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tbi problems

 
Vegasmikek Vegasmikek
New User | Posts: 2 | Joined: 03/08
Posted: 03/17/08
08:51 PM

Hi everyone.I know that my vehicle at the moment is no hp king but i couldnt think of a better place to ask for help.I have a 90 silverado with the 350 tbi.My problem is it surges at idle and at part throttle it pops and acts like it's going to stall,But at just off idle and at wot it runs fine.It is completely baffling to me but i'm not as technicaly advanced as some.I thought it was a fuel delivery problem but the it doesn't do it at all in the garage when i rev it up.So i changed the fuel filter to no avail.And i bought a electronic spark control module.Didn't fix it.The truck had a newer engine when i bought it and it ran great up untill a month ago.ANY help would be greatly appreciated.Thanks.  

 
ojj1 ojj1
New User | Posts: 1 | Joined: 04/08
Posted: 04/20/08
12:13 AM

i have same problem starting? What did you do to fix it?  

 
buellxb12 buellxb12
New User | Posts: 1 | Joined: 09/08
Posted: 09/09/08
03:39 PM

I have one at the moment that is doing the same thing.  It acts like it leans out under a load over 1500rpms.  Does anyone know what it going on?  

 
mpayne mpayne
Enthusiast | Posts: 263 | Joined: 10/07
Posted: 09/10/08
02:32 PM

This sounds like a common problem with chevy trucks for some reason, does anyone have any suggestions on what be causing the problem?