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Pickups Chevrolet S-10 & GMC S15 Sonoma Chevy S10 - GMC S15 and Sonoma Starting problems
195 messages, Last post on Nov 20, 2009 at 8:21 AM
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I have a 1995 Chevy s-10 with a 2.2 4 cylinder that won't start until I poor fuel into the throttle body and it stays running after that. Fuel pressure while cranking is 42 and goes to 45 on start up. While it is running the brake light is on and it idles at half throttle. All ideas are appreciated. |
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I had the same problem with my 92 GMC Sonoma.I changed the fuel pump and it fixed it.Should be around 55 to 60 pds.of pressure when starting.As far as your brake light it may be a sign one pad is worn.Dont know about the idle problem tho.Hope that helps.
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Replying to: tomyg (Apr 09, 2008 7:43 am) Thanks |
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So I went out to start my truck the other day, and it cranked over and started but immediatly died. Tried a few other times and nothing, so I had it towed home.... yeah im a do it yourself-er. Then I noticed my gauges also werent working, and only the battery light came on, no service engine soon etc. So I replaced the alternator, thinking maybe the stereo drained it, didnt do the trick. Well I gave up for the night, and got back on it the next day, literally did nothing and for some reason it fired right up and i drove it around to make sure it was ok. Brought it back home turned it off, started it again, with no problems. Well today when I went out to start it, back at square one..... only this time, when the fuel pump whined it made a hideous noise like sucking air from either under the hood or the pump itself.... maybe both.... but if it was just the fuel pump.... the gauges would still be working and I am at my whits end..... anyone have any advice? tips? thanks in advance 
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I have a 95 s-10 2.2 4cyl, always ran fine. The other day out of the blue, the engine died, for no aparent reason. Now it won't start, checked all the easy stuff, spins over fine but no start. Has good batt, alt, and all gauges seems to be normal. Didn't find any blown fuses, what to do next...niterider
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Replying to: stiffstick (Apr 28, 2008 11:13 pm) |
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My dad parked his 02 Sonoma after it ran fine. Tried to crank it that night, and it would turn over but refused to crank. Today I checked with a spark tester and we were getting the light on when the plug would fire, but it seemed somewhat dim (maybe just me, can't recall how bright it should be). Checked fuel pump...had good pressure. Chjecked fuel filter and seemed clogged/restrictive. Bought another one, still won't crank. Checked exhaust...no problems there. Crazy thing is while it's turning over, it seems every now and then to 'bog' like something's mechanically holding the crankshaft back.....then releases and bogs again. Even with my Ranger next to it running with jumper cables keeping his battery up. We finally tried cranking it so much that smoke rolled out of the starter motor. My question is.....is it the starter doing all this, or did we maybe burn the starter up due to an underlying problem? We took Serp belt off and checked all pulleys and turned motor over with just the crank being turned and it still bogs. Anyone got any ideas?............it'll be Monday or so before he gets the new starter. I just wonder what it could be if it still won't crank. Thanks.  ?
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Pressure is right at 60psi. Strange, everything checks out......yet when it's turning over periodically it stops for a sec, then turns over repeatedly again. I can't figure out what's causing the occassional snag. We removed the serpentine and tried and got the same thing. All other pulleys were like new. Crank and starter going it alone and still something acted like it was trying to stop it. I'm kinda lost on this deal........ 
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| I have tried for about 4 weeks to get my 1991 sonoma 2.5 going. I lent it to a friend who ran it out of gas. It 's fuel injected so I was not happy to hear that this happened. I have pulled the distributor changed the ignition module, throttle position sensor, O 2 sensor, fuel injector, checked all fuel lines. The only thing left is the fuel pump which is only 1 year old I just put it in. Can it lose pressure from being run out of gas? I put more than 1/2 a tank in to make sure that was not the problem. And if some one pours gas on the fuel injector it will run long enough to burn the gas they pour on it. Help I am at my wits end. And out of money!!!!!!!! | |
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Any more ideas?..............Anyone?...........I'm lost too
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