks security and shuts off but only when I go to start when i turn off the ignition it stops blinking. Its as if it is still...


The security system is connected with the ECU and ABS module. You can't disengage the system, if this is the OEM System. Rebuilt it and your Granny will run as long as you've fuel in your tank.

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1999 Chevy s10 starts and dies imedately.


The wonderful GM passlock has your fuel shut down. Try putting your key in turn it on dont start it wait 10mins and turn off remove key wait 10 seconds repeat this 3 times a total of 30mins. If that dont work try it with a different key. If that dont work your ignition switch needs replaced and only a dealer can reprogram the new keys. Good luck, counting my kids I have 5 Gm products like this and 3 of them have caused the same problem. I have been able to avoid the dealer with the above procedure

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