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Pickups Chevrolet S-10 & GMC S15 Sonoma Chevy S10 - GMC S15 and Sonoma Engine and Underhood Issues
315 messages, Last post on Aug 26, 2008 at 7:14 PM
You are in the Chevrolet S-10 & GMC S15 Sonoma Forum. Your Host is kcram
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Hi, New Member hoping you can help  I have a 2002 GMC Sonoma 4x4 SLS Crew Cab. It has the V6 ("W" vin) with Automatic Trans. I have recently begun to hear an oscillating whine, or buzzing sound, that seems to be coming from the distributor. It tends to only last between 15 seconds, to maybe a minute, and then goes away. I've heard it at startup most recently, but did hear it the other day after about 10 miles of city driving. I used a mechanics stethoscope while it was running, and the sound was the loudest when i put the probe on top of the dist. cap. Any ideas ? Distributor bearing going out maybe ? (Thanks) 
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i have a 1994 s10 with the 4cyl. it has a new motor and just today it is hard to start i have to crank it for a long time to get it started and have to hold the petal down to get it started it is a injected not a carb. when it does fire up it sputters real bad and puffs out alot of black smoke for a while then it idles fine until i press on the gas then it will sputter and puff more blacksmoke, then it will idle good but when i drive it every time i shift into a gear and push on the gas a little it sputters and puffs alot of black smoke im thinking fuel regulator or map sensor i need help it pissing me off  thankyou
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My girl friends mechanic told her she needs one of these for her 1993 4.3 s10 from what i was told it's a conection under the manifold that controls the injector pump.can't find any parts or anybody who really knows about a injector sub conector.any help on this would be nice.
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Replying to: goopster (Apr 20, 2008 4:03 pm)
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Replying to: gonogo (Apr 21, 2008 9:15 am)
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Replying to: goopster (Apr 21, 2008 6:12 pm) pulled the intake manifold off and found the 2 pin connector on the injector wasen't getting any contact,the pins looked tarnished cleaned them up and good to go.Gongo i found a lot off excess fuel around this connection my guess the heat and fuel tarnished the pins.Thanks
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what should the normal operating water temp be for a 1993 4.3L non vortec. i'm reading about 220 to 235 on my aftermarket guage and my mechanic told me it might just be the sending wire i have on it the is sending a warmer temp. but i think it is just running too hot
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Replying to: zbkeebler (Apr 24, 2008 7:51 pm)
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Replying to: mickeymouse2 (Apr 24, 2008 8:11 pm) |
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| i have a 93 sonoma with the non vortec 4.3L(z engine code) and i put a after market water temp gauge and a new sensor in and it is reading 220-235 and i'm not sure why its so hot. i changed the fan clutch and the thermostat and the waterpump is still good. one of my friends has the vortec engine in a 94 silverado and his runs about 195 and his sending wire is metal with the spiral type cover and i just have a typical electrical wire and he thinks that is the problem and it is just reading wrong but i dont think thats it and i am not sure if the non vortec is supposed to run hotter or what??? | |
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