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viper 5901 f150 remote start issue


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way2qk4u2c 
Copper - Posts: 74
Copper spacespace
Joined: December 15, 2005
Location: United States
Posted: March 26, 2009 at 8:26 AM / IP Logged  

Alright everything has been working fine until now?

The problem im getting is strange. Every morning i get up and hit my remote start- about 8 out of 10 times the truck starts fine. The other 2 times the truck will start but within 2 sec of running it will shut down. It also doesnt seem to retry to start it (so its not a failed attempt) It seems like a trigger is shutting it down (brake wire, tach wire) I dont think its the immobilizer because it wouldnt even get to the running part for 2 sec.

I recently changed from virtual tach to tach. I have went through the process of learning the tach.

What i wonder is why is it intermittent?

Chris Luongo 
Platinum - Posts: 3,746
Platinum spaceThis member consistently provides reliable informationspace
Joined: May 21, 2002
Location: Massachusetts, United States
Posted: March 26, 2009 at 9:17 AM / IP Logged  
The unit should have some type of diagnostic mode, that tells you the reason for the last shutdown.
Go through the manual, get familiar with how the feature works, and then wait until next time it fails. Then it should tell you why.
chadwa2003 
Copper - Posts: 353
Copper spacespace
Joined: January 08, 2005
Location: Canada
Posted: March 26, 2009 at 9:42 AM / IP Logged  
I had a 5900 installed on a 99 windstar which did that occasionally. It usually listed that it was over-rev protection kinda strange as it didn't matter the conditions I could start it inside a garage and it would shut down right away
soundnsecurity 
Gold - Posts: 2,711
Gold spaceThis member has made a donation to the12volt.com. Click here for more info.spacespace
Joined: November 10, 2008
Location: Louisiana, United States
Posted: March 26, 2009 at 1:25 PM / IP Logged  
check your hood pin and make sure it is not loose and touching ground with the vibrations from starting.
way2qk4u2c 
Copper - Posts: 74
Copper spacespace
Joined: December 15, 2005
Location: United States
Posted: April 04, 2009 at 3:30 PM / IP Logged  

So i ran diagnostics on it

The reason why its shuting down is becaus eof over-rev (rpm)

The F150's have a big rpm jump when cold and when warmed up...how can i compensate for this or what is the proper way to learn the rpm (cold or warmed up)

howie ll 
Pot Metal - Posts: 16,466
Pot Metal spacespace
Joined: January 09, 2007
Location: United Kingdom
Posted: April 04, 2009 at 4:32 PM / IP Logged  
Very good question,  I can never work out whether to let the revs drop to warm idle speed or rev to 1200 when programming tach,  the answer would probably answer lots of FAQs here,  perhaps Chris L. could give us the answer.

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