Having problems with your 1987 Mitsubishi Passenger ?

Had battery replaced yesterday, didn't realise computer neededed to be restarted. car started OK but today I have to keep the revs up or it stalls. After i reinstalled the battery I pressed the mode button for a couple seconds for S but not for 3.5, will this cause prob ? The car started OK even though I did not enter the securiry code correctly, starts with double 1 but didn't show second 1.

Posted / edited by AnonymousUser on : 23-09-2019

Answers :


lots of engine management systems are "semi-intelligent" they learn your driving patterns and adjust engine settings to perform best for your driving style.

when they are reset or disconnected they go back to default settings, and until they pick up your driving patterns again, the car can run a little rougher than usual until the system readjusts.
this can take a few days, or 50-100 miles.

just double check to make sure you have not disturbed any pipes or wires under the bonnet and the car should settle down as you drive it.
if the security code was entered incorrectly, the car would probably be immobilised. the fact that it runs suggest that the code has been accepted.

if you are not sure, you could always try disconnecting the battery again and re-entering the security codes.

please feel free to post again if the problem persists
Repair Help & Product Troubleshooting for 1987 Mitsubishi Passenger

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