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Jan 13, 2013 16:58:54 GMT
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I'm gonna throw this one out there as I know there's a LOT of knowledgeable people on here and may shed some light.
My Wife owns a 1999 Pug 206 1.4 8v LX. She's had it 6 months and it's been a good little motor.
Until now. It started about 4 days ago. You'll unlock the car with the fob, get in, turn the key and......nothing. The battery light goes off when your "cranking" it and the starter doesn't turnover, nothing.......and the fan comes on then goes off when you put the key to position II. I can go back to it 5 minutes later, 2 days later maybe and it will start as normal......then it will do it again.
It's not the battery. I ran a live feed from the battery to the starter and there's nothing. I've cleaned up the earth strap, all ok. It may be immobilising, I don't know. I'm thinking ECU, maybe.
Can anyone shed any light or offer any advice?
Wish I could convince her to have a retro!
I'm thinking of getting it plugged in (not at Peugeot!)
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1993 Mercedes-Benz 190e LE in Azzuro Blue.
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Jan 13, 2013 17:05:17 GMT
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Check the battery connections and engine/box grounds are tight and in good condition. If it doesn't turn over when you jump 12v straight on to the starter (I presume you have tried sending 12v directly to the solenoid as well) then the issue is either the starter, or the power feed to it. Get someone to turn the key while you check the voltage on the big starter motor terminal, and also the one for the solenoid. If both of them are 12v, check the voltage of the engine block with respect to some bare metal on the body somewhere, again while trying to crank the engine.
In any case, plugging it into a diagnostics computer is unlikely to help you at all with this problem, so I wouldn't waste your money.
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taurus
Posted a lot
Posts: 1,084
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Jan 13, 2013 17:22:23 GMT
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That bit about the fan running then stopping - can I just check that the fan runs on ignition but stops when you turn the key to position 2, or when you turn to operate the starter?
If the latter then it suggests low voltage across the whole system when the starter is engaged, which says to me that power is going to the starter causing the whole voltage to drop.
In which case I'd recheck the battery - I've had intermittent issues with voltage drop caused by faulty batteries, including things like a cracked terminal.
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Jan 13, 2013 17:49:41 GMT
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it suggests low voltage across the whole system when the starter is engaged, which says to me that power is going to the starter causing the whole voltage to drop. Basically, if the starter/solenoid is knackered, it will just absorb the voltage and not start, thus draining the system eventually? The fan comes on when the starter is engaged and goes off at position 2. I cleaned all the earth strap/bolts and they're all OK. The battery is 2 days old and was checked when I bought it so it's not that. I can pop to the local scrappy and get a starter for a few quid so it may be worth my while to just stick one on and see? Please bear with me as car electrics are like sorcery to me hence why I thought the ECU was knackered!
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1993 Mercedes-Benz 190e LE in Azzuro Blue.
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taurus
Posted a lot
Posts: 1,084
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Jan 13, 2013 21:04:28 GMT
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Thanks for explaining the bit about the fan - I'm not a Pug person so I don't know them - but assuming they work the same as most things, ie ignition 1 doesn't do much, ignition 2 makes most things live, then ignition 3 activates the starter - then you drop it back to position 2 blah blah......if the fan is working on 3 but not on 2 then it sounds like it might be worth checking the ignition switch itself.
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Jan 17, 2013 19:00:50 GMT
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I have heard of this happening before albeit on a fiesta 1.4 d which is a pug motor and it was indeed the ecu. Electrical gremlins very common on these.
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