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Pickups Chevrolet S-10 & GMC S15 Sonoma Chevy S10 - GMC S15 and Sonoma Starting problems
193 messages, Last post on Oct 31, 2009 at 3:41 PM
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My 00 Sonoma will not start when the tank goes to 1/2. I can drive it, but it will not start up. When I fill it up it only takes about 10 gal, letting me know that the sender is ok. I havent changed the fuel filter at all in 81K mi. The truck is a flex fuel E85 model, but only run regular gasoline. Where should I start? Could low fuel PSI cause this problem? Thanks!
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Replying to: mikeg11 (Dec 07, 2006 7:25 am) Ok here is an off the wall thought. Will it Start when the tank is Below 1/2 full ??? I'm wondering if the pick up tube in the tank has a very tiny hole in it... once the fuel gets below the line it starts to suck air. If running it may just send some small amount of air into the gas system. If the engine/fuel pump stops - the fuel eventuall leaks our of the suction hole and when re- started, the pump can not suck fuel (Lost it's prime)... Let us know what the solution is when you find it ... |
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| I cannot for the life of me find the starter in my 2000 Chevy S-10 its an automatic with a 2.2 Liter engine. We were told it was behind the passenger front tire but after looking top and bottom we wern't able to find it. I have my replacement Starter already but I havn't had to deal wiht the starter before. can you help me figure out where it is? | |
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Replying to: adrian10 (May 11, 2007 11:14 am) 1990 S10 4x4 4.3litre. Turned key on ... fuel pump ran. Engaged starter, engine turned fine, didn't catch. Turned key off and back on ... fuel pump ran. Hit gas pedal, turned engine over ... engine ran well for about 3 seconds then stopped dead. Turned key off and back on ... no fuel pump running. Connected a jumper straight to the fuel pump ... pump ran. Turned engine over ... no run. Added ether ... it ran as long as the ether lasted. With jumper, checked gas pressure at tank outlet (good), and at throttle body (good). Changed air valve assembly (with injectors) for a spare ... no difference, and engine still runs fine on ether. It seems that the fuel pump and the injectors are not getting any electricity. Is there a particular sensor that would govern that? Would that kind of sensor show up on a code reader? Thanks. |
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I had the similar problem, started last may, tried to fix since this without results but yesterday, I tried a new distributor module ... looks like it solved the problem !! I will tried to start it for a certain period to verify that, even cold starting than hot starting, but it seems to be ok !!!
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| I have a 1997 GMC Sonoma with the 4.3L Vortec V6. Owned it for about two years with no problems (180 000kms). About 2 months ago, I went to start it in the morning to go to work and it wouldn't go. It would turn over but not start. After about half an hour of screwing around, adding starter fluid etc., it finally went. Ran rough for a few minutes, but then fine all day. Replaced all the filters that night as they were due to be changed. A few days later, same thing. No starter fluid this time, just alternated holding it floored and not, took about 10 minutes to start, ran rough for a while then fine. Replaced plugs, wires, cap and rotor. Ran fine for a week or so, then problem returned. This time I couldn't get it to go to save my life. I thought because it only happens in the morning that maybe condensation was the problem (it starts after sitting all day at work and it had rained heavily the night before). Checked all the electrical connections I could easily access and they all looked clean and dry. Plugged in the block heater and ran a hair drier on the distributor for half an hour, then it started first crank and ran great. Next time it happens I will only use the block heater and see if that works. Any ideas? It seems to me some sensor is telling it not to fire, but not sure. | |
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I Have a 1999 Chevy S10 4.3 Vortec. I am having a problem starting the truck when it sits for a while. It will crank over for several minutes. Once it starts and i run it, it will start all day with no issues. It only happens when it sits over night. The fuel pump turns on and has been replaced. The plugs, wires, and cap all have been done. Tried a new battery. Had hours of diagnostics done and have gotten nowhere. I just dont get why it is only when it sits. Its driving me crazy. Any Ideas? |
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Replying to: nitrate (Oct 10, 2007 4:32 pm) |
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