99 tahoe fires but won’t stay running
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=129127
Printed Date: May 12, 2025 at 5:55 PM
Topic: 99 tahoe fires but won’t stay running
Posted By: rudi w.
Subject: 99 tahoe fires but won’t stay running
Date Posted: November 07, 2011 at 1:49 PM
Hello, I have a 99 tahoe. Alarm is an Autopage C3-RS-730 remote start.
When initializing remote start, vehicle will crank, and actually fire and run but for only a second, then it will shut down.
When I use autopage shutdown diagnostics, the error code I get is #3: no rpm/low voltage.
I have gone through the RPM learning process without any errors (parklights flash and confirmation beeps)
I am running a wire off of the coil (white wire) all references say this is the wire to use. However when I test the voltage at this wire while engine running it is higher than the 1-6 volts that manual states should come from the correct tach signal wire. However there are only two other wires at the coil (pink and WHITE/ black)
I have also installed ignition (2) and ignition (3) wires in case this is the problem.
Do I need to connect at the tach side of this wire in order to get the correct read from this wire? And why is the alarm learning the rpm but shutting down vehicle during start?
If anyone has any ideas please let me know.
Thanks.
Replies:
Posted By: lspker
Date Posted: November 07, 2011 at 7:52 PM
Are you sure it is not the antitheft kicking in? How did you bypass the passlock.
Posted By: rudi w.
Date Posted: November 08, 2011 at 1:29 PM
Thank you lspker! I did not bypass the passlock. I will do so, and inform the outcome on this post.
Thanks again!
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