FP Gauge not working

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FP Gauge not working

Post by RTW0223 on Sun Jul 07, 2013 2:39 pm

I picked up a Fuel pressure gauge a while back and never hooked it up cause I guess I never really needed it and I didnt think it worked.  When I had it hooked up It read 80 psi.  Would this be a broken unit or sender Or am I forgetting to adjust something here?

I hookede up a fuel pressure reader (something you'd get from Advanced/Autozone) and it read 40 psi

Here are two pics for better referece.  Its mechanical


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Re: FP Gauge not working

Post by mjr46 on Sun Jul 07, 2013 4:41 pm

have you hooked it up on the rail on the car?? you need to remove the valve core and in place of that there is a special adapter that screws on

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Re: FP Gauge not working

Post by RTW0223 on Sun Jul 07, 2013 4:48 pm

Yes I hooked it up the the fuel rail

If by valve core you mean this:


Then yes.


I'm thinking the air was never fully bled..?
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Re: FP Gauge not working

Post by Big-B on Sun Jul 07, 2013 7:10 pm

It's not an air bleed thing. Have you checked the pressure against another gauge? That would be the next step to see if the gauge is no good.

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Re: FP Gauge not working

Post by RTW0223 on Sun Jul 07, 2013 7:16 pm

Big-B wrote:It's not an air bleed thing. Have you checked the pressure against another gauge? That would be the next step to see if the gauge is no good.

Not against another gauge but against one of these:
http://shop.advanceautoparts.com/webapp/wcs/stores/servlet/product_fuel-pressure-tester-kit-actron_9030328-p?searchTerm=fuel+pressure

And that^^ read 40 psi
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Re: FP Gauge not working

Post by Big-B on Sun Jul 07, 2013 7:18 pm

I would say your mechanical gauge is no good

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Re: FP Gauge not working

Post by RTW0223 on Sun Jul 07, 2013 7:23 pm

Big-B wrote:I would say your mechanical gauge is no good

Sweeeet
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Re: FP Gauge not working

Post by Big-B on Sun Jul 07, 2013 7:24 pm

RTW0223 wrote:
Big-B wrote:I would say your mechanical gauge is no good

Sweeeet

 Why are you happy about that.

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Re: FP Gauge not working

Post by RTW0223 on Sun Jul 07, 2013 7:27 pm

Big-B wrote:
RTW0223 wrote:
Big-B wrote:I would say your mechanical gauge is no good

Sweeeet

 Why are you happy about that.

That was meant to be sarcasm. hard to convey through writing lol
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Re: FP Gauge not working

Post by Big-B on Sun Jul 07, 2013 7:29 pm

LOL ok. Contact autometer, they may do something for you. Don't tell them you bought it used though. Just tell them it's been on the car and it failed. Worth a shot.

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Re: FP Gauge not working

Post by RTW0223 on Sun Jul 07, 2013 7:32 pm

Big-B wrote:LOL ok. Contact autometer, they may do something for you. Don't tell them you bought it used though. Just tell them it's been on the car and it failed. Worth a shot.

Good idea ill give it a shot this week
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