Cavalier - measuring fuel pressure

('99 Cavalier 2.2, port-injected.)

This particular car doesn't appear to have a tap on the fuel rail where
a pressure gauge could be attached. The Chevy book calls for a J29658,
which lets you insert a tapped line at the quick-disconnect. This may
be a whole 'pressure kit', or something - Kent-Moore said that their
price for it is $336.

All that I need is something that can go in-line where the
quick-disconnect connects to the rail. So far, I haven't found anything
to do that. Any ideas would be appreciated.

Alternatively, I measured the following ...
- pump pressure with the line plugged : ~65 psi
- pump flow with the fuel line open : ~45 gph
- discharge from the pressure regulator: ~15 gph
(engine off, pump running.)

This last leads me to believe that the pump and regulator are probably
OK: if there's any discharge from the regulator, the pump must be
achieving the regulator pressure. Any opinions appreciated.

(Car woke up dead one morning - cranks, but won't start.)

Thanks,
George

Got spark, got injector pulse, will it start with starting fluid, basic
diagnostics.
"George" > wrote in message
...
> ('99 Cavalier 2.2, port-injected.)
>
> This particular car doesn't appear to have a tap on the fuel rail where
> a pressure gauge could be attached. The Chevy book calls for a J29658,
> which lets you insert a tapped line at the quick-disconnect. This may
> be a whole 'pressure kit', or something - Kent-Moore said that their
> price for it is $336.
>
> All that I need is something that can go in-line where the
> quick-disconnect connects to the rail. So far, I haven't found anything
> to do that. Any ideas would be appreciated.
>
> Alternatively, I measured the following ...
> - pump pressure with the line plugged : ~65 psi
> - pump flow with the fuel line open : ~45 gph
> - discharge from the pressure regulator: ~15 gph
> (engine off, pump running.)
>
> This last leads me to believe that the pump and regulator are probably
> OK: if there's any discharge from the regulator, the pump must be
> achieving the regulator pressure. Any opinions appreciated.
>
> (Car woke up dead one morning - cranks, but won't start.)
>
> Thanks,
> George
>



----== Posted via Newsfeeds.Com - Unlimited-Unrestricted-Secure Usenet News==----
http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups
----= East and West-Coast Server Farms - Total Privacy via Encryption =----

On Wed, 14 Jun 2006 11:35:00 -0400, "Shep" > wrote:

>Got spark, got injector pulse, will it start with starting fluid, basic
>diagnostics.

Well, I thought the injectors were OK, because it does catch sometimes.
But, looking at the drive with a scope, it looks like the pulses stop -
they're there, and then they're not. Is this possible?

George


>"George" > wrote in message
.. .
>> ('99 Cavalier 2.2, port-injected.)
>>
>> This particular car doesn't appear to have a tap on the fuel rail where
>> a pressure gauge could be attached. The Chevy book calls for a J29658,
>> which lets you insert a tapped line at the quick-disconnect. This may
>> be a whole 'pressure kit', or something - Kent-Moore said that their
>> price for it is $336.
>>
>> All that I need is something that can go in-line where the
>> quick-disconnect connects to the rail. So far, I haven't found anything
>> to do that. Any ideas would be appreciated.
>>
>> Alternatively, I measured the following ...
>> - pump pressure with the line plugged : ~65 psi
>> - pump flow with the fuel line open : ~45 gph
>> - discharge from the pressure regulator: ~15 gph
>> (engine off, pump running.)
>>
>> This last leads me to believe that the pump and regulator are probably
>> OK: if there's any discharge from the regulator, the pump must be
>> achieving the regulator pressure. Any opinions appreciated.
>>
>> (Car woke up dead one morning - cranks, but won't start.)
>>
>> Thanks,
>> George
>>
>
>
>
>----== Posted via Newsfeeds.Com - Unlimited-Unrestricted-Secure Usenet News==----
>http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups
>----= East and West-Coast Server Farms - Total Privacy via Encryption =----