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79 G20 350 Starts and immediately dies. #730162
November 30th 2017 1:30 pm
November 30th 2017 1:30 pm
Joined: Feb 2017
Posts: 27
Texas
D
DHope79 Offline OP
newbie
DHope79  Offline OP
newbie
D
Joined: Feb 2017
Posts: 27
Texas
this only happens after the van has sit over night. i will go out to start it and it will bust right off and then die. sometimes it may run after three or four tries, other times i will give up after 20 or so, come back in ten minutes and it starts right up. i have replaced the fuel filter, seemed to not happen for a few days after that, but could have been coincidence.

Fuel Pump? why would it only do it on a cold start.

electrical issue? why only on cold start?

Re: 79 G20 350 Starts and immediately dies. [Re: DHope79] #730163
November 30th 2017 1:37 pm
November 30th 2017 1:37 pm
Joined: Feb 2016
Posts: 93
Los Angeles, CA USA
D
Deathorvictory Offline
journeyman
Deathorvictory  Offline
journeyman
D
Joined: Feb 2016
Posts: 93
Los Angeles, CA USA
Need a bit more info on what set up you're running under the hood besides your 350. Whats the condition of your carburetor? Does your choke work properly?


1973 Chevy G20 Long wheel base - Currently for sale in LA
1979 Dodge B200 Shorty
Re: 79 G20 350 Starts and immediately dies. [Re: DHope79] #730168
November 30th 2017 3:24 pm
November 30th 2017 3:24 pm
Joined: Feb 2017
Posts: 27
Texas
D
DHope79 Offline OP
newbie
DHope79  Offline OP
newbie
D
Joined: Feb 2017
Posts: 27
Texas
Pretty new Carter carb, It does have electric choke that is questionable..

Re: 79 G20 350 Starts and immediately dies. [Re: DHope79] #730177
November 30th 2017 5:54 pm
November 30th 2017 5:54 pm
Joined: Feb 2016
Posts: 93
Los Angeles, CA USA
D
Deathorvictory Offline
journeyman
Deathorvictory  Offline
journeyman
D
Joined: Feb 2016
Posts: 93
Los Angeles, CA USA
Carb should be good then. I'd look at the choke for sure.


1973 Chevy G20 Long wheel base - Currently for sale in LA
1979 Dodge B200 Shorty
Re: 79 G20 350 Starts and immediately dies. [Re: DHope79] #730181
November 30th 2017 7:26 pm
November 30th 2017 7:26 pm
Joined: Apr 2011
Posts: 16
Philadelphia, PA
T
thejake Offline
stranger
thejake  Offline
stranger
T
Joined: Apr 2011
Posts: 16
Philadelphia, PA
I have the same problem with my 78. I’ll have to keep an eye on this


78 Chevy G20
Re: 79 G20 350 Starts and immediately dies. [Re: DHope79] #730183
November 30th 2017 7:33 pm
November 30th 2017 7:33 pm
Joined: Oct 2017
Posts: 269
Virginia
L
Lettercraft Offline
enthusiast
Lettercraft  Offline
enthusiast
L
Joined: Oct 2017
Posts: 269
Virginia
Join the club.

The new 406 came with an edlebrock 750 manual choke.
I've been playing with it for a week.

Going to replace it with a 650 cfm.
Until i have more of a cam and headers, it's drowning in gas.

Hope you figure it out.

Re: 79 G20 350 Starts and immediately dies. [Re: DHope79] #730193
November 30th 2017 8:56 pm
November 30th 2017 8:56 pm
Joined: Nov 2013
Posts: 2,743
Michigan
Dyno_Dave Offline
veteran
Dyno_Dave  Offline
veteran
Joined: Nov 2013
Posts: 2,743
Michigan
Which Carter? A ThermoQuad?

Re: 79 G20 350 Starts and immediately dies. [Re: DHope79] #730207
December 01st 2017 4:27 am
December 01st 2017 4:27 am
Joined: Dec 2017
Posts: 1
Buffalo Minnesota
W
Wildvanner Offline
stranger
Wildvanner  Offline
stranger
W
Joined: Dec 2017
Posts: 1
Buffalo Minnesota
Hello there
I had the same problem and I have your answer to what your looking for
I had the exact same thing go wrong with my 91 G20
I replaced every single thing from a fuel pump, fuel filter,computer,cfm only to find out it was something so simple under the hood
The fuel pump relay is under the hood on the positive side it was corroded and that there wasn't enough power getting to the relay after 30 seconds the relay would power off it would die out you could count to 30 and poof die out guarantee
Hope this helps ya out
Sincerely
Steve O in Minnesota

Re: 79 G20 350 Starts and immediately dies. [Re: DHope79] #730209
December 01st 2017 10:31 am
December 01st 2017 10:31 am
Joined: Jan 2010
Posts: 31
McKinney, TX
TexasATeam Offline
newbie
TexasATeam  Offline
newbie
Joined: Jan 2010
Posts: 31
McKinney, TX
Great insight and thanks for sharing. I see that was your first post too... welcome to the site!

I hate electrical gremlins but those are some of the most satisfying to fix.

Re: 79 G20 350 Starts and immediately dies. [Re: DHope79] #730211
December 01st 2017 11:27 am
December 01st 2017 11:27 am
Joined: Jun 2010
Posts: 13,711
Van Diego California
frscke1 Offline
frscke1  Offline

Joined: Jun 2010
Posts: 13,711
Van Diego California
Welcome to the site Wildvanner ...


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