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I read your previous question. A fuel leak might cause a no start condition but it does need fixing because a fuel leak is dangerous.
You would have disconnected the battery while changing the alternator. Many modern vehicles are fitted with an immobiliser and disconnecting the battery can upset or confuse an immobiliser.
Before spending time and money in a search for a fault that maybe doesn't exist you should ensure any immobiliser is properly disarmed. Details will be found in the vehicle owner's handbook.
I don't know the answer and I didn't google it assuming you did that already but try taking the positive terminal off your battery for a bit. Try to reset the system.
ive had this problem with another make of car before, the immobiliser was stuck on stopping the car from starting, reset the immobiliser by disconnecting the battery for a couple minutes and reconnecting it. good luck.
If this immobilizer is a factory system, I don't think you can cut the wire and disable it. I think the computer will recognize it's disconnected and activate automatically.
Immobilisers may intercept one of three circuits; typically the low-voltage ignition circuit and the fuel pump circuit. Some may also intercept the low-current starter motor circuit from the key switch to the relay. The Immobilisers can be set to intercept these circuits IF you use a key that has been copied or someone tried to start the car with the key for another car. Once activated, most of the time they are on a timer, meaning they will reset in 10 to 20 minutes. You can try and reset yours by disconnecting the battery, remove both cables and touch the two cables together for ten minutes. Now if you have a radio that needs codes to reset it be sure you have the codes before disconnecting the battery. Some Immobilisers use a magnetic switch to turn off the car. buy disconnecting the battery and touching the cables together you will kill the magnetic field and reset it. Hope this helps fixya up.
Hello Abdul,
I had this problem and the solution is rather strange.... Change the battery in your remote key for a brand new fresh one and see if this solves the problem. Apparently, when the lithium battery is low, the central locking will continue to work but the immobiliser disarming circuit cannot decode the signal.
leave well alone ,for now ??try another battery off of another car to see if this makes starter work because it most likely is another problem like altenator not charging and battery going flat thats giving you the grief .so try a battery from another car that is starting and see what happens,then get back to me
dont know how to do it, sorry, but same thing happened on mother-in-laws car, mechanic just by-passed immobiliser, cheaper than new parts and loads of labour charges. Good luck
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