Answer
Apr 22, 2024 - 08:57 AM
Hi there, It looks like you are dealing with several issues on your vehicle. You mentioned that you already replaced the fuel pump (but not powering up), and the ignition switch was replaced by a new one, Unfortunately, it looks like a bad switch. Here are possible reasons what is causing the problem:
1. Please check for blown-out fuses or relays for the fuel delivery system. There is also a possibility of a bad wiring connection for the fuel pump. Trace the wiring and check for a corroded and broken (or loose connection) wiring circuit for the fuel pump circuitry.
2. If the car starts for a short time, then runs rough and stalls indicates a problem with the fuel delivery. Replace the fuel filter since it might be clogged already if you have not replaced that part for quite some time already.
3. If the ignition switch is not working correctly or is misaligned, it will cause issues with starting and running the vehicle. Make sure it is installed correctly and securely. All contact points should be properly seated. You may want to replace it with another new one if the problem persists.
4. Check, clean, or replace the spark plugs if you have not done a tune-up for quite some time already.
Have your vehicle checked by a certified mechanic or your trusted local auto repair shop to ensure proper repair procedures are done to avoid complications if problems remain. I hope this helps!
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