patricia_moore1
Peugeot 406 Engine Start Problem
Summary of the thread
A 2004 Peugeot 406 diesel with 52,171 km wouldn't start, and initial checks for fuel leaks and engine light issues were unhelpful. The suspected cause was battery cable connections. Upon inspection, significant corrosion was found on the battery terminals. Cleaning the terminals resolved the starting issue, confirming the problem was due to poor electrical connectivity caused by corrosion.
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4 comment(s)
patricia_moore1 (community.author)
When you mention 'corroded battery terminals,' how bad was the corrosion? Superficial, or more substantial? Were there any other symptoms, like dimming lights or unusual sounds, before it wouldn't start?
dirkmoore8
It was pretty bad, like green fuzz everywhere! No warning signs really, just suddenly wouldn't start one morning. If cleaning the terminals doesn't fix it, I'd say take it to a workshop. Could be something more serious. Don't want to fry anything!
patricia_moore1 (community.author)
I checked the battery terminals and found significant corrosion, just like you said. After cleaning and reconnecting, the engine starts fine. Repair cost was 155€. Your advice really helped!
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PEUGEOT
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406
dirkmoore8
Hey, I had a similar problem with my old Vauxhall Astra! Engine wouldn't crank, just dead. Turned out to be corroded battery terminals. Like a clogged artery, the juice couldn't flow properly! Give them a good clean with a wire brush and see if that helps. Did you check those?