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#1
06-14-2009, 01:40 AM
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1993 s-10 blazer 4.3 cpi...another one with fuel problems?
I bought the truck the other day for cheap. the guy said it aint ran in over a year. first thing i did was check to see if i got spark and fuel pressure (just pokin valve not with a guage). both where good. I poured gas down intake and it ran for a second or 2. pulled top of intake and checked the spider out. seems the solenoid wasnt getting a ground so i made one and it sprayed out all the injectors like a champ. put it all back together. and nothing. tried to pour more gas and would not even sputter. check spark again and was still good. any ideas that would help?
thx 
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#2
06-17-2009, 06:41 PM
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Re: 1993 s-10 blazer 4.3 cpi...another one with fuel problems?
you may have flooded it pouring gas in it. were the plugs wet?
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95 jimmy. Vortec V6. 4.3 liter CPI. ,2.5" catco cat, 2.5" cat back with flowmaster muffler split rear., 40 street series, 2 12" audiobahns in custom box,K&N CPI intake system. 71 Mustang coupe- project car. stock 302 with Cobra intake, holley 650dp, afco racing radiator, headman headers, msd distributor, 2.5" from the headers.C4 tranny with shift kit, Mach 1 body lay out. 90 cav, 2.2 tbi, gas getter. 99 chevy s10 zr2, 6" lift, duel exhaust. 5 speed.
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#3
06-18-2009, 12:58 AM
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Re: 1993 s-10 blazer 4.3 cpi...another one with fuel problems?
i pulled all plugs after not messing with it for a day or two and they were dry and still wouldnt do anything but im just saying screw it and put a carb on it and call it a day. the only purpose i got the thing was a offroad toy so fuel milage and all that stuff dont matter and where im at its just mud not anything steep so i dont worry about the carb on a hill cutting out
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#4
06-18-2009, 06:21 AM
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Re: 1993 s-10 blazer 4.3 cpi...another one with fuel problems?
A helluva alot easier and probably cheaper to fix the current problem. Get someone with a proper OBD II scanner to look at it and if it has 60PSI+ of fuel pressure then the pump is probably good. DO a proper fuel pressure test as well. You will be doing a ton of work swapping it over to a carb and I doubt it will ever run right if at all.
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