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S40 / V40 '96-'04 General Forum for the Volvo S40 and V40 (Classic) Series from 1995-2004. |
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High pitch whistling when acceleratiing- 2004 S40Views : 447 Replies : 1Users Viewing This Thread : |
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Sep 25th, 2023, 18:00 | #1 |
New Member
Last Online: Sep 26th, 2023 17:24
Join Date: Sep 2023
Location: Tracy
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High pitch whistling when acceleratiing- 2004 S40
I have a 2004 Volvo S40. Recently there is a high pitched whistling sound whenever I start the engine. The sound gets louder when I accelerate down the road. There is also black smoke emanating from the exhaust pipe. I am just guessing, but is this caused by a faulty Fuel Pressure Regulator? if not, any advice would be greatly appreciated. Thank you.
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Sep 27th, 2023, 21:32 | #2 |
Ancient
Last Online: Apr 23rd, 2024 20:31
Join Date: May 2012
Location: chesterfield
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Which engine ?
Either way, sounds like an air intake leak of some sort ? if it's a turbo model check air intake/ boost pipe intercooler, etc, |
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