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Old 12-29-2008, 07:57 PM   #2
sponge bob
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Re: Is it the Autostart Sys. causing check engine light & loss of Traction Control sy

Yes the 2008 FJ has engine immobilizer (the key has to be programed to start the truck). 2007 does not have this (you cut a key it starts truck). Most aftermarket auto start systems take a valet key mount it some where under dash if it is mounted to close to immobilizer it can cause some problems. If the truck will start with out turning on check engine light when not using auto start then auto start is messing with neutral safety switch. If neutral safety switch is problem then it will be a problem when start truck with or with out auto start. Sounds like you need to get auto start installer to see if they will disable auto start or take it off and drive for a week and see if you have any problems if no problems then it must be auto start.
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