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[GMCnet] Re: EFI and Electronic Ignition Initial Start Up Questions [message #367952 is a reply to message #367887] Sat, 11 December 2021 13:52 Go to previous messageGo to previous message
jimk is currently offline  jimk   United States
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma:
Senior Member
On Sat, Dec 11, 2021 at 11:52 AM Jim Kanomata wrote:

> dDont worry about the pressure now.
> make the injectors pulse .
> The pressure of 30 is at the entrance, the built in regulator gets it down
> to around 12 .
> Make sure the tack sensor is tied in, otherwise no pulse of injectors.
>
> On Sat, Dec 11, 2021 at 11:45 AM wrote:
>
>> Guys,
>>
>> More mental puzzle for those in the know.
>>
>> I got good spark. Switched Distributor cap and coil.
>>
>> Fuel pump came on pegged fuel pressure gauge at 30 pounds. No fuel
>> through injectors. Engine runs when fuel is poured in throttle body.
>>
>> I cracked a fuel line at the gauge to see if I was in fact getting
>> pressure. Yes I am, but don't know how much as the gauge is now toast and
>> remains
>> pegged at 30 pounds.
>>
>> Some where I read about physically tapping the injectors with a wooden
>> screw driver. Any tips from this point are welcome.
>>
>> Spark is no problem, Pump sounds and pressure seems to exist. When the
>> engine quits I hear a squeal from around the throttle body?
>>
>> Should I take an electric reading at each injector connector while
>> cranking? Also crack the supply line at the throttle body to check for fuel?
>>
>> I think I am down to a simple fuel issue at the throttle body. I have no
>> way to measure fuel pressure at this time.
>>
>> Thanks,
>> Tom
>> --
>> Tom & Oki Katzenberger,
>> Kingsville, Maryland,
>> 1977 23' Birchaven, 455 C.I.D.
>> _______________________________________________
>> GMCnet mailing list
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>
>
> --
> Jim Kanomata ASE
> Applied/GMC, Newark,CA
> jimk@appliedairfilters.com
> http://www.gmcrvparts.com
> 1-800-752-7502
>


--
Jim Kanomata ASE
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.gmcrvparts.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502

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