Fiesta Mk6 Starting Problem

[ConnorJH]

Well were can i start, right when i try anf start my car without jump leads connected the dashboard goes crazy but when i try it with jump leads its doesnt start but the dash doesnt go crazy could this be a dead battery or something else

[GingerFlame]

Possibly a dead battery or a loose connection aswell. Also, does the engine turn over? Have you checked your oil for cottage cheese or any other bad stuff?

Also,does the immobisor light flash or anything? Have you tried using an OBDII fault code reader?

[ConnorJH]

Possibly a dead battery or a loose connection aswell. Also, does the engine turn over? Have you checked your oil for cottage cheese or any other bad stuff?

Also,does the immobisor light flash or anything? Have you tried using an OBDII fault code reader?

When it first started the engine would tick over for a second then cut out but now it doesnt, i havent checked the immobiliser light but i will, also when i use to lock my car with my alarm it would beep 3 times now the lights only flash without the beeps

[CharlieUK]

See if you can get your hands on a multimeter, set to read 12v then disconnect the battery terminals and wait about 15-20 minutes for the battery to stabilise. If it's under 11 its probably on its last legs.

You can check with terminals intact, just will get a slightly lower reading due battery being use.

Do you know the age of battery?

To put how much power starting a car takes, my battery set with a voltage reader, reads 12.4v when I turn it over it drops to 0.70v so you can guess it really hampers the battery, but only for a brief second then the alternator kicks in.

Thinking about it, could the alternator be on its last legs too?.

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[ConnorJH]

See if you can get your hands on a multimeter, set to read 12v then disconnect the battery terminals and wait about 15-20 minutes for the battery to stabilise. If it's under 11 its probably on its last legs.

You can check with terminals intact, just will get a slightly lower reading due battery being use.

Do you know the age of battery?

To put how much power starting a car takes, my battery set with a voltage reader, reads 12.4v when I turn it over it drops to 0.70v so you can guess it really hampers the battery, but only for a brief second then the alternator kicks in.

Thinking about it, could the alternator be on its last legs too?.

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Ive just fitted a new battery and it still didnt start but my alarm now beeps when i lock the car, so this could be a alternator problem

[CharlieUK]

If it's a brand new battery, it should in theory start the car and run it for a while. As the battery is hardly used when engine running. If it's not starting at all, but as you said arming the alarm, it could be a starter motor problem.

In my opinion I would do a checklist of easy things to check.

1. Have you got fuel in the tank.

2. Is the air filter clogged.

3. Have you checked the car status with an OBD connector.

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