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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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#2 of 168 1988 S-10 Starts and Dies by sjowett May 29, 2006 (3:58 am)
I have a 1988 S-10 with a 2.8L V-6 Carb body fuel injection. The vehicle starts every time and will run from a few seconds to sometimes up to 15-20 minutes. Then it just dies like you turned the key off. I have replaced the fuel pump, filters, fuel pump relay, done a check of all vacumn lines, checked all electrical connections to the distributor, coil carb etc., to ensure they are properly seated. Now I am at a loss, not sure where to look next. Any suggestions would be appreciated. Thanks, Steve J. Replies to this message: dthesman (Jan 04, 2007 7:10 pm) dallasman999 (Jul 22, 2008 8:16 pm)
#3 of 168 Re: S10 1995 2.2 JUST DIE / pls help [s100614] by kreepin97 May 31, 2006 (3:48 am)
Replying to: s100614 (Mar 15, 2006 4:44 am) Think it might have jumped timing? It is pooible... Replies to this message: philscbx (Nov 13, 2007 7:48 am)
#4 of 168 Chevy 1997 S10 Just Died by bronxcats Jun 02, 2006 (4:58 am)
My Chevy 1997 S10, 38,000 miles just died. My mechanic said that he charged the battery and put in a new alternator and got it to run just to move it into his garage then it dies again. It is so dead, that none of the lights work, nothing. He thinks it might be an electrical short, but cannot trace it without an electrical diagram/schematic of the starting system. Where can I get a free download of this diagram/schematic? He is stumped and I have no truck? Replies to this message: bronxcats (Jun 02, 2006 5:09 am) noxmartyr (Jul 07, 2009 12:18 pm)
#5 of 168 Re: Chevy 1997 S10 Just Died [bronxcats] by bronxcats Jun 02, 2006 (5:09 am)
Replying to: bronxcats (Jun 02, 2006 4:58 am) My mechanic just called. He found the problem. A wire going to the ignition switch was rubbing and shorted out. It must have been inserted incorrectly to allow it to rub for 9 years before it wore out and shorted out.
#6 of 168 Re: S10 1995 2.2 JUST DIE / pls help [s100614] by tsavage Jun 12, 2006 (7:32 am)
Replying to: s100614 (Mar 15, 2006 4:44 am) I have a 1989 S10 that's doing the same thing as the initial problem. I have replaced the fuel filter (even though I did not think it was a problem) and the problems still exists. When driving sometimes (very sporadically) the engine will just stop running. Every now and then I will receive signs that it's going to stop soon by occasional hesitation. When it does cut off, if I let the vehicle set for about 10 minutes, I am able to restart and drive for sometimes days before the problem happens again. I thought that maybe I have trash in the fuel tank that may be blocking the inlet sometimes but I am not sure. I do not believe the problem is with the ignition system at all. When the vehicle shuts off, I can pour a little fuel in the carburetor and it starts right up; no hesitation and I can drive for an unpredictable amount time again. Please help...
#7 of 168 Re: S10 1995 2.2 JUST DIE / pls help [s100614] by vikan Jul 09, 2006 (8:13 am)
Replying to: s100614 (Mar 15, 2006 4:44 am) I've got a 1995 Sonoma with the 2.2 and it suddenly quit while I was driving on the interstate at about 70 mph. I got it home via AAA and found I had plenty of fuel pump pressure as well as spark. I had ZERO compression and came to the conclusion that I had a broken timing chain.   Yesterday, I tore it down and my suspicion was correct. The broken chain sat at the bottom of the timing cover. I replaced the set as well as the tensioner.   I started it up and it ran except it ran terribly. It's like the engine timing is severely retarded. I am suspecting that I am out of time by 180 degrees. My chiltons book did not tell me how to go about replacing a "broken" chain. It only has instructions on how to "replace" a chain which would mean the timing marks would be correct once you got the timing cover off and looked at it. I can't find any information on how to re-establish timing for this engine. It is distributor-less so I am stumped.   If you are attempting to replace the timing gear/chain set, let me know and I'll send you some tips on what I've learned during the tear down of the front side of this motor.   vi-kan Replies to this message: hoodlatch (Jul 14, 2006 5:45 am) vikan (Jul 16, 2006 4:29 pm) hoodlatch (Jul 20, 2006 6:10 am) and 5 more... chacon64 (Jul 16, 2006 12:42 pm) vikan (Jul 16, 2006 4:31 pm) s100614 (Feb 10, 2007 1:39 pm) vikan (Feb 10, 2007 4:07 pm)
#8 of 168 Re: S10 1995 2.2 JUST DIE / pls help [vikan] by hoodlatch Jul 14, 2006 (5:45 am)
Replying to: vikan (Jul 09, 2006 8:13 am) I haven't replaced timing chain/gears on a distributerless engines yet but I would guess the computer system would compensate. In your description a couple of things comes to mind. Were the alignment dots on crank gear and cam gear matched up? Also some engines have zero clearance between piston top and valves. In the past I've bent exhaust valves and push rods when the timing chain jumped. You might run a compression check for peace of mind. Good luck. Replies to this message: vikan (Jul 16, 2006 4:29 pm) hoodlatch (Jul 20, 2006 6:10 am) vikan (Jul 22, 2006 7:20 pm) and 4 more...
#9 of 168 Re: S10 1995 2.2 JUST DIE / pls help [vikan] by chacon64 Jul 16, 2006 (12:42 pm)
Replying to: vikan (Jul 09, 2006 8:13 am) Hello:Would you please help me with this,i am re-building a 2.2 lt from my 1995 chevrolet s10,and i don´t know where to find the timing marks?. I bought the truck with a dissembled engine,also i am a mechanic. I live in chile,please send me some of your tips?   Thank you. Rodrigo. Replies to this message: vikan (Jul 16, 2006 4:31 pm)
#10 of 168 Re: S10 1995 2.2 JUST DIE / pls help [hoodlatch] by vikan Jul 16, 2006 (4:29 pm)
Replying to: hoodlatch (Jul 14, 2006 5:45 am) Yes, I did ensure the timing marks on the camshaft gear and crank gear were aligned with the marks that so happen to be on the tensioner itself. Since the post, I have pulled the timing cover off and rechecked that to make sure. Then, for the sake of curiosity to see if I was out of time 180 degrees, I lined up the marks on the gears, then turned the crank one complete turn, which put the cam gear at one half turn OFF the mark, pulled the gear and chain off and realigned the camshaft so my camshaft gear would be properly aligned once again with the crank and reassembled everything. It started up and ran the exact same way....like hell. SO, I ended doing a compression check and found that cylinders 3 and 4 were zero. I called the local chevy dealer and they said that the 2.2 is NOT an interference engine, however, there have been incidences where there have been contact between pistons and valves. I think it was because i was rolling along at 65 mph. I just got the head back from the machine shop with a full valve job. They replaced 4 bent valves on cylinders 3 and 4.     I have never done a timing chain or belt on a distributorless engine. It's weird not being able to see which cylinder my distributor is supposedly firing on.   Any tips on this?   thanks, vi-kan Replies to this message: hoodlatch (Jul 20, 2006 6:10 am) vikan (Jul 22, 2006 7:20 pm) hoodlatch (Jul 24, 2006 1:25 pm) and 3 more...
#11 of 168 Re: S10 1995 2.2 JUST DIE / pls help [chacon64] by vikan Jul 16, 2006 (4:31 pm)
Replying to: chacon64 (Jul 16, 2006 12:42 pm) Your timing on the 2.2 according to the Chiltons manual is not adjustable because it is computer controlled. No timing adjustment is necessary or possible.   vi-kan

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