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Topic: Weird noise (Read 717 times) |
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Weird noise
« on: Jun 18th, 2006, 5:25pm » |
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On tickover I've noticed a weird resonating noise emanating from the engine bay somewhere.
It sounds like a tuning fork & I checked the note with my guitar & it's an 'A' !!! (no jokes about engine tuning etc....okay  ).
I can hear it in the car & when I open the bonnet I can hear it, but when I lean closer into the engine I can't hear it, so it's a little difficult to pinpoint.
Any ideas anyone?
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craig
Guest
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resonator mate...
probably worse in the summer/hot weather and whist stuck in traffic on a hot day,mine was exactly the same,either a hole in the resonator or in the associated trunking...
HTH
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: Weird noise
« Reply #2 on: Jun 18th, 2006, 10:09pm » |
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This car's got a resonator?...What the f**k is a resonator & what does it do...& where is it on a 2.3?.....I take it isn't for plugging into a sub woofer 
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craig
Guest
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large black plastic box smack in the middle at the front of the engine (to the left of the air filter as you look into the engine bay)
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Octavian_P
Senior Member
 
Posts: 1126
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Re: Weird noise
« Reply #4 on: Jun 19th, 2006, 7:14am » |
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The resonator it's the big black box between the air filter and the throttle plate body. It has the role of producing turbulences in the air flux so enhancing air atomizaton thus increasing torque and power......well at least in theory 
Cheers
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2.0 16V Ultima|2.3 16V Ghia|2.9 24V Cosworth Ghia
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: Weird noise
« Reply #5 on: Jun 19th, 2006, 9:50am » |
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Oh...... that black box. I'll check it out, cheers guys
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: Weird noise
« Reply #6 on: Jun 20th, 2006, 11:28pm » |
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Not the resonator or pipework...I've checked it all & there are no holes.
Also noise has now dissappeared, so not going to worry about it unless it happens again.
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Kjetil S
Senior Member
2001 BMW 520iat
Posts: 1419
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Re: Weird noise
« Reply #7 on: Jun 21st, 2006, 1:18am » |
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Ah, seem like you have the SelfFix-module fitted. I think quite a few Scorpios were fitted with one of those
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http://uncyclopedia.org/wiki/Norway
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: Weird noise
« Reply #8 on: Jun 21st, 2006, 1:34am » |
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I'm thinking that the previous owner wedged a tuning fork in there somewhere & it came loose giving a harmonic 'A'
Or maybe my PCM has developed artificial intelligence 
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tony
Full Member
1996 2.9 12v
Posts: 114
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Re: Weird noise
« Reply #9 on: Jun 21st, 2006, 7:05am » |
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on Jun 21st, 2006, 1:18am, Kjetil S wrote:| Ah, seem like you have the SelfFix-module fitted. I think quite a few Scorpios were fitted with one of those |
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And the rest were fitted with the self destruct module
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