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Old 29-07-2008, 10:42 PM   #1
newdriver
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Default Is your exhaust pipe rattling?

Hi,

My Focus exhaust pipe rattling from very beginning, when hit gas a bit heavier or going uphill, do you guys suffer it?

thanks!

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Old 30-07-2008, 12:15 PM   #2
Velociraptor82
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i can't say i've had that issue. what kind of focus do you have?
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Old 30-07-2008, 03:58 PM   #3
want-a-XY
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maybe it's the engine pinging under load? not the exhaust rattling
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Old 30-07-2008, 04:02 PM   #4
newdriver
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Thank you for reply, mine is LX.

I'm worry the rattle abrade parts adjacent to it.
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Old 30-07-2008, 04:05 PM   #5
Chrispy
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It so sounds like your cars pinging.
Try a tank of Premium to see if the rattle goes away.
Chris
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Old 30-07-2008, 04:13 PM   #6
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Maybe the exhaust hitting the heatshield? Others here have mentioned that.
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Old 02-08-2008, 09:37 AM   #7
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doh! dealer confirmed that is pinging
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Old 03-08-2008, 07:26 AM   #8
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Best start paying the little extra for Shell V-Power. Or whatever the other companies offer. Oh and try the lil timing advance trick thats been in threads here.
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Old 09-08-2008, 10:25 AM   #9
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Ive always used premium from day 1 never had any probs.. Just keep the premium petrol, it pays off.
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Old 09-08-2008, 11:19 AM   #10
newdriver
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thanks a lot!
how would you interpret that Focus manual book says Ron91 is "safe"?
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Old 09-08-2008, 11:40 AM   #11
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yes it will run on 91, but it will run better on premium by far.
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Old 09-08-2008, 02:21 PM   #12
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should have bought the tdci!
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Old 09-08-2008, 03:54 PM   #13
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Then it'd always be pinging!

Heh...But seriously, if it's pinging, the knock sensor isn't working properly. They way they get around having to run these cars (and many others) on certain grades of fuel is by having the knock sensor detect ping, and retarding the timing (and sometimes the cam advance) to compensate. If the car's pinging (and badly enough that you can hear it in such a well insulated car), then you've got serious problems, and you could risk melting a piston.

Things to check:

How old is the car?

What kind of condition are the spark plugs in (and are they OEM spec?)

Is the ECU recording any faults? (it should if it's pinging)

You can try running a tank of injector cleaner, but i don't think it'll do much...

RM.
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Old 10-08-2008, 08:25 PM   #14
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Mullett, the LS is well known to have the pinging problem, it looks like it was solved in the LT.

I think every LS driver that has this problem has reported to their dealer which have basically said "tough, run it on Premium."
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Old 10-08-2008, 10:52 PM   #15
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Doh! Corrected twice by the same guy

I guess if premium fixes it, that's the solution. Is Europe like Japan, with a minimum RON of 95 or so?

RM.
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16.045...0.05 of a second! I wanted a 15sec pass!

93 GSR/Evo3...too much to mention, 12.2sec 1/4, FOR SALE!

*Maybe we don't try putting holes in things that sink, yeah?*
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