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Compustar CSX-4900S Remote Start, Problems Since Cooler Weather


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l-ight 
Member - Posts: 12
Member spacespace
Joined: May 17, 2022
Location: Texas, United States
Posted: October 06, 2022 at 8:54 AM / IP Logged Link to Post Post Reply Quote l-ight
Truck is a 2003 F250 7.3l Diesel. So recently the weather has dropped into the high 50s low 60s in the morning when I go to start the truck. It's giving me the start then stop 3 times in a row. I can also hear the starter run after truck is started and make grinding noises. It never did that before. I read up that they say you can redo the tach sensing by relearning when it's cold outside. I did that (start truck, foot on brake for 10 seconds, keep foot on brake, press and hold remote start button) and it gives me 3 flashing lights which means error and needs to be taken in. I tried it 3 times before I gave up. Why would this work fine in the summer but once fall weather hits it does this? Any ideas?
silvercivicsir 
Copper - Posts: 361
Copper spacespace
Joined: November 21, 2003
Posted: October 06, 2022 at 9:54 AM / IP Logged Link to Post Post Reply Quote silvercivicsir
where did you get it installed? I would take it back, get them to set the diesel delay to 10 seconds, and hook up/check the tach wire.
l-ight 
Member - Posts: 12
Member spacespace
Joined: May 17, 2022
Location: Texas, United States
Posted: October 06, 2022 at 10:57 AM / IP Logged Link to Post Post Reply Quote l-ight
I installed it. The delay timer is set to 7 which is more than enough time. I installed the tach wire as well. It's been installed since May or so and never had any problems prior.
silvercivicsir 
Copper - Posts: 361
Copper spacespace
Joined: November 21, 2003
Posted: October 06, 2022 at 11:31 AM / IP Logged Link to Post Post Reply Quote silvercivicsir
did you use the tach in the "bundle" under the dash? the lt green/white that's a pretty dirty source. look for a difference tach, or you might need a tach generator like directed part# 454T
l-ight 
Member - Posts: 12
Member spacespace
Joined: May 17, 2022
Location: Texas, United States
Posted: October 06, 2022 at 1:23 PM / IP Logged Link to Post Post Reply Quote l-ight
I believe I did, yes. Why would it work during summer then mess up during cooler weather? I'll definitely try to reprogram it again, but it's odd that it will do that. I could always tape into my alternator as they have a spare wire passing through the firewall that I could use.

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