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AntonioC
New User
May 28, 2014, 5:02 AM
Post #1 of 7
(1800 views)
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Delay in engine start
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"The first thing you need to check is the fuel pressure before starting the engine and monitor how quickly it comes up to correct pressure and what it does when you shut it off."
Hi Hammer Time
Can you tell me how do i check the fuel pressure, please.
I have two gasoline running Renault Clio (1200 cc) one from 1994 and another from 1997 and they are both with this problem.
When the engine starts (after tow or three turning Key), i step on the accelerator and the engine seems to drowning.
Thank you for your attention.
Best regards.
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Hammer Time
Ultimate Carjunky
/ Moderator
May 28, 2014, 8:26 AM
Post #2 of 7
(1774 views)
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Re: Delay in engine start
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That car is not sold here in the US so i have no info on it.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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AntonioC
New User
May 28, 2014, 9:58 AM
Post #3 of 7
(1763 views)
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Re: Delay in engine start
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Isn't it the same in every car with caburetor?
How can one check the fuel pressure in a car with carburetor?
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Hammer Time
Ultimate Carjunky
/ Moderator
May 28, 2014, 10:40 AM
Post #4 of 7
(1761 views)
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Re: Delay in engine start
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I would be shocked if they really has a carburetor. They haven't built cars with a carb here in 30 years. Everything is fuel injected.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Discretesignals
Ultimate Carjunky
/ Moderator
May 29, 2014, 12:27 AM
Post #5 of 7
(1737 views)
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Re: Delay in engine start
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To check the fuel pressure on a carb would be the same as checking fuel pressure on an EFI system. You have to T in a fuel pressure gauge between the fuel pump and the carb. The difference is an EFI system needs higher fuel pressure than a carb. Most carbs I've seen need somewhere around 7 psi. You should check your vehicle's service data for the exact pressure reading.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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AntonioC
New User
May 30, 2014, 12:26 PM
Post #6 of 7
(1698 views)
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Re: Delay in engine start
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Thank you Discretesignals.
Isn't there any outher way to check fuel pressure without a fuel pressure gauge? (i don't have that gauge) Is it expensive to buy?
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Discretesignals
Ultimate Carjunky
/ Moderator
May 30, 2014, 12:33 PM
Post #7 of 7
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Re: Delay in engine start
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Well, you have to measure the amount of pressure, so the gauge is really the only accurate thing that you could use.
The only other way I know of measuring fuel pressure is using a pressure transducer and converting the voltage it outputs to pressure, but that is really expensive.
You could also have someone check it for you that has one.
They really are not that expensive.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on May 30, 2014, 12:34 PM)
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