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Sensor fault

Question : My 1997 Proton Wira 1.5 auto is experiencing some problems.

Despite a new battery, the remote control could not deactivate the alarm to open the doors, especially in the morning.

When starting, especially when it is cold, the engine produces the 'chug, chug' sound of a fishing boat and it strains to accelerate, only attaining 40km/h at 4,000 rpm for about five minutes !

What's wrong and what can be done to eliminate the problems ?

Answer : If both the batteries are good, then you should get someone to look at the alarm system. On the other hand, it may be something as simple as bad earthing of the alarm system. So the best is to get someone familiar with the system to look at it.

Also, get the car checked out with a harness or EFI checker.

I think one of the sensors ( probably temperature ) is faulty and so the start mixture is not rich enough and the engine has difficulty pulling when cold.

 
   
 

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