C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

starts then dies?

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Old Jun 16, 2005 | 06:25 PM
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OK, so im new to vetting so if you suggest something youll have to tell me at least where to start.Ive had the vet for about three weeks ran fine except for stumbling between 5 and 8 hundred rpms when stopped and in gear, so im driving it today and i stop at a friends and turn it off when i try and start it it fires right up then dies, i can keep it running if i give it gas but it sputter and sounds like its missing, also souds like im getting a back fire when i try and keep it running, please help oh yea the backfire sounds comin from the drivers side.
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Old Jun 16, 2005 | 07:59 PM
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Year of vehicle?
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Old Jun 16, 2005 | 08:06 PM
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86 tpi 350---- ok so i did a little research, i disconnected maf and started it. that worked its idleing on its own now but its rough, so can i rebuild it or is a new one the only way to go and what else should i replace or check?
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Old Jun 16, 2005 | 09:06 PM
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Originally Posted by sick-punk
86 tpi 350---- ok so i did a little research, i disconnected maf and started it. that worked its idleing on its own now but its rough, so can i rebuild it or is a new one the only way to go and what else should i replace or check?
Start by replacing your MAF power and burn off relays before the MAF
2 realys at $14 ea, 1 MAF at $150 (for rebuilt, can't do yourself)
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Old Jun 16, 2005 | 09:13 PM
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thx, where are these relays located, i dont have a helms yet
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Old Jun 16, 2005 | 10:40 PM
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you know....I'm not sure where they are...my car is kind of a one off. Look for 3 large squares with wires going into the bottom. They are the fuel pump relay, MAF power & MAF burnoff. I think they should be on the driver side near the rear of the engine compartment.
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Old Jun 16, 2005 | 11:17 PM
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thx man ill check tomorrow after work...
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Old Jun 17, 2005 | 04:06 PM
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hey does any body know where the maf relays are located
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Old Jun 18, 2005 | 02:09 AM
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Originally Posted by sick-punk
hey does any body know where the maf relays are located
By the battery
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Old Jun 18, 2005 | 12:25 PM
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thats the same on a 86 l98, cool thx man.
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