4.7L runs 5 sec and shuts off. - JeepForum.com

 
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post #1 of 4 Old 10-15-2013, 04:38 PM Thread Starter
johnmcm1
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4.7L runs 5 sec and shuts off.

Hello,
I have a 2002 GC Laredo. When I start it, it will run for about 5 sec. and shut off. During the 5 sec I can run up to any RPM I want and then it dies. Checked MAP. 4.7 V key on. About 1.1V at start. Fuel pressure is 55 PSI measured at rail. I have no codes after 10 cycles. Any ideas?

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post #2 of 4 Old 10-15-2013, 07:28 PM
mycreativename
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That sounds like it could be a sentry key issue. Do you have a remote start on your WJ? I had one where the chip had become dislodged from where it needed to be and my Jeep would not run without me disconnecting the remote start.

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"With enough fabbing, time & $, it's certainly possible.
That being said, it's like boinkin' your sister...just because you can, doesn't mean you should." - Double E
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post #3 of 4 Old 10-15-2013, 08:30 PM Thread Starter
johnmcm1
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Pretty close. I was using the hide-a-key. When I switched to the normal key it runs fine. The SKIM or VTSS system was shutting down the engine. Just went out and ran it around the yard. Will do a road test tomorrow.
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post #4 of 4 Old 10-16-2013, 08:53 AM
Jeeples
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Quote:
Originally Posted by johnmcm1 View Post
Pretty close. I was using the hide-a-key. When I switched to the normal key it runs fine. The SKIM or VTSS system was shutting down the engine. Just went out and ran it around the yard. Will do a road test tomorrow.
Right. If your Hide-a-key doesn't have the RFID chip built into and/or isn't programmed to the SKIM/VTSS, the vehicle won't run for more than a few seconds.

His: '00 WJ 4.7 Limited- Some stuff

Hers: '03 WJ 4.7 Laredo- Some more stuff

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Quote:
Originally Posted by wjjeep19 View Post
It is what Jeeples has *PARTIALLY* stated.
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