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Hard Start and Idle until warm '91 G20 #726298
July 31st 2017 5:48 pm
July 31st 2017 5:48 pm
Joined: Jul 2017
Posts: 2
BC
V
vanarama Offline OP
stranger
vanarama  Offline OP
stranger
V
Joined: Jul 2017
Posts: 2
BC
Hi,

First post on the forum here, so I don't know whether this has been answered before and I just can't seem to find it. That being said, I just picked up a '91 305 tbi G20 a couple weeks ago and I drove it home about 40 mins and to work the next couple days and it runs great once it's warm but has a really tough time starting and I need to feather the gas for aprox. 3-5 mins until it will idle by itself and is ready to drive.

Now, it's a little worse than when I got it but still got it to fire up today. I've done some research and I'm thinking it might be a bad fuel pump or the lines as starter fluid really helps it fire. I don't really want to replace the fuel pump and have it not be the main problem, so any suggestions on what else it could be or just general advice on what I should do?

Also, I checked the error codes and don't seem to have any, and all the spark plugs are new and the wires look good.

Cheers


'91 Chevy G20 305 V8
Re: Hard Start and Idle until warm '91 G20 [Re: vanarama] #726305
July 31st 2017 6:13 pm
July 31st 2017 6:13 pm
Joined: Jun 2010
Posts: 12,972
Van Diego California
frscke1 Offline
frscke1  Offline

Joined: Jun 2010
Posts: 12,972
Van Diego California
Welcome to the site ....

If it is a fuel problem there is a fuel filter on the passenger wall by the gas tank, check may be a cheep fix.

Again welcome ...


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'93 CHEVY G30 454 4X4 SPORTVAN EXT 146" WB
'92 CHEVY G30 454 BEAUVILLE EXT 146" WB
Re: Hard Start and Idle until warm '91 G20 [Re: frscke1] #726306
July 31st 2017 6:40 pm
July 31st 2017 6:40 pm
Joined: Jul 2017
Posts: 2
BC
V
vanarama Offline OP
stranger
vanarama  Offline OP
stranger
V
Joined: Jul 2017
Posts: 2
BC
Thanks, I'll keep you posted and check the fuel filter (changing if necessary).


'91 Chevy G20 305 V8
Re: Hard Start and Idle until warm '91 G20 [Re: vanarama] #726309
July 31st 2017 7:17 pm
July 31st 2017 7:17 pm
Joined: Jan 2001
Posts: 1,923
Kellettville, PA
M
Meanmachine Offline
veteran
Meanmachine  Offline
veteran
M
Joined: Jan 2001
Posts: 1,923
Kellettville, PA
Check throttle body gasket for a leak and the idle control valve may need cleaned.


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