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Chevy S10 - GMC S15 and Sonoma Stalling/Dying issues

168 messages,  Last post on Nov 02, 2009 at 11:36 AM

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#70 of 168 Re: 97 s-10 cutting out at constant speed...HELP [taewa] by hoodlatch Jan 19, 2007 (7:05 pm)
Replying to: taewa (Jan 19, 2007 4:56 pm) Have you change locations where you fuel up lately? Maybe your getting some bad fuel. Before you spend alot of bucks on parts and repairs you might try a bottle of injector cleaner to see if it helps any. Good luck Replies to this message: taewa (Jan 20, 2007 9:03 am) wmcksmith (Mar 25, 2007 9:17 am)
#71 of 168 Re: 97 s-10 cutting out at constant speed...HELP [hoodlatch] by taewa Jan 20, 2007 (9:03 am)
Replying to: hoodlatch (Jan 19, 2007 7:05 pm) The problem has been persistent for a couple of months now. I don't think it is the type of gas, as I always get 87 octane, and I fill up at different spots all the time. Maybe I'll try a bottle of the injector cleaner, but I don't read very many strong "testimonials" of that type of product. Anyone out there seen it make a big difference? I am going to check out Haynes manual today and see if I can't figure something out with fuel system as well. Replies to this message: wmcksmith (Mar 25, 2007 9:17 am)
#72 of 168 Re: 97 s-10 cutting out at constant speed...HELP [taewa] by wmcksmith Mar 25, 2007 (9:17 am)
Replying to: taewa (Jan 20, 2007 9:03 am) I have a 2003 s10 and i have found that putting higher octane gas in my truck will stop some vibrating. I would also suggest a good injecter cleaner (Lucas)
#73 of 168 Re: 97 s-10 cutting out at constant speed...HELP [taewa] by mschul Apr 19, 2007 (8:43 am)
Replying to: taewa (Jan 19, 2007 4:56 pm) More then likely your problem is your catalytic converter. the baffling inside has come loose and causes the rattling and then causes the cat to clog... I had this same problem...what i did was just take the CAT off and break all the baffling up and make it a straight pipe basically. I dont recommend this to everyone due to emmissions checks in some states like california, but i am in texas where it isnt checked. Some people also says its gives a little better horse power boost aswell as better gas mileage. but your problem is your CAT. Replies to this message: taewa (Apr 19, 2007 5:25 pm)
#74 of 168 Re: 97 s-10 cutting out at constant speed...HELP [mschul] by taewa Apr 19, 2007 (5:25 pm)
Replying to: mschul (Apr 19, 2007 8:43 am) Thanks for the suggestion. I have the same suspicion, as my friend and I were banging on the CAT, and we could hear it moving around. We thought about removing it, but wouldn't that set off the rear O-2 sensor or any other kind of computer check?
#76 of 168 cutting out by wookie1 Jul 25, 2007 (10:35 am)
Replies to this message: reddawg1 (Nov 15, 2007 1:32 pm) keltecbob (Nov 16, 2007 2:52 pm)
#77 of 168 cutting out by wookie1 Jul 25, 2007 (10:35 am)
i have a 96 s10 with a 4.3L engine i just replaced the map sensor the problem i have is when i try driving it the engine starts cutting out bad but runs great at an idle i can unplug the map sensor and drive it anywhere without any problems and when i plug the map sensor in and unplug the oxygen sensor it has to warm up before it runs ok it starts cutting out bad until it's warm the first time i had a problem it was the harness that plugs into the intake but thats no longer the issue. anyone have any suggestions on what is causing my problems? would apriciate any help Replies to this message: hoodlatch (Aug 09, 2007 6:27 am)
#78 of 168 2003 s10 fuel pump/cat problems by badluckwiths10 Aug 08, 2007 (8:58 am)
fuel pump going bad replaced fuel filter didn't help can't find a price in town all over $300 please help find better price also my cat is going bad would like to straight pipe it but it has an o2 sensor after it how can i trick the o2 sensor into thinking it is reading properly oh yeah 4.3L vortec
#79 of 168 Re: cutting out [wookie1] by hoodlatch Aug 09, 2007 (6:27 am)
Replying to: wookie1 (Jul 25, 2007 10:35 am) Did you check the plastic hose that goes to the MAP? It may be cracked or plugged. Or the nipple where it plugs in may be stopped up.   What kind of code reading did it give? When you clear the code does the same code come back?   As to it running better when you unplug the sensor, I've read on some cars the E CC can go to a default mode when the sensor is taken out or goes out, like an O2 sensor for example.   At risk of being redundant, one of the first signs of a bad coil is it starts bucking when the engine labors on a long pull like going up a steep grade.   Good luck

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