Volvo 850 Made from 1993 to 1997, this Volvo line was available in both a wagon and a sedan, both with were graced with several trim levels.

Cold Start - Fuel pressure regulator

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Old 12-27-2008, 05:33 AM
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Default Cold Start - Fuel pressure regulator

I'm having cold start issues. It takes a bit longer to start the car than usual in the morning, noticed it starting to happen during the colder days, but it runs fine afterward. I know that there is a strong gas smell in my vacuum line that is connected to the fuel pressure regulator, does that mean its bad? .

Can i use a Fpr from a GMC Syclone? They look exactly the same, and its cheaper by about $20. Does it flow more than our stock one?
 
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Old 12-27-2008, 08:35 AM
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Default RE: Cold Start - Fuel pressure regulator

Try keeping the vaccum line disconnected but endplugged for one night and see if you get normal start next morning.

"I know that there is a strong gas smell in my vacuum line that is connected to the fuel pressure regulator, does that mean its bad?" - might be due to a leak in the regulator resulting in excess gas fed into the engine through vaccum line.
 
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Old 12-27-2008, 11:43 AM
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Default RE: Cold Start - Fuel pressure regulator

the only thing is that there is no liquid fuel leak in the line, just the smell is present.
 
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Old 12-28-2008, 09:48 AM
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Default RE: Cold Start - Fuel pressure regulator

If you smell gas in the vacuum line then it might be bad.
 
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Old 01-01-2009, 02:46 AM
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Default RE: Cold Start - Fuel pressure regulator

FYR.


JPN

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