Question about 2002 Buick Century

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2002 buick centry

I pulled off hose from fuel pressure regulator and theres a little gas in the line, should I replace it, is that my problem why it starts harder when the engine is warmer, when cold it starts most of the time.

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Start with a fuel pressure test first, make sure pump is good before you start throing money at it by gussing.

Posted on Feb 07, 2009


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My 1994 buick cutlass cierra is smoking out the back, is missing, is going through tons of gas and smells like gas so bad it makes me sick. Never did this before I took it to a mechanic to have the...

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Hi Steven Phillips:
It's possible but not very likely unless there has been a recent removal of the injectors and new O rings were not installed.
I suggest that you take the vehicle to the closest AutoZone and have them perform a fuel pressure test and a full diagnostic scan. Both are free of charge.
It's possible that you have leaking fuel line or fuel pressure regulator. The pressure test will enable you to evaluate both possibilities. Incidentally, replacing O rings, fuel lines and pressure regulators are fixes you can do yourself.
Feel free to follow up with me should you so desire.
All the best,

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I have a 1993 buick century custom. im currently getting 198miles to the tank. at normal idle the car sounds like its being choked of air and trying to stay alive. always starts right up, never stalled and...

recommend you pull the vacuum hose off the fuel pressure regulator at the end of the fuel rail and check for gas in the line. You can plug the hose with a golf tee and start the car, then see if any gas comes out of the vacuum port of the regulator. This would indicate the regulator diaphram has failed and is causing the engine to run rich. Replace the regulator if it leaks gas out the vacuum port. The regulator looks like the below picture.

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start right back up? if it does , then pull the vacuum hose off the fuel pressure regulator and and a stall . if gas comes out of the regulator/and hose. Thats the problem , bad diaphram in fuel pressure regulator!! $45.00 @ auto parts store , snapring pliers is only tool you'll need!! ($5.00 tool) Chep and easy!! :) Hope this helps!! Richie

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Check your fuel pressure and filter. Also check to make sure your fuel pressure regulator is not blown out. Simple check is to pull vacuum line off at regulator and see if there is fuel present in that line. If there is then the regulator is bad .
Hope this helps;
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